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Posted to issues@beam.apache.org by "Micah Whitacre (JIRA)" <ji...@apache.org> on 2018/11/02 19:56:00 UTC

[jira] [Commented] (BEAