[GitHub] [flink] yanghua opened a new pull request #9720: [FLINK-13025] Elasticsearch 7.x support

[GitBox <gi...@apache.org>]

yanghua opened a new pull request #9720: [FLINK-13025] Elasticsearch 7.x support
URL: https://github.com/apache/flink/pull/9720
 
 
   ## What is the purpose of the change
   
   *This pull request implemented a new elasticsearch connector to support elasticsearch 7.x*
   
   ## Brief change log
   
     - *Implemented a new connector to support elasticsearch 7.x client*
     - *Make old test support elasticsearch 7.x client*
   
   
   ## Verifying this change
   
   This change is already covered by existing tests, such as *ElasticsearchSinkITCase and Elasticsearch7UpsertTableSinkFactoryTest*.
   
   
   ## Does this pull request potentially affect one of the following parts:
   
     - Dependencies (does it add or upgrade a dependency): (yes / **no**)
     - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**)
     - The serializers: (yes / **no** / don't know)
     - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know)
     - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know)
     - The S3 file system connector: (yes / **no** / don't know)
   
   ## Documentation
   
     - Does this pull request introduce a new feature? (**yes** / no)
     - If yes, how is the feature documented? (not applicable / **docs** / **JavaDocs** / not documented)
   

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