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Elastic Docs ›Java Transport Client (deprecated) [7.17]

Client

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Client

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You can use the Java client in multiple ways:

  • Perform standard index, get, delete and search operations on an existing cluster
  • Perform administrative tasks on a running cluster

Obtaining an Elasticsearch Client is simple. The most common way to get a client is by creating a TransportClient that connects to a cluster.

The client must have the same major version (e.g. 2.x, or 5.x) as the nodes in the cluster. Clients may connect to clusters which have a different minor version (e.g. 2.3.x) but it is possible that new functionality may not be supported. Ideally, the client should have the same version as the cluster.

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