Java Agent version 1.x

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1.52.0 - 2024/09/23

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Bug fixes
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  • Fix log4j2 log correlation with shaded application jar - #3764
  • Improve automatic span class name detection for Scala and nested/anonymous classes - #3746
Features
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  • Added experimental option to capture HTTP client request bodies for Apache Http Client v4 and v5, HttpUrlConnection and Spring WebClient - #3776, #3962, #3724, #3754, #3767
  • Agent health metrics now GA - #3802

1.51.0 - 2024/07/24

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Bug fixes
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  • Restore compatibility with Java 7 - #3657
  • Avoid ClassCastException and issue warning when trying to use otel span links - #3672
  • Avoid NullPointerException with runtime attach API and invalid map entries - #3712
  • Enhance invalid state JMX metrics handling - #3713
  • Skips using NOFOLLOW_LINKS file open option when running on z/OS as it’s unsupported there - #3722
Features
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  • Added option to make routing-key part of RabbitMQ transaction/span names - #3636
  • Added internal option for capturing request bodies for apache httpclient v4 - #3692
  • Added automatic module name to apm-agent-attach - #3743

1.50.0 - 2024/05/28

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Features
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  • Added support for correlating APM data with elastic universal profiling data - #3615, #3602, #3607, #3598
  • Excluded latest AppDynamics packages from instrumentation (com.cisco.mtagent.*) - #3632
Bug fixes
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  • Fixed edge case where inferred spans could cause cycles in the trace parent-child relationships, subsequently resulting in the UI crashing - #3588
  • Fix NPE in dropped spans statistics - #3590
  • Fix too small activation stack size for small transaction_max_spans values - #3643

1.49.0 - 2024/04/02

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Bug fixes
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  • Fixed problems with public API annotation inheritance - #3551
Features
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  • Differentiate Lambda URLs from API Gateway in AWS Lambda integration - #3417
  • Added lambda support for ELB triggers #3411
  • Add exclusion list option for calling DatabaseMetaData.getUserName - #3568

1.48.1 - 2024/03/06

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Bug fixes
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  • Avoid another case where we might touch application exceptions for safe_exceptions - #3553
  • More robust hostname detection on Windows - #3556

1.48.0 - 2024/03/05

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Features
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  • Bumped base alpine docker image version - #3524
  • Replace statement parser cache with an LRU cache to improve efficiency in certain cases #3492
Bug fixes
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  • Added missing support for TracerBuilder in OpenTelemetry bridge - #3535
  • Fixed some locations to not touch exceptions when safe_exception is configured - #3543
Potentially breaking changes
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  • The minimum supported OpenTelemetry version has been increased to 1.4.0 - #3535

1.47.1 - 2024/02/15

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Features
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  • Added internal safe_exceptions config option to workaround JVM bugs related to touching exceptions - #3528
Bug fixes
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  • Cleanup extra servlet request attribute used for Spring exception handler - #3527

1.47.0 - 2024/02/13

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Features
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  • Added a configuration option to use queues in names of spring-rabbit transactions - #3424
  • Add option to retry JMX metrics capture in case of exception - #3511
Bug fixes
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  • Add support to CLI attach download for new agent signature for 1.46.0+ - #3513

1.46.0 - 2024/01/29

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Features
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  • Added support for OpenTelementry Attributes db.statement and db.user - #3475
Bug fixes
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  • Fixed NPE in ApacheHttpClientApiAdapter#getHostName - #3479
  • Fix span stack trace when combined with span compression - #3474
  • Fix UnsupportedClassVersionError java 7 compatibility for jctools - #3483

1.45.0 - 2023/12/07

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Features
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  • Added support for OpenTelemetry annotations - WithSpan and SpanAttribute - #3406
  • Only automatically apply redacted exceptions for Corretto JVM 17-20. Outside that, user should use capture_exception_details=false to workaround the JVM race-condition bug if it gets triggered: #3438
  • Added support for Spring 6.1 / Spring-Boot 3.2 - #3440
  • Add support for Apache HTTP client 5.x - #3419
Potentially breaking changes
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  • Added support for OpenTelemetry 1.32.0. As a result, custom_metrics_histogram_boundaries will not work when you bring your own MeterProvider from an SDK with version 1.32.0 or newer. As a workaround, you should manually register a corresponding View in your MeterProvider. Note that this change will not affect you, if you are using the OpenTelemetry API only and not the SDK. - #3447

1.44.0 - 2023/11/21

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Features
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  • Added protection against invalid timestamps provided by manual instrumentation - #3363
  • Added support for AWS SDK 2.21 - #3373
  • Capture bucket and object key to Lambda transaction as OTel attributes - aws.s3.bucket, aws.s3.key - #3364
  • Added context_propagation_only configuration option - #3358
  • Added attribute[*] for JMX pattern metrics (all metrics can now be generated with object_name[*:type=*,name=*] attribute[*]) - #3376
Bug fixes
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  • Fixed too many spans being created for HTTPUrlConnection requests with method HEAD - #3353
  • Enhance k8s container/pod and host name detection heuristics - #3418

1.43.0 - 2023/09/26

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Features
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  • Add support for Elasticsearch client 8.9 - #3283
  • Added baggage_to_attach config option to allow automatic lifting of baggage into transaction, span and error attributes - #3288, #3289
  • Exclude elasticsearch 8.10 and newer clients from instrumentation because they natively support OpenTelemetry - #3303
  • Switched to OpenTelemetry compatible context propagation for Kafka - #3300
  • Changed cloud.project.id collected in Google Cloud (GCP) to be the project-id - {issues}3311[#3311]
  • Allow running the IntelliJ debug agent in parallel - #3315
  • Capture span.sync = false for ES restclient async spans plugins
Bug fixes
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  • Prevent bad serialization in edge cases for span compression - #3293
  • Allow overriding of transaction type for Servlet-API transactions - #3226
  • Fix micrometer histogram serialization - #3290, #3304
  • Fix transactions not being correctly handled in certain edge cases - #3294
  • Fixed JDBC instrumentation for DB2 - #3313
  • Fixed OpenTelemetry metrics export breaking when instrument=false is configured - #3326

1.42.0 - 2023/08/11

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Features
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  • Virtual thread support - #3244, #3286
  • Include application_packages in JMS listener naming heuristic - #3299
Bug fixes
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  • Fix JVM memory usage capture - #3279

1.41.1 - 2023/08/07

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Bug fixes
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  • Fixed Micrometer histograms to be correctly exported with non-cumulative bucket counts - #3264
  • Fixed SQS NoClassDefFoundError in AWS SDK instrumentation for async clients - #3266
Refactorings
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  • Replaced thread-local IO buffers with pooled ones for virtual thread friendliness - #3239

1.41.0 - 2023/07/31

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Features
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  • Added W3C baggage propagation - #3236, #3248
  • Added support for baggage in OpenTelemetry bridge - #3249
  • Improved span naming and attribute collection for 7.16+ elasticsearch clients - #3157
Bug fixes
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  • Fixed SQS NoClassDefFoundError in AWS SDK instrumentation - #3254
  • Fixed reference counting issues in elasticsearch instrumentation - #3256

1.40.0 - 2023/07/19

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Features
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  • Capture container.id for cgroups v2 - #3199
Bug fixes
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  • fix jakarta.jms support (wasn’t fully implemented) - #3198
  • Fixed agent programmatic attach with immutable config - #3170
  • Prevent overriding ELASTIC_APM_AWS_LAMBDA_HANDLER in AWS lambda execution when explicitly set - #3205
  • Ignore gc allocation metrics when unsupported - #3225
  • Avoid warning log message when grpc transactions are cancelled before end - #3223
  • Align agent hostname capture to FQDN - #3188

1.39.0 - 2023/06/13

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Features
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  • Capture S3 operation details as OTel attributes - #3136
  • Added support for recording AWS lambda transactions even if the JVM crashes or runs into a timeout - #3134
  • Add extra built-in metrics: jvm.fd.* and jvm.memory.pool.non_heap.* - #3147
  • Capture span.sync = false for some async spans plugins - #3164
Bug fixes
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  • Fixed classloading for OpenTelemetry dependencies in external plugins - #3154
  • Handled an edge case where exceptions thrown by instrumentation code could escape into the application - #3159
  • Added guard to gracefully handle the presence of pre 3.0 Servlet API versions in the spring service name discovery mechanism - #3172

1.38.0 - 2023/05/04

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Features
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  • Added tests for Quarkus / RestEasy, adjusted vert.x router transaction name priority - #1765
  • Added support for Spring WebMVC 6.x and Spring Boot 3.x - #3094
  • Added service.environment to logs for service correlation - #3115
  • Optimize agent overhead when an excessive number of spans is created with trace_methods, @Traced or @CaptureSpan - #3151
Bug fixes
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  • Do not use proxy to retrieve cloud metadata - #3108

1.37.0 - 2023/04/11

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Potentially breaking changes
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  • The list of instrumentation groups for log-related features have been simplified to logging, log-reformatting, log-correlation and log-error, as a consequence any agent configuration with enable_instrumentations or disable_instrumentations might require adjustments as the following instrumentation groups no longer exist: jul-ecs, jul-error, log4j1-correlation, log4j1-ecs, log4j1-error, log4j2-correlation, log4j2-ecs, log4j2-error, logback-correlation, logback-ecs and slf4j-error.
Features
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Bug fixes
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  • Fixed used instrumentations printed on shutdown #3001
  • Prevent potential connection leak on network failure - #2869
  • Fix for inferred spans where the parent id was also a child id - #2686
  • Fix context propagation for async 7.x and 8.x Elasticsearch clients - #3015
  • Fix exceptions filtering based on ignore_exceptions ( [1.11.0] Added in 1.11.0. ) when those are nested - #3025
  • Fix usage of HttpUrlConnection.getResponseCode() causing an error event due to exception capturing, even when it is internally handled - #3024
  • Fix source code jar to contain apm-agent sources - #3063
  • Fix security exception when security manager is used with log_level=debug - #3077
  • Fix slim attacher when downloading agent version - #3096

