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Elasticsearch for Apache Hadoop version 6.4.0

Elasticsearch for Apache Hadoop version 6.4.0

New Features

Core

Add ability to specify sensitive settings through a keystore #1174

Serialization

Introduce error handler for serialization failures #1128 #1149 #1153

Enhancements

REST

Fill bulk errors with nested error causes #1115 #1143
Log at debug level when bulk operations complete #1122
An HTTP line is larger than 4096 bytes #1154

Error Handlers

Elasticsearch Generic Error Handler #1167
Unify base error handler implementations #1163

Build

Upgrade Scala minor version to support Java 9/10 #1155

Bug Fixes

REST

HttpStatus.GATEWAY_TIMEOUT should be 504, is 50 #1147

Documentation

Breaking up the Spark documentation page into sub pages #1151

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