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https://issues.apache.org/jira/browse/FLINK-30998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17688142#comment-17688142
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Leonid Ilyevsky commented on FLINK-30998:
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Hi [~reta] ,
> Sorry, I didn't get the context for this one. You mean using 1.x client (the
> connector's default) with OpenSearch 2.x cluster, is that right?
Correct. The 1.x client when used against 2.x server failed on parsing the
response. I fixed it in my project by explicitly specifying 2.5.0 dependency.
> Add optional exception handler to flink-connector-opensearch
> ------------------------------------------------------------
>
> Key: FLINK-30998
> URL: https://issues.apache.org/jira/browse/FLINK-30998
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Opensearch
> Affects Versions: 1.16.1
> Reporter: Leonid Ilyevsky
> Priority: Major
>
> Currently, when there is a failure coming from Opensearch, the
> FlinkRuntimeException is thrown from OpensearchWriter.java code (line 346).
> This makes the Flink pipeline fail. There is no way to handle the exception
> in the client code.
> I suggest to add an option to set a failure handler, similar to the way it is
> done in elasticsearch connector. This way the client code has a chance to
> examine the failure and handle it.
> Here is the use case example when it will be very useful. We are using
> streams on Opensearch side, and we are setting our own document IDs.
> Sometimes these IDs are duplicated; we need to ignore this situation and
> continue (this way it works for us with Elastisearch).
> However, with opensearch connector, the error comes back, saying that the
> batch failed (even though most of the documents were indexed, only the ones
> with duplicated IDs were rejected), and the whole flink job fails.
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