1.36.0 - 2023/01/27

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Potentially breaking changes
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  • Previously, agent instrumented all implementations of javax.jms.MessageListener, which could cause performance issues. From now on, the instrumentation is limited to implementations that fit at least one of the following criteria:

    • have Message or Listener in their class name
    • is an anonymous inner class or a lambda
    • is within a package provided by the jms_listener_packages configuration.
  • The context.destination.service.resource span field has been changed for AWS S3, SQS and DynamoDB. As a result, the history of metrics relying on this field might break. - #2947
Features
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  • Add experimental log sending from the agent with log_sending - #2694
  • Add bootstrap checks that enable JVM Filtering on startup - #2951
  • Added support for LDAP - #2977
Bug fixes
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  • Use 127.0.0.1 as default for server_url to prevent ipv6 ambiguity - #2927
  • Fix some span-compression concurrency issues - #2865
  • Add warning when agent is accidentally started on a JVM/JDK command-line tool - #2924
  • Fix NullPointerException caused by the Elasticsearch REST client instrumentation when collecting dropped span metrics - #2959
  • Fix SQS Instrumentation for Non-MessageReceive actions to avoid NoSuchElementException - #2979
  • Fix java.lang.NoSuchMethodError when using the agent with WebFlux and Spring 6.x/Spring Boot 3.x - #2935
  • Optimize JMS listener matcher - #2930
  • Handle Corretto causing a sigsegv when accessing Throwables inside some instrumentation with AWS - #2958
  • Change Micrometer logs to DEBUG from INFO - #2914

1.35.0 - 2022/12/06

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Features
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  • Add support for log correlation for java.util.logging (JUL) - #2724
  • Add support for spring-kafka batch listeners - #2815
  • Improved instrumentation for legacy Apache HttpClient (when not using an HttpUriRequest, such as BasicHttpRequest)
  • Prevented exclusion of agent-packages via classes_excluded_from_instrumentation to avoid unintended side effects
  • Add Tomcat support for log reformatting - #2839
  • Capture Elastic cluster name on Elastic Cloud - #2796
  • Attacher CLI: added a --no-fork config to opt out from executing a forked process as different user.If --no-fork is used alongside discovery rules that contain only --include-pid rules, the attacher will not execute JVM discovery - #2863
  • Add the option to instrument very old bytecode through the instrument_ancient_bytecode config option - #2866
  • Capture MongoDB statements - #2806
  • Added agent health and background overhead metrics (experimental) - #2864, #2888
  • Added support for Finagle Http Client - #2795
  • Add support for Apache HTTP client 3.x - #2853
  • Made api_key and secret_token configuration options dynamic - #2889
  • Misaligned micrometer interval vs Elastic agent metrics reporting interval now handled - #2801
  • Histograms now reported from micrometer metrics - #2895
Bug fixes
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  • Remove context.db fields from S3 instrumentation - #2821
  • Allowed OpenTelemetry Span.updateName to update names provided by elastic - #2838
  • Prevent random NullPointerException when span compression is not possible - #2859
  • Fix security manager issues on OpenJDK 17, with errors like: java.lang.UnsupportedOperationException: Could not access Unsafe class - #2874
  • Fix security manager compatibility with Tomcat - #2871 and #2883
  • Fix NPE with Spring MVC - #2896

1.34.1 - 2022/09/29

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Features
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  • Redact *principal* headers by default - #2798
Refactorings
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  • Activation stack was extracted from ElasticApmTracer into a separate class, where it also enforces a stack depth to eliminate activation leaks - #2783
Bug fixes
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  • Fix imports (leading to NoClassDefFoundError) in the AWS SDK instrumentation - #2800

1.34.0 - 2022/09/14

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Refactorings
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  • Changed the main agent class loader to work in a child-first delegation model, thus making it more isolated by preferring self packaged version of classes that are available also in the parent (bootstrap) class loader - #2728
Features
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Bug fixes
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  • Fix unexpected side effects of toString calls within reactor instrumentation - #2708
  • Fix Vert.x instrumentation for 4.3.2 - #2700
  • Fix NullPointerException in AmazonHttpClientInstrumentation - #2740
  • Fix stack frame exclusion patterns - #2758
  • Fix NullPointerException with compressed spans - #2755
  • Fix empty Servlet path with proper fallback - #2748
  • Fix ClosedByInterruptException during indy bootstrap method resolution - #2752
  • Enhance exclusion of other APM agents - #2766
  • Avoid warning when log correlation option is provided in remote config - #2765
  • Update async-profiler to 1.8.8 to avoid missing symbol log spam - #2775
  • Fix container ID discovery for containers managed through AWS Fargate - #2772
  • Make traceparent header computation thread-safe - #2747
  • Fix OTel bridge with multiple OTel APIs or external plugins - #2735

1.33.0 - 2022/07/08

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Breaking changes
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As of version 1.33.0, Java 7 support is deprecated and will be removed in a future release (not expected to be removed before January 2024) - #2677

Features
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Bug fixes
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  • Fix for JAX-WS (SOAP) transaction names. The agent now properly names transaction for web service methods that are not annotated with @WebMethod. - #2667
  • Fix public API backward compatibility that was broken in 1.32.0. With this version you can use any version of the public API once again - #2682
  • Fix flaky transaction name with Webflux+Servlet - #2695

1.32.0 - 2022/06/13

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Potentially breaking changes
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  • If using the public API of version < 1.32.0 and using the @CaptureSpan or @Traced annotations, upgrading the agent to 1.32.0 without upgrading the API version may cause VerifyError. This was fixed in version 1.33.0, which can once again be used with any version of the public API.
  • For relational databases, the agent now captures the database name and makes it part of service dependencies and service map. For example, with a MySQL database, previously a single mysql item was shown in the map and in service dependencies, the agent will now include the database name in the dependency, thus mysql/my-db1, mysql/my-db2 will now be captured.
Features
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  • Promote mature agent features as Generaly Available (GA) - #2632

  • Struts action invocations via an action chain result start a new span - #2513
  • Added official support for Elasticsearch Java API client - #2211
  • Added the ability to make spans non-discardable through the public API and the OpenTelemetry bridge - #2632
  • Added support for the new service target fields - #2578
  • Capture the database name from JDBC connection string - #2642
  • Added an additional span around Javalin template renderers - #2381
  • Added support for downloading the latest agent version through the attach CLI by setting --download-agent-version latest. In addition, when using the apm-agent-attach-cli-slim.jar, which does not contain a bundled agent, the latest version will be downloaded from maven at runtime unless configured otherwise through --download-agent-version - #2659
  • Added span-links to messaging systems instrumentation (supported by APM Server 8.3+ only) - #2610
Bug fixes
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  • Fix missing attributes in bridged OTel transactions - #2657
  • Fix transaction.result with bridged OTel transactions - #2660

1.31.0 - 2022/05/17

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Potentially breaking changes
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  • Starting this version, when using log_ecs_reformatting ( [1.22.0] Added in 1.22.0. experimental), the agent will automatically set the service.version field. If you are using ECS-logging and set the service.version through a custom field, the behaviour is not strictly defined. Remove the custom service.name field setting and either allow the agent to automatically discover and set it, or use the service_version config option to set it manually.
Refactorings
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  • Vert.x 3.x instrumentation was refactored to remove constructor instrumentation as well as wrapping of response handler. In addition, in HTTP 2 request handling, transactions are ended when the request end event occurs and are kept alive until response end, when they are allowed to recycle. This allows for spans representing asynchronous handling of requests for which the corresponding transaction has ended - #2564
  • Jedis clients instrumentation was changed
Features
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  • Set the service version when using the ECS reformatting of the application logs: #2603
  • Add ECS-reformatting support for java.util.logging - #2591
  • Added support for setting the service version on Log4j2’s EcsLayout - #2604
  • Added support for AWS S3 and DynamoDB - #2606
  • Added support for Jedis 4.x clients - #2626
Bug fixes
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  • Fixed multiple dropped stats types in a transaction producing invalid JSON: #2589
  • Fixed NoClassDefFoundError when using OTel bridge and span.*current() : #2596
  • Fallback to standard output when Security Manager prevents writing to log file - #2581
  • Fix missing transactions when using Vert.x 3.x with HTTP 1 - #2564
  • Fix Vert.x GET null transactions to be named GET unknown route, according to spec - #2564
  • Fix OpenTelemetry bridge span end with explicit timestamp - #2615
  • Fix improper naming for scheduled transactions created by java.util.TimerTask instrumentation - #2620
  • Properly handle java.lang.IllegalStateException related to premature invocation of ServletConfig#getServletContext() in Servlet#init() instrumentations - #2627

1.30.1 - 2022/04/12

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Bug fixes
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  • Fixed AWS Lambda instrumentation for AWS handler classes with input object types that are not AWS Events classes - #2551
  • Fixed service name discovery based on MANIFEST.MF file through ServletContainerInitializer#onStartup on Jakarta Servlet containers - #2546
  • Fix shaded classloader package definition - #2566
  • Fix logging initialization with Security Manager - #2568
  • normalize empty transaction.type and span.type - #2525
  • Allowing square brackets within the capture_jmx_metrics ( [1.11.0] Added in 1.11.0. ) config value - #2547
  • Fixed duplicated ending of HttpUrlConnection spans - #2530
  • Compressed span fixes - #2576, #2552, #2558

1.30.0 - 2022/03/22

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Potentially breaking changes
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  • Create the JDBC spans as exit spans- #2484
  • WebSocket requests are now captured with transaction type request instead of custom - #2501
Refactorings
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  • Logging frameworks instrumentations - #2428. This refactoring includes:

    • Log correlation now works based on bytecode instrumentation rather than ActivationListener that directly updates the MDC
    • Merging the different instrumentations (log-correlation, error-capturing and ECS-reformatting) into a single plugin
    • Module structure and package naming changes
Features
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  • Added support for setting service name and version for a transaction via the public api - #2451
  • Added support for en-/disabling each public annotation on each own - #2472
  • Added support for compressing spans - #2477
  • Added microsecond durations with us as unit - #2496
  • Added support for dropping fast exit spans - #2491
  • Added support for collecting statistics about dropped exit spans - #2505
  • Making AWS Lambda instrumentation GA - includes some changes in Lambda transaction metadata fields and a dedicated flush HTTP request to the AWS Lambda extension - #2424
  • Changed logging correlation to be on by default. This change includes the removal of the now redundant enable_log_correlation config option. If there’s a need to disable the log correlation mechanism, this can be done now through the disable_instrumentations config - #2428
  • Added automatic error event capturing for log4j1 and JBoss LogManager - #2428
  • Issue a warning when security manager is mis-configured - #2510
  • Add experimental OpenTelemetry API bridge - #1631
Performance improvements
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  • Proxy classes are excluded from instrumentation in more cases - #2474
  • Only time type/method matching if the debug logging is enabled as the results are only used when debug logging is enabled - #2471
Bug fixes
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  • Fix cross-plugin dependencies triggering NoClassDefFound - #2509
  • Fix status code setting in AWS Lambda transactions triggered by API Gateway V1 - #2346
  • Fix classloading OSGi bundles with partial dependency on Servlet API + avoid SecurityException with Apache Sling - 2418
  • Respect transaction_ignore_urls and transaction_ignore_user_agents when creating transactions in the spring webflux instrumentation - #2515

1.29.0 - 2022/02/09

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Breaking changes
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  • Changes in service name auto-discovery of jar files (see Features section)
Features
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  • Exceptions that are logged using the fatal log level are now captured (log4j2 only) - #2377
  • Replaced authorization in the default value of sanitize_field_names with *auth* - #2326
  • Unsampled transactions are dropped and not sent to the APM-Server if the APM-Server version is 8.0+ - #2329
  • Adding agent logging capabilities to our SDK, making it available for external plugins - #2390
  • Service name auto-discovery improvements

    • For applications deployed to application servers (war files) and standalone jars that are started with java -jar, the agent now discovers the META-INF/MANIFEST.MF file.
    • If the manifest contains the Implementation-Title attribute, it is used as the default service name - #1921, #2434
      Note: this may change your service names if you relied on the auto-discovery that uses the name of the jar file. If that jar file also contains an Implementation-Title attribute in the MANIFEST.MF file, the latter will take precedence.
    • When the manifest contains the Implementation-Version attribute, it is used as the default service version - #1726, #1922, #2434
  • Added support for instrumenting Struts 2 static resource requests - #1949
  • Added support for Java/Jakarta WebSocket ServerEndpoint - #2281
  • Added support for setting the service name on Log4j2’s EcsLayout - #2296
  • Print the used instrumentation groups when the application stops - #2448
  • Add elastic.apm.start_async property that makes the agent start on a non-premain/main thread - #2454
Bug fixes
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  • Fix runtime attach with some docker images - #2385
  • Restore dynamic capability to log_level config for plugin loggers - #2384
  • Fix slf4j-related LinkageError - #2390 and #2376
  • Fix possible deadlock occurring when Byte Buddy reads System properties by warming up bytecode instrumentation code paths. The BCI warmup is on by default and may be disabled through the internal warmup_byte_buddy config option - #2368
  • Fixed few dubbo plugin issues - #2149

    • Dubbo transaction will should be created at the provider side
    • APM headers conversion issue within dubbo transaction
  • Fix External plugins automatic setting of span outcome - #2376
  • Avoid early initialization of JMX on Weblogic - #2420
  • Automatically disable class sharing on AWS lambda layer - #2438
  • Avoid standalone spring applications to have two different service names, one based on the jar name, the other based on spring.application.name.

1.28.4 - 2021/12/30

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Bug fixes
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  • Fix @Traced annotation to return proper outcome instead of failed - #2370
Dependency updates
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  • Update Log4j to 2.12.4 and log4j2-ecs-layout to 1.3.2 - #2378

1.28.3 - 2021/12/22

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Dependency updates
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  • Update Log4j to 2.12.3
  • Update ecs-logging-java to 1.3.0
Potentially breaking changes
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  • If the agent cannot discover a service name, it now uses unknown-java-service instead of my-service - #2325
Bug fixes
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  • Gracefully handle JDBC drivers which don’t support Connection#getCatalog - #2340
  • Fix using JVM keystore options for communication with APM Server - #2362

1.28.2 - 2021/12/16

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Dependency updates
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  • Update Log4j to 2.12.2
Bug fixes
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  • Fix module loading errors on J9 JVM - #2341
  • Fixing log4j configuration error - #2343

1.28.1 - 2021/12/10

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Security
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Features
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  • Added support to selectively enable instrumentations - #2292
Bug fixes
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  • Preferring controller names for Spring MVC transactions, use_path_as_transaction_name only as a fallback - #2320

1.28.0 - 2021/12/07

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Features
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Bug fixes
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  • Fix error with parsing APM Server version for 7.16+ - #2313

1.27.1 - 2021/11/30

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Security
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Features
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  • Add support to Jakarta EE for JSF - #2254
Bug fixes
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  • Fixing missing Micrometer metrics in Spring boot due to premature initialization - #2255
  • Fixing hostname trimming of FQDN too aggressive - #2286
  • Fixing agent unknown version - #2289
  • Improve runtime attach configuration reliability - #2283

1.27.0 - 2021/11/15

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Security
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Potentially breaking changes
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  • transaction_ignore_urls now relies on full request URL path - #2146

    • On a typical application server like Tomcat, deploying an app.war application to the non-ROOT context makes it accessible with http://localhost:8080/app/
    • Ignoring the whole webapp through /app/* was not possible until now.
    • Existing configuration may need to be updated to include the deployment context, thus for example /static/*.js used to exclude known static files in all applications might be changed to /app/static/*.js or */static/*.js.
    • It only impacts prefix patterns due to the additional context path in pattern.
    • It does not impact deployment within the ROOT context like Spring-boot which do not have such context path prefix.
  • The metrics transaction.duration.sum.us, transaction.duration.count and transaciton.breakdown.count are no longer recorded - #2194
  • Automatic hostname discovery mechanism had changed, so the resulted host.name and host.hostname in events reported by the agent may be different. This was done in order to improve the integration with host metrics in the APM UI.
Features
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  • Improved capturing of logged exceptions when using Log4j2 - #2139
  • Update to async-profiler 1.8.7 and set configured safemode at load time though a new system property - #2165
  • Added support to capture context.message.routing-key in rabbitmq, spring amqp instrumentations - #1767
  • Breakdown metrics are now tracked per service (when using APM Server 8.0) - #2208
  • Add support for Spring AMQP batch API - #1716
  • Add the (current) transaction name to the error (when using APM Server 8.0) - #2235
  • The JVM/JMX metrics are reported for each service name individually (when using APM Server 8.0) - #2233
  • Added span_stack_trace_min_duration option. This replaces the now deprecated span_frames_min_duration option. The difference is that the new option has more intuitive semantics for negative values (never collect stack trace) and zero (always collect stack trace). - #2220
  • Add support to Jakarta EE for JAX-WS - #2247
  • Add support to Jakarta EE for JAX-RS - #2248
  • Add support for Jakarta EE EJB annotations @Schedule, @Schedules - #2250
  • Add support to Jakarta EE for Servlets - #1912
  • Added support to Quartz 1.x - #2219
Performance improvements
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  • Disable compression when sending data to a local APM Server
  • Reducing startup contention related to instrumentation through ensureInstrumented - #2150
Bug fixes
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  • Fix k8s metadata discovery for containerd-cri envs - #2126
  • Fixing/reducing startup delays related to ensureInstrumented - #2150
  • Fix runtime attach when bytebuddy is in application classpath - #2116
  • Fix failed integration between agent traces and host metrics coming from Beats/Elastic-Agent due to incorrect hostname discovery - #2205
  • Fix infinitely kept-alive transactions in Hikari connection pool - #2210
  • Fix few Webflux exceptions and missing reactor module - #2207
Refactorings
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  • Loading the agent from an isolated class loader - #2109
  • Refactorings in the apm-agent-plugin-sdk that may imply breaking changes for beta users of the external plugin mechanism

