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IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Java API [7.8]

Client

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IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.

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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