    • WeakMapSupplier.createMap() is now WeakConcurrent.buildMap() and contains more builders - #2136
    • GlobalThreadLocal has been removed in favor of DetachedThreadLocal. To make it global, use GlobalVariables - #2136
    • DynamicTransformer.Accessor.get().ensureInstrumented is now DynamicTransformer.ensureInstrumented - #2164
    • The @AssignTo.* annotations have been removed. Use the @Advice.AssignReturned.* annotations that come with the latest version of Byte Buddy. If your plugin uses the old annotations, it will be skipped. #2171
  • Switching last instrumentations (trace_methods, sparkjava, JDK HttpServer and Struts 2) to TracerAwareInstrumentation - #2170
  • Replace concurrency plugin maps to SpanConcurrentHashMap ones - #2173
  • Align User-Agent HTTP header with other APM agents - #2177

1.26.2 - 2021/12/30

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Dependency updates
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  • Update Log4j to 2.12.4 and log4j2-ecs-layout to 1.3.2 - #2378

1.26.1 - 2021/12/22

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Dependency updates
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  • Update Log4j to 2.12.3
  • Update ecs-logging-java to 1.3.0

1.26.0 - 2021/09/14

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Potentially breaking changes
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  • If you rely on Database span subtype and use Microsoft SQL Server, the span subtype has been changed from sqlserver to mssql to align with other agents.
Breaking changes
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  • Stop collecting the field http.request.socket.encrypted in http requests - #2136
Features
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  • Improved naming for Spring controllers - #1906
  • ECS log reformatting improvements - #1910

    • Automatically sets service.node.name in all log events if set through agent configuration
    • Add log_ecs_reformatting_additional_fields option to support arbitrary fields in logs
    • Automatically serialize markers as tags where relevant (log4j2 and logback)
  • gRPC spans (client and server) can detect errors or cancellation through custom listeners - #2067
  • Add -download-agent-version to the agent attach CLI tool options, allowing the user to configure an arbitrary agent version that will be downloaded from maven and attached - #1959
  • Add extra check to detect improper agent setup - #2076
  • In redis tests - embedded RedisServer is replaced by testcontainers - #2221
Performance improvements
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  • Reduce GC time overhead caused by WeakReferences - #2086, #2081
  • Reduced memory overhead by a smarter type pool caching strategy - #2102.
    The type pool cache improves the startup times by speeding up type matching (determining whether a class that’s about to be loaded should be instrumented). Generally, the more types that are cached, the faster the startup.
    The old strategy did not impose a limit to the cache but cleared it after it hasn’t been accessed in a while. However, load test have discovered that the cache may never be cleared and leave a permanent overhead of 23mb. The actual size of the cache highly depends on the application and loosely correlates with the number of loaded classes.
    The new caching strategy targets to allocate 1% of the committed heap, at least 0.5mb and max 10mb. If a particular entry hasn’t been accessed within 20s, it will be removed from the cache.
    The results based on load testing are very positive:

    • Equivalent startup times (within the margins of error of the previous strategy)
    • Equivalent allocation rate (within the margins of error of the previous strategy)
    • Reduced avg heap utilization from 10%/15mb (previous strategy) to within margins of error without the agent
    • Reduced GC time due to the additional headroom that the application can utilize.
    • Based on heap dump analysis, after warmup, the cache size is now around 59kb (down from 23mb with the previous strategy).
Bug fixes
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  • Fix failure to parse some forms of the Implementation-Version property from jar manifest files - #1931
  • Ensure single value for context-propagation header - #1937
  • Fix gRPC non-terminated (therefore non-reported) client spans - #2067
  • Fix Webflux response status code - #1948
  • Ensure path filtering is applied when Servlet path is not available - #2099
  • Align span subtype for MS SqlServer - #2112
  • Fix potential destination host name corruption in OkHttp client spans - #2118
Refactorings
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1.25.0 - 2021/07/22

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Potentially breaking changes
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  • If you rely on instrumentations that are in the experimental group, you must now set enable_experimental_instrumentations=true otherwise the experimental instrumentations will be disabled by default. Up to version 1.24.0 using an empty value for disable_instrumentations was the recommended way to override the default disable_instrumentations=experimental.
Features
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  • Support for inheritance of public API annotations - #1805
  • JDBC instrumentation sets context.db.instance - #1820
  • Add support for Vert.x web client- #1824
  • Avoid recycling of spans and transactions that are using through the public API, so to avoid reference-counting-related errors - #1859
  • Add enable_experimental_instrumentations ( [1.25.0] Added in 1.25.0. ) configuration option to enable experimental features - #1863

    • Previously, when adding an instrumentation group to disable_instrumentations, we had to make sure to not forget the default experimental value, for example when disabling jdbc instrumentation we had to set disable_instrumentations=experimental,jdbc otherwise setting disable_instrumentations=jdbc would disable jdbc and also enable experimental features, which would not be the desired effect.
    • Previously, by default disable_instrumentations contained experimental
    • Now by default disable_instrumentations is empty and enable_experimental_instrumentations=false
    • Set enable_experimental_instrumentations=true to enable experimental instrumentations
  • Eliminating concerns related to log4j2 vulnerability - https://nvd.nist.gov/vuln/detail/CVE-2020-9488#vulnCurrentDescriptionTitle. We cannot upgrade to version above 2.12.1 because this is the last version of log4j that is compatible with Java 7. Instead, we exclude the SMTP appender (which is the vulnerable one) from our artifacts. Note that older versions of our agent are not vulnerable as well, as the SMTP appender was never used, this is only to further reduce our users' concerns.
  • Adding public APIs for setting destination.service.resource, destination.address and destination.port fields for exit spans - #1788
  • Only use emulated runtime attachment as fallback, remove the --without-emulated-attach option - #1865
  • Instrument javax.servlet.Filter the same way as javax.servlet.FilterChain - #1858
  • Propagate trace context headers in HTTP calls occurring from within traced exit points, for example - when using Elasticsearch’s REST client - #1883
  • Added support for naming sparkjava (not Apache Spark) transactions #1894
  • Added the ability to manually create exit spans, which will result with the auto creation of service nodes in the service map and downstream service in the dependencies table - #1898
  • Basic support for com.sun.net.httpserver.HttpServer - #1854
  • Update to async-profiler 1.8.6 #1907
  • Added support for setting the framework using the public api (#1908) - #1909
Bug fixes
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  • Fix NPE with null binary header values + properly serialize them - #1842
  • Fix ListenerExecutionFailedException when using Spring AMQP’s ReplyTo container - #1872
  • Enabling log ECS reformatting when using Logback configured with LayoutWrappingEncoder and a pattern layout - #1879
  • Fix NPE with Webflux + context propagation headers - #1871
  • Fix ClassCastException with ConnnectionMetaData and multiple classloaders - #1864
  • Fix NPE in co.elastic.apm.agent.servlet.helper.ServletTransactionCreationHelper.getClassloader - #1861
  • Fix for Jboss JMX unexpected notifications - #1895

1.24.0 - 2021/05/31

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Features
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  • Basic support for Apache Struts 2 #1763
  • Extending the log_ecs_reformatting ( [1.22.0] Added in 1.22.0. experimental) config option to enable the overriding of logs with ECS-reformatted events. With the new OVERRIDE option, non-file logs can be ECS-reformatted automatically as well - #1793
  • Instrumentation for Vert.x Web #1697
  • Changed log level of vm arguments to debug
  • Giving precedence for the W3C tracecontext header over the elastic-apm-traceparent header - #1821
  • Add instrumentation for Webflux - #1305
  • Add instrumentation for Javalin #1822
Bug fixes
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  • Fix another error related to instrumentation plugins loading on Windows - #1785
  • Load Spring AMQP plugin- #1784
  • Avoid IllegalStateException when multiple tracestate headers are used - #1808
  • Ensure CLI attach avoids sudo only when required and avoid blocking - #1819
  • Avoid sending metric-sets without samples, so to adhere to the intake API - #1826
  • Fixing our type-pool cache, so that it can’t cause OOM (softly-referenced), and it gets cleared when not used for a while - #1828
Refactors
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  • Remove single-package limitation for embedded plugins - #1780

1.23.0 - 2021/04/22

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Breaking changes
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  • There are breaking changes in the attacher cli. See the Features section for more information.
Features
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  • Overhaul of the attacher cli application that allows to attach the agent to running JVMs - #1667

    • The artifact of the standalone cli application is now called apm-agent-attach-cli. The attacher API is still called apm-agent-attach.
    • There is also a slim version of the cli application that does not bundle the Java agent. It requires the --agent-jar option to be set.
    • Improved logging
      The application uses Java ECS logging to emit JSON logs. The log level can be configured with the --log-level option. By default, the program is logging to the console but using the --log-file option, it can also log to a file.
    • Attach to JVMs running under a different user (unix only)
      The JVM requires the attacher to be running under the same user as the target VM (the attachee). The apm-agent-attach-standalone.jar can now be run with a user that has permissions to switch to the user that runs the target VM. On Windows, the attacher can still only attach to JVMs that are running with under the same user.
    • New include/exclude discovery rules

      • --include-all: Attach to all discovered JVMs. If no matchers are provided, it will not attach to any JVMs.
      • --include-user/--exclude-user: Attach to all JVMs of a given operating system user.
      • --include-main/--exclude-main: Attach to all JVMs that whose main class/jar name, or system properties match the provided regex.
      • --include-vmargs/--exclude-vmargs: Attach to all JVMs that whose main class/jar name, or system properties match the provided regex.
    • Removal of options

      • The deprecated --arg option has been removed.
      • The -i/--include, -e/exclude options have been removed in favor of the --<include|exclude>-<main|vmargs> options.
      • The -p/--pid options have been removed in favor of the --include-pid option.
    • Changed behavior of the -l/--list option
      The option now only lists JVMs that match the include/exclude discovery rules. Thus, it can be used to do a dry-run of the matchers without actually performing an attachment. It even works in combination with --continuous now. By default, the VM arguments are not printed, but only when the -a/--list-vmargs option is set.
    • Remove dependency on jps
      Even when matching on the main class name or on system properties,
    • Checks the Java version before attaching to avoid attachment on unsupported JVMs.
  • Cassandra instrumentation - #1712
  • Log correlation supports JBoss Logging - #1737
  • Update Byte-buddy to 1.11.0 - #1769
  • Support for user.domain #1756
  • JAX-RS supports javax.ws.rs.PATCH
  • Enabling build and unit tests on Windows - #1671
Bug fixes
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  • Fixed log correlation for log4j2 - #1720
  • Fix apm-log4j1-plugin and apm-log4j2-plugin dependency on slf4j - #1723
  • Avoid systematic MessageNotWriteableException error logging, now only visible in debug - #1715 and #1730
  • Fix rounded number format for non-english locales - #1728
  • Fix NullPointerException on legacy Apache client instrumentation when host is null - #1746
  • Apply consistent proxy class exclusion heuristic - #1738
  • Fix micrometer serialization error - #1741
  • Optimize & avoid ensureInstrumented deadlock by skipping stack-frame computation for Java7+ bytecode - #1758
  • Fix instrumentation plugins loading on Windows - #1671
Refactors
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1.22.0 - 2021/03/24

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Breaking changes
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  • Dots in metric names of Micrometer metrics get replaced with underscores to avoid mapping conflicts. De-dotting be disabled via dedot_custom_metrics. - #1700
Features
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  • Introducing a new mechanism to ease the development of community instrumentation plugins. See plugins_dir (experimental) for more details. This configuration was already added in 1.18.0, but more extensive and continuous integration testing allows us to expose it now. It is still marked as "experimental" though, meaning that future changes in the mechanism may break early contributed plugins. However, we highly encourage our community to try it out and we will do our best to assist with such efforts.
  • Deprecating ignore_user_agents in favour of transaction_ignore_user_agents, maintaining the same functionality - #1644
  • Update existing Hibernate Search 6 instrumentation to the final relase
  • The use_path_as_transaction_name option is now dynamic
  • Flushing internal and micrometer metrics before the agent shuts down - #1658
  • Support for OkHttp 4.4+ - #1672
  • Adding capability to automatically create ECS-JSON-formatted version of the original application log files, through the log_ecs_reformatting ( [1.22.0] Added in 1.22.0. experimental) config option. This allows effortless ingestion of logs to Elasticsearch without any further configuration. Supports log4j1, log4j2 and Logback. #1261
  • Add support to Spring AMQP - #1657
  • Adds the ability to automatically configure usage of the OpenTracing bridge in systems using ServiceLoader - #1708
  • Update to async-profiler 1.8.5 - includes a fix to a Java 7 crash and enhanced safe mode to better deal with corrupted stack frames.
  • Add a warning on startup when -Xverify:none or -noverify flags are set as this can lead to crashes that are very difficult to debug - #1593. In an upcoming version, the agent will not start when these flags are set, unless the system property elastic.apm.disable_bootstrap_checks is set to true.
Bug fixes
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  • fix sample rate rounded to zero when lower than precision - #1655
  • fixed a couple of bugs with the external plugin mechanism (not documented until now) - #1660
  • Fix runtime attach conflict with multiple users - #1704

1.21.0 - 2021/02/09

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Breaking changes
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  • Following PR #1650, there are two slight changes with the server_url and server_urls configuration options:

    1. So far, setting server_urls with an empty string would allow the agent to work normally, apart from any action that requires communication with the APM Server, including the attempt to fetch a central configuration. Starting in this agent version, setting server_urls to empty string doesn’t have any special meaning, it is the default expected configuration, where server_url will be used instead. In order to achieve the same behaviour, use the new disable_send configuration.
    2. Up to this version, server_url was used as an alias to server_urls, meaning that one could potentially set the server_url config with a comma-separated list of multiple APM Server addresses, and that would have been a valid configuration. Starting in this agent version, server_url is a separate configuration, and it only accepts Strings that represent a single valid URL. Specifically, empty strings and commas are invalid.
Features
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  • Add cloud provider metadata to reported events, see spec for details. By default, the agent will try to automatically detect the cloud provider on startup, but this can be configured through the cloud_provider config option - #1599
  • Add span & transaction outcome field to improve error rate calculations - #1613
Bug fixes
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  • Fixing crashes observed in Java 7 at sporadic timing by applying a few seconds delay on bootstrap - #1594
  • Fallback to using "TLS" SSLContext when "SSL" is not available - #1633
  • Fixing agent startup failure with NullPointerException thrown by Byte-buddy’s MultipleParentClassLoader - #1647
  • Fix cached type resolution triggering ClassCastException - #1649

1.20.0 - 2021/01/07

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Breaking changes
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  • The following public API types were public so far and became package-private: NoopScope, ScopeImpl and AbstractSpanImpl. If your code is using them, you will need to change that when upgrading to this version. Related PR: #1532
Features
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  • Add support for RabbitMQ clients - #1328
Bug fixes
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  • Fix small memory allocation regression introduced with tracestate header #1508
  • Fix NullPointerException from WeakConcurrentMap.put through the Elasticsearch client instrumentation - #1531
  • Sending transaction_id and parent_id only for events that contain a valid trace_id as well - #1537
  • Fix ClassNotFoundError with old versions of Spring resttemplate #1524
  • Fix Micrometer-driven metrics validation errors by the APM Server when sending with illegal values - #1559
  • Serialize all stack trace frames when setting stack_trace_limit=-1 instead of none - #1571
  • Fix UnsupportedOperationException when calling ServletContext.getClassLoader() - #1576
  • Fix improper request body capturing - #1579
  • Avoid NullPointerException due to null return values instrumentation advices - #1601
  • Update async-profiler to 1.8.3 1602
  • Use null-safe data structures to avoid NullPointerException 1597
  • Fix memory leak in sampling profiler mechanism - #1592
Refactors
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  • Migrate some plugins to indy dispatcher #1405 #1394

1.19.0 - 2020/11/10

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Features
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  • The agent version now includes a git hash if it’s a snapshot version. This makes it easier to differ distinct snapshot builds of the same version. Example: 1.18.1-SNAPSHOT.4655910
  • Add support for sampling weight with propagation in tracestate W3C header #1384
  • Adding two more valid options to the log_level config: WARNING (equivalent to WARN) and CRITICAL (will be treated as ERROR) - 1431
  • Add the ability to disable Servlet-related spans for INCLUDE, FORWARD and ERROR dispatches (without affecting basic Servlet capturing) by adding servlet-api-dispatch to disable_instrumentations ( [1.0.0] Added in 1.0.0. Changing this value at runtime is possible since version 1.15.0 ) - 1448
  • Add Sampling Profiler support for AArch64 architectures - 1443
  • Support proper transaction naming when using Spring’s ServletWrappingController - #1461
  • Update async-profiler to 1.8.2 1471
  • Update existing Hibernate Search 6 instrumentation to work with the latest CR1 release
  • Deprecating the addLabel public API in favor of setLabel (still supporting addLabel) - #1449
Bug fixes
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  • Fix HttpUrlConnection instrumentation issue (affecting distributed tracing as well) when using HTTPS without using java.net.HttpURLConnection#disconnect - 1447
  • Fixes class loading issue that can occur when deploying multiple applications to the same application server - #1458
  • Fix ability to disable agent on startup wasn’t working for runtime attach 1444
  • Avoid UnsupportedOperationException on some spring application startup 1464
  • Fix ignored runtime attach config_file 1469
  • Fix IllegalAccessError: Module 'java.base' no access to: package 'java.lang'... in J9 VMs of Java version >= 9 - #1468
  • Fix JVM version parsing on HP-UX #1477
  • Fix Spring-JMS transactions lifecycle management when using multiple concurrent consumers - #1496
Refactors
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  • Migrate some plugins to indy dispatcher 1404 1411
  • Replace System Rules with System Lambda #1434

1.18.1 - 2020/10/06

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Refactors
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Bug fixes
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  • Fix instrumentation error for HttpClient - #1402
  • Eliminate unsupported class version error messages related to loading the Java 11 HttpClient plugin in pre-Java-11 JVMs 1397
  • Fix rejected metric events by APM Server with response code 400 due to data validation error - sanitizing Micrometer metricset tag keys - 1413
  • Fix invalid micrometer metrics with non-numeric values 1419
  • Fix NoClassDefFoundError with JDBC instrumentation plugin 1409
  • Apply disable_metrics config to Micrometer metrics - 1421
  • Remove cgroup inactive_file.bytes metric according to spec 1422

1.18.0 - 2020/09/08

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Features
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  • Deprecating ignore_urls config in favour of transaction_ignore_urls to align with other agents, while still allowing the old config name for backward compatibility - #1315
  • Enabling instrumentation of classes compiled with Java 1.4. This is reverting the restriction of instrumenting only bytecode of Java 1.5 or higher (#320), which was added due to potential VerifyError. Such errors should be avoided now by the usage of TypeConstantAdjustment - #1317
  • Enabling agent to work without attempting any communication with APM server, by allowing setting server_urls with an empty string - #1295
  • Add micrometer support - #1303
  • Add profiling_inferred_spans_lib_directory option to override the default temp directory used for exporting the async-profiler library. This is useful for server-hardened environments where /tmp is often configured with noexec, leading to java.lang.UnsatisfiedLinkError errors - #1350
  • Create spans for Servlet dispatches to FORWARD, INCLUDE and ERROR - #1212
  • Support JDK 11 HTTPClient - #1307
  • Lazily create profiler temporary files #1360
  • Convert the followings to Indy Plugins (see details in 1.18.0-rc1 relase notes): gRPC, AsyncHttpClient, Apache HttpClient
  • The agent now collects cgroup memory metrics (see details in Metrics page)
  • Update async-profiler to 1.8.1 #1382
  • Runtime attach install option is promoted to beta status (was experimental).
Bug fixes
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  • Fixes a NoClassDefFoundError in the JMS instrumentation of MessageListener - #1287
  • Fix / by zero error message when setting server_urls with an empty string - #1295
  • Fix ClassNotFoundException or ClassCastException in some cases where special log4j configurations are used - #1322
  • Fix NumberFormatException when using early access Java version - #1325
  • Fix service_name config being ignored when set to the same auto-discovered default value - #1324
  • Fix service name error when updating a web app on a Servlet container - #1326
  • Fix remote attach jps executable not found when java binary is symlinked ot a JRE - #1352

1.18.0.RC1 - 2020/07/22

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This release candidate adds some highly anticipated features: It’s now possible to attach the agent at runtime in more cases than before. Most notably, it enables runtime attachment on JBoss, WildFly, Glassfish/Payara, and other OSGi runtimes such as Atlassian Jira and Confluence.

To make this and other significant features, such as external plugins, possible, we have implemented major changes to the architecture of the agent. The agent now relies on the invokedynamic bytecode instruction to make plugin development easier, safer, and more efficient. As early versions of Java 7 and Java 8 have unreliable support for invokedynamic, we now require a minimum update level of 60 for Java 7 (7u60+) in addition to the existing minimum update level of 40 for Java 8 (8u40+).

We’re looking for users who would like to try this out to give feedback. If we see that the invokedynamic-based approach (indy plugins) works well, we can continue and migrate the rest of the plugins. After the migration has completed, we can move forward with external plugins and remove the experimental label from runtime attachment.

If all works like in our testing, you would not see NoClassDefFoundError s anymore when, for example, trying to attach the agent at runtime to an OSGi container or a JBoss server. Also, non-standard OSGi containers, such as Atlassian Jira and other technologies with restrictive class loading policies, such as MuleSoft ESB, will benefit from this change.

In the worst case, there might be JVM crashes due to invokedynamic-related JVM bugs. However, we already disable the agent when attached to JVM versions that are known to be problematic. Another potentially problematic area is that we now dynamically raise the bytecode version of instrumented classes to be at least bytecode version 51 (Java 7). This is needed in order to be able to use the invokedynamic instruction. This requires re-computation of stack map frames which makes instrumentation a bit slower. We don’t anticipate notable slowdowns unless you extensively (over-)use trace_methods.

Breaking changes
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  • Early Java 7 versions, prior to update 60, are not supported anymore. When trying to attach to a non-supported version, the agent will disable itself and not apply any instrumentations.
Features
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  • Experimental support for runtime attachment now also for OSGi containers, JBoss, and WildFly
  • New mitigation of OSGi bootdelegation errors (NoClassDefFoundError). You can remove any org.osgi.framework.bootdelegation related configuration. This release also removes the configuration option boot_delegation_packages.
  • Overhaul of the ExecutorService instrumentation that avoids ClassCastException issues - #1206
  • Support for ForkJoinPool and ScheduledExecutorService (see Asynchronous frameworks)
  • Support for ExecutorService#invokeAny and ExecutorService#invokeAll
  • Added support for java.util.TimerTask - #1235
  • Add capturing of request body in Elasticsearch queries: _msearch, _count, _msearch/template, _search/template, _rollup_search - #1222
  • Add enabled flag
  • Add experimental support for Scala Futures
  • The agent now collects heap memory pools metrics - #1228
Bug fixes
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  • Fixes error capturing for log4j2 loggers. Version 1.17.0 introduced a regression.
  • Fixes NullPointerException related to JAX-RS and Quartz instrumentation - #1249
  • Expanding k8s pod ID discovery to some formerly non-supported environments
  • When recording is set to false, the agent will not send captured errors anymore.
  • Fixes NPE in Dubbo instrumentation that occurs when the application is acting both as a provider and as a consumer - #1260
  • Adding a delay by default what attaching the agent to Tomcat using the premain route to work around the JUL deadlock issue - #1262
  • Fixes missing jboss.as:* MBeans on JBoss - #1257

1.17.0 - 2020/06/17

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Features
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Bug fixes
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  • Fixes IndexOutOfBoundsException that can occur when profiler-inferred spans are enabled. This also makes the profiler more resilient by just removing the call tree related to the exception (which might be in an invalid state) as opposed to stopping the profiler when an exception occurs.
  • Fix NumberFormatException when parsing Ingres/Actian JDBC connection strings - #1198
  • Prevent agent from overriding JVM configured truststore when not using HTTPS for communication with APM server - #1203
  • Fix java.lang.IllegalStateException with jps JVM when using continuous runtime attach - 1205
  • Fix agent trying to load log4j2 plugins from application - 1214
  • Fix memory leak in gRPC instrumentation plugin - 1196
  • Fix HTTPS connection failures when agent is configured to use HTTPS to communicate with APM server 1209

1.16.0 - 2020/05/13

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Features
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  • The log correlation feature now adds error.id to the MDC. See Logging frameworks for details. - #1050
  • Deprecating the incubating tag in favour of the experimental tag. This is not a breaking change, so former disable_instrumentation configuration containing the incubating tag will still be respected - #1123
  • Add a --without-emulated-attach option for runtime attachment to allow disabling this feature as a workaround.
  • Add workaround for JDK bug JDK-8236039 with TLS 1.3 #1149
  • Add log level OFF to silence agent logging
  • Adds span_min_duration option to exclude fast executing spans. When set together with one of the more specific thresholds - trace_methods_duration_threshold or profiling_inferred_spans_min_duration, the higher threshold will determine which spans will be discarded.
  • Automatically instrument quartz jobs from the quartz-jobs artifact #1170
  • Perform re-parenting of regular spans to be a child of profiler-inferred spans. Requires APM Server and Kibana 7.8.0. #1117
  • Upgrade Async Profiler version to 1.7.0
Bug fixes
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  • When Servlet-related Exceptions are handled through exception handlers that return a 200 status code, agent shouldn’t override with 500 - #1103
  • Exclude Quartz 1 from instrumentation to avoid IncompatibleClassChangeError: Found class org.quartz.JobExecutionContext, but interface was expected - #1108
  • Fix breakdown metrics span sub-types #1113
  • Fix flaky gRPC server instrumentation #1122
  • Fix side effect of calling Statement.getUpdateCount more than once #1139
  • Stop capturing JDBC affected rows count using Statement.getUpdateCount to prevent unreliable side-effects #1147
  • Fix OpenTracing error tag handling (set transaction error result when tag value is true) #1159
  • Due to a bug in the build we didn’t include the gRPC plugin in the build so far
  • java.lang.ClassNotFoundException: Unable to load class 'jdk.internal...' is thrown when tracing specific versions of Atlassian systems #1168
  • Make sure spans are kept active during AsyncHandler methods in the AsyncHttpClient
  • CPU and memory metrics are sometimes not reported properly when using IBM J9 #1148
  • NullPointerException thrown by the agent on WebLogic #1142

1.15.0 - 2020/03/27

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Breaking changes
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  • Ordering of configuration sources has slightly changed, please review Configuration:

    • elasticapm.properties file now has higher priority over java system properties and environment variables,
      This change allows to change dynamic options values at runtime by editing file, previously values set in java properties or environment variables could not be overridden, even if they were dynamic.
  • Renamed some configuration options related to the experimental profiler-inferred spans feature (#1084):

    • profiling_spans_enabledprofiling_inferred_spans_enabled
    • profiling_sampling_intervalprofiling_inferred_spans_sampling_interval
    • profiling_spans_min_durationprofiling_inferred_spans_min_duration
    • profiling_included_classesprofiling_inferred_spans_included_classes
    • profiling_excluded_classesprofiling_inferred_spans_excluded_classes
    • Removed profiling_interval and profiling_duration (both are fixed to 5s now)
Features
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Bug fixes
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  • When JAX-RS-annotated method delegates to another JAX-RS-annotated method, transaction name should include method A - #1062
  • Fixed bug that prevented an APM Error from being created when calling org.slf4j.Logger#error - #1049
  • Wrong address in JDBC spans for Oracle, MySQL and MariaDB when multiple hosts are configured - #1082
  • Document and re-order configuration priorities #1087
  • Improve heuristic for service_name when not set through config #1097

1.14.0 - 2020/03/04

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Features
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  • Support for the official W3C traceparent and tracestate headers.
    The agent now accepts both the elastic-apm-traceparent and the official traceparent header. By default, it sends both headers on outgoing requests, unless use_elastic_traceparent_header is set to false.
  • Creating spans for slow methods with the help of the sampling profiler async-profiler. This is a low-overhead way of seeing which methods make your transactions slow and a replacement for the trace_methods configuration option. See Java method monitoring for more details
  • Adding a Circuit Breaker to pause the agent when stress is detected on the system and resume when the stress is relieved. See Circuit Breaker and #1040 for more info.
  • Span#captureException and Transaction#captureException in public API return reported error id - #1015
Bug fixes
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  • java.lang.IllegalStateException: Cannot resolve type description for <com.another.commercial.apm.agent.Class> - #1037
  • properly handle java.sql.SQLException for unsupported JDBC features #1035 #1025

1.13.0 - 2020/02/11

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Features
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  • Add support for Redis Lettuce client
  • Add context.message.age.ms field for JMS message receiving spans and transactions - #970
  • Instrument log4j2 Logger#error(String, Throwable) (#919) Automatically captures exceptions when calling logger.error("message", exception)
  • Add instrumentation for external process execution through java.lang.Process and Apache commons-exec - #903
  • Add destination fields to exit span contexts - #976
  • Removed context.message.topic.name field - #993
  • Add support for Kafka clients - #981
  • Add support for binary traceparent header format (see the spec for more details) - #1009
  • Add support for log correlation for log4j and log4j2, even when not used in combination with slf4j. See Logging frameworks for details.
Bug Fixes
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  • Fix parsing value of trace_methods configuration property #930
  • Workaround for java.util.logging deadlock #965
  • JMS should propagate traceparent header when transactions are not sampled #999
  • Spans are not closed if JDBC implementation does not support getUpdateCount #1008

1.12.0 - 2019/11/21

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Features
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  • JMS Enhancements #911:

    • Add special handling for temporary queues/topics
    • Capture message bodies of text Messages

      • Rely on the existing ELASTIC_APM_CAPTURE_BODY agent config option (off by default).
      • Send as context.message.body
      • Limit size to 10000 characters. If longer than this size, trim to 9999 and append with ellipsis
    • Introduce the ignore_message_queues configuration to disable instrumentation (message tagging) for specific queues/topics as suggested in #710
    • Capture predefined message headers and all properties

      • Rely on the existing ELASTIC_APM_CAPTURE_HEADERS agent config option.
      • Send as context.message.headers
      • Sanitize sensitive headers/properties based on the sanitize_field_names config option
  • Added support for the MongoDB sync driver. See supported data stores.
Bug Fixes
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  • JDBC regression- PreparedStatement#executeUpdate() and PreparedStatement#executeLargeUpdate() are not traced #918
  • When systemd cgroup driver is used, the discovered Kubernetes pod UID contains "_" instead of "-" #920
  • DB2 jcc4 driver is not traced properly #926

1.11.0 - 2019/10/31

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Features
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  • Add the ability to configure a unique name for a JVM within a service through the service_node_name config option]
  • Add ability to ignore some exceptions to be reported as errors <<config-ignore-exceptions[ignore_exceptions]
  • Applying new logic for JMS javax.jms.MessageConsumer#receive so that, instead of the transaction created for the polling method itself (ie from receive start to end), the agent will create a transaction attempting to capture the code executed during actual message handling. This logic is suitable for environments where polling APIs are invoked within dedicated polling threads. This polling transaction creation strategy can be reversed through a configuration option (message_polling_transaction_strategy) that is not exposed in the properties file by default.
  • Send IP obtained through javax.servlet.ServletRequest#getRemoteAddr() in context.request.socket.remote_address instead of parsing from headers #889
  • Added ElasticApmAttacher.attach(String propertiesLocation) to specify a custom properties location
  • Logs message when transaction_max_spans has been exceeded #849
  • Report the number of affected rows by a SQL statement (UPDATE,DELETE,INSERT) in affected_rows span attribute #707
  • Add @Traced annotation which either creates a span or a transaction, depending on the context
  • Report JMS destination as a span/transaction context field #906
  • Added capture_jmx_metrics configuration option
Bug Fixes
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  • JMS creates polling transactions even when the API invocations return without a message
  • Support registering MBeans which are added after agent startup

1.10.0 - 2019/09/30

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Features
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  • Add ability to manually specify reported hostname
  • Add support for Redis Jedis client.
  • Add support for identifying target JVM to attach apm agent to using JVM property. See also the documentation of the --include and --exclude flags
  • Added capture_jmx_metrics configuration option
  • Improve servlet error capture #812 Among others, now also takes Spring MVC `@ExceptionHandler`s into account
  • Instrument Logger#error(String, Throwable) #821 Automatically captures exceptions when calling logger.error("message", exception)
  • Easier log correlation with https://github.com/elastic/java-ecs-logging. See docs.
  • Avoid creating a temp agent file for each attachment #859
  • Instrument View#render instead of DispatcherServlet#render #829 This makes the transaction breakdown graph more useful. Instead of dispatcher-servlet, the graph now shows a type which is based on the view name, for example, FreeMarker or Thymeleaf.
Bug Fixes
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  • Error in log when setting server_urls to an empty string - co.elastic.apm.agent.configuration.ApmServerConfigurationSource - Expected previousException not to be null
  • Avoid terminating the TCP connection to APM Server when polling for configuration updates #823

1.9.0 - 2019/08/22

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Features
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  • Upgrading supported OpenTracing version from 0.31 to 0.33
  • Added annotation and meta-annotation matching support for trace_methods, for example:

    • public @java.inject.* org.example.* (for annotation)
    • public @@javax.enterprise.context.NormalScope org.example.* (for meta-annotation)
  • The runtime attachment now also works when the tools.jar or the jdk.attach module is not available. This means you don’t need a full JDK installation - the JRE is sufficient. This makes the runtime attachment work in more environments such as minimal Docker containers. Note that the runtime attachment currently does not work for OSGi containers like those used in many application servers such as JBoss and WildFly. See the documentation for more information.
  • Support for Hibernate Search
Bug Fixes
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  • A warning in logs saying APM server is not available when using 1.8 with APM server 6.x. Due to that, agent 1.8.0 will silently ignore non-string labels, even if used with APM server of versions 6.7.x or 6.8.x that support such. If APM server version is <6.7 or 7.0+, this should have no effect. Otherwise, upgrade the Java agent to 1.9.0+.
  • ApacheHttpAsyncClientInstrumentation matching increases startup time considerably
  • Log correlation feature is active when active==false
  • Tomcat’s memory leak prevention mechanism is causing a…​ memory leak. JDBC statement map is leaking in Tomcat if the application that first used it is undeployed/redeployed. See this related discussion.
Breaking Changes
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  • The apm-agent-attach.jar is not executable anymore. Use apm-agent-attach-standalone.jar instead.

1.8.0 - 2019/07/30

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Features
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  • Added support for tracking time spent by span type. Can be disabled by setting breakdown_metrics to false.
  • Added support for central configuration. Can be disabled by setting central_config to false.
  • Added support for Spring’s JMS flavor - instrumenting org.springframework.jms.listener.SessionAwareMessageListener
  • Added support to legacy ApacheHttpClient APIs (which adds support to Axis2 configured to use ApacheHttpClient)
  • Added support for setting server_urls dynamically via properties file #723
  • Added config_file option
  • Added option to use @javax.ws.rs.Path value as transaction name use_jaxrs_path_as_transaction_name
  • Instrument quartz jobs docs
  • SQL parsing improvements #696
  • Introduce priorities for transaction name #748. Now uses the path as transaction name if use_path_as_transaction_name is set to true rather than ServletClass#doGet. But if a name can be determined from a high level framework, like Spring MVC, that takes precedence. User-supplied names from the API always take precedence over any others.
  • Use JSP path name as transaction name as opposed to the generated servlet class name #751
Bug Fixes
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  • Some JMS Consumers and Producers are filtered due to class name filtering in instrumentation matching
  • Jetty: When no display name is set and context path is "/" transaction service names will now correctly fall back to configured values
  • JDBC’s executeBatch is not traced
  • Drops non-String labels when connected to APM Server < 6.7 to avoid validation errors #687
  • Parsing container ID in cloud foundry garden #695
  • Automatic instrumentation should not override manual results #752
Breaking changes
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  • The log correlation feature does not add span.id to the MDC anymore but only trace.id and transaction.id #742.

1.7.0 - 2019/06/13

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Features
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  • Added the trace_methods_duration_threshold config option. When using the trace_methods config option with wild cards, this enables considerable reduction of overhead by limiting the number of spans captured and reported (see more details in config documentation). NOTE: Using wildcards is still not the recommended approach for the trace_methods feature.
  • Add Transaction#addCustomContext(String key, String|Number|boolean value) to public API
  • Added support for AsyncHttpClient 2.x
  • Added global_labels configuration option. This requires APM Server 7.2+.
  • Added basic support for JMS- distributed tracing for basic scenarios of send, receive, receiveNoWait and onMessage. Both Queues and Topics are supported. Async send APIs are not supported in this version. NOTE: This feature is currently marked as "experimental" and is disabled by default. In order to enable, it is required to set the disable_instrumentations configuration property to an empty string.
  • Improved OSGi support: added a configuration option for bootdelegation packages #641
  • Better span names for SQL spans. For example, SELECT FROM user instead of just SELECT #633
Bug Fixes
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  • ClassCastException related to async instrumentation of Pilotfish Executor causing thread hang (applied workaround)
  • NullPointerException when computing Servlet transaction name with null HTTP method name
  • FileNotFoundException when trying to find implementation version of jar with encoded URL
  • NullPointerException when closing Apache AsyncHttpClient request producer
  • Fixes loading of elasticapm.properties for Spring Boot applications
  • Fix startup error on WebLogic 12.2.1.2.0 #649
  • Disable metrics reporting and APM Server health check when active=false #653

1.6.1 - 2019/04/26

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Bug Fixes
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  • Fixes transaction name for non-sampled transactions #581
  • Makes log_file option work again #594
  • Async context propagation fixes

    • Fixing some async mechanisms lifecycle issues #605
    • Fixes exceptions when using WildFly managed executor services #589
    • Exclude glassfish Executor which does not permit wrapped runnables #596
    • Exclude DumbExecutor #598
  • Fixes Manifest version reading error to support jar:file protocol #601
  • Fixes transaction name for non-sampled transactions #597
  • Fixes potential classloader deadlock by preloading FileSystems.getDefault() #603

1.6.0 - 2019/04/16

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Related Announcements
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  • Java APM Agent became part of the Cloud Foundry Java Buildpack as of Release v4.19
Features
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  • Support Apache HttpAsyncClient - span creation and cross-service trace context propagation
  • Added the jvm.thread.count metric, indicating the number of live threads in the JVM (daemon and non-daemon)
  • Added support for WebLogic
  • Added support for Spring @Scheduled and EJB @Schedule annotations - #569
Bug Fixes
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  • Avoid that the agent blocks server shutdown in case the APM Server is not available - #554
  • Public API annotations improper retention prevents it from being used with Groovy - #567
  • Eliminate side effects of class loading related to Instrumentation matching mechanism

1.5.0 - 2019/03/26

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Potentially breaking changes
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  • If you didn’t explicitly set the service_name previously and you are dealing with a servlet-based application (including Spring Boot), your service_name will change. See the documentation for <<config-service-name[service_name] and the corresponding section in Features for more information. Note: this requires APM Server 7.0+. If using previous versions, nothing will change.
Features
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  • Added property "allow_path_on_hierarchy" to JAX-RS plugin, to lookup inherited usage of @path
  • Support for number and boolean labels in the public API 497. This change also renames tag to label on the API level to be compliant with the Elastic Common Schema (ECS). The addTag(String, String) method is still supported but deprecated in favor of addLabel(String, String). As of version 7.x of the stack, labels will be stored under labels in Elasticsearch. Previously, they were stored under context.tags.
  • Support async queries made by Elasticsearch REST client
  • Added setStartTimestamp(long epochMicros) and end(long epochMicros) API methods to Span and Transaction, allowing to set custom start and end timestamps.
  • Auto-detection of the service_name based on the <display-name> element of the web.xml with a fallback to the servlet context path. If you are using a spring-based application, the agent will use the setting for spring.application.name for its service_name. See the documentation for service_name for more information. Note: this requires APM Server 7.0+. If using previous versions, nothing will change.
  • Previously, enabling capture_body could only capture form parameters. Now it supports all UTF-8 encoded plain-text content types. The option capture_body_content_types controls which `Content-Type`s should be captured.
  • Support async calls made by OkHttp client (Call#enqueue)
  • Added support for providing config options on agent attach.

    • CLI example: --config server_urls=http://localhost:8200,http://localhost:8201
    • API example: ElasticApmAttacher.attach(Map.of("server_urls", "http://localhost:8200,http://localhost:8201"));
Bug Fixes
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  • Logging integration through MDC is not working properly - #499
  • ClassCastException with adoptopenjdk/openjdk11-openj9 - #505
  • Span count limitation is not working properly - reported in our forum
  • Java agent causes Exceptions in Alfresco cluster environment due to failure in the instrumentation of Hazelcast `Executor`s - reported in our forum

1.4.0 - 2019/02/14

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Features
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  • Added support for sync calls of OkHttp client
  • Added support for context propagation for `java.util.concurrent.ExecutorService`s
  • The trace_methods configuration now allows to omit the method matcher. Example: com.example.* traces all classes and methods within the com.example package and sub-packages.
  • Added support for JSF. Tested on WildFly, WebSphere Liberty and Payara with embedded JSF implementation and on Tomcat and Jetty with MyFaces 2.2 and 2.3
  • Introduces a new configuration option disable_metrics which disables the collection of metrics via a wildcard expression.
  • Support for HttpUrlConnection
  • Adds subtype and action to spans. This replaces former typing mechanism where type, subtype and action were all set through the type in an hierarchical dotted-syntax. In order to support existing API usages, dotted types are parsed into subtype and action, however Span.createSpan and Span.setType are deprecated starting this version. Instead, type-less spans can be created using the new Span.startSpan API and typed spans can be created using the new Span.startSpan(String type, String subtype, String action) API
  • Support for JBoss EAP 6.4, 7.0, 7.1 and 7.2
  • Improved startup times
  • Support for SOAP (JAX-WS). SOAP client create spans and propagate context. Transactions are created for @WebService classes and @WebMethod methods.
Bug Fixes
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  • Fixes a failure in BitBucket when agent deployed #349
  • Fixes increased CPU consumption #453 and #443
  • Fixed some OpenTracing bridge functionalities that were not working when auto-instrumentation is disabled
  • Fixed an error occurring when ending an OpenTracing span before deactivating
  • Sending proper null for metrics that have a NaN value
  • Fixes JVM crash with Java 7 #458
  • Fixes an application deployment failure when using EclipseLink and trace_methods configuration #474

1.3.0 - 2019/01/10

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Features
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  • The agent now collects system and JVM metrics #360
  • Add API methods ElasticApm#startTransactionWithRemoteParent and Span#injectTraceHeaders to allow for manual context propagation #396.
  • Added trace_methods configuration option which lets you define which methods in your project or 3rd party libraries should be traced. To create spans for all public methods of classes whose name ends in Service which are in a sub-package of org.example.services use this matcher: public org.example.services.*.*Service#* #398
  • Added span for DispatcherServlet#render #409.
  • Flush reporter on shutdown to make sure all recorded Spans are sent to the server before the program exits #397
  • Adds Kubernetes #383 and Docker metadata to, enabling correlation with the Kibana Infra UI.
  • Improved error handling of the Servlet Async API #399
  • Support async API’s used with AsyncContext.start #388
Bug Fixes
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  • Fixing a potential memory leak when there is no connection with APM server
  • Fixes NoSuchMethodError CharBuffer.flip() which occurs when using the Elasticsearch RestClient and Java 7 or 8 #401

1.2.0 - 2018/12/19

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Features
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  • Added capture_headers configuration option. Set to false to disable capturing request and response headers. This will reduce the allocation rate of the agent and can save you network bandwidth and disk space.
  • Makes the API methods addTag, setName, setType, setUser and setResult fluent, so that calls can be chained.
Bug Fixes
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  • Catch all errors thrown within agent injected code
  • Enable public APIs and OpenTracing bridge to work properly in OSGi systems, fixes this WildFly issue
  • Remove module-info.java to enable agent working on early Tomcat 8.5 versions
  • Fix async Servlet API issue

1.1.0 - 2018/11/28

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Features
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  • Some memory allocation improvements
  • Enabling bootdelegation for agent classes in Atlassian OSGI systems
Bug Fixes
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  • Update dsl-json which fixes a memory leak. See ngs-doo/dsl-json#102 for details.
  • Avoid `VerifyError`s by non instrumenting classes compiled for Java 4 or earlier
  • Enable APM Server URL configuration with path (fixes #339)
  • Reverse system.hostname and system.platform order sent to APM server

1.0.1 - 2018/11/15

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Bug Fixes
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  • Fixes NoSuchMethodError CharBuffer.flip() which occurs when using the Elasticsearch RestClient and Java 7 or 8 #313

1.0.0 - 2018/11/14

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Breaking changes
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  • Remove intake v1 support. This version requires APM Server 6.5.0+ which supports the intake api v2. Until the time the APM Server 6.5.0 is officially released, you can test with docker by pulling the APM Server image via docker pull docker.elastic.co/apm/apm-server:6.5.0-SNAPSHOT.
Features
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  • Adds @CaptureTransaction and @CaptureSpan annotations which let you declaratively add custom transactions and spans. Note that it is required to configure the application_packages for this to work. See the documentation for more information.
  • The public API now supports to activate a span on the current thread. This makes the span available via ElasticApm#currentSpan() Refer to the documentation for more details.
  • Capturing of Elasticsearch RestClient 5.0.2+ calls. Currently, the *Async methods are not supported, only their synchronous counterparts.
  • Added API methods to enable correlating the spans created from the JavaScrip Real User Monitoring agent with the Java agent transaction. More information can be found in the documentation.
  • Added Transaction.isSampled() and Span.isSampled() methods to the public API
  • Added Transaction#setResult to the public API #293
Bug Fixes
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  • Fix for situations where status code is reported as 200, even though it actually was 500 #225
  • Capturing the username now properly works when using Spring security #183

1.0.0.RC1 - 2018/11/06

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Breaking changes
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  • Remove intake v1 support. This version requires APM Server 6.5.0+ which supports the intake api v2. Until the time the APM Server 6.5.0 is officially released, you can test with docker by pulling the APM Server image via docker pull docker.elastic.co/apm/apm-server:6.5.0-SNAPSHOT.
  • Wildcard patterns are case insensitive by default. Prepend (?-i) to make the matching case sensitive.
Features
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  • Support for Distributed Tracing
  • Adds @CaptureTransaction and @CaptureSpan annotations which let you declaratively add custom transactions and spans. Note that it is required to configure the application_packages for this to work. See the documentation for more information.
  • The public API now supports to activate a span on the current thread. This makes the span available via ElasticApm#currentSpan() Refer to the documentation for more details.
  • Capturing of Elasticsearch RestClient 5.0.2+ calls. Currently, the *Async methods are not supported, only their synchronous counterparts.
  • Added API methods to enable correlating the spans created from the JavaScrip Real User Monitoring agent with the Java agent transaction. More information can be found in the documentation.
  • Microsecond accurate timestamps #261
  • Support for JAX-RS annotations. Transactions are named based on your resources (ResourceClass#resourceMethod).
Bug Fixes
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  • Fix for situations where status code is reported as 200, even though it actually was 500 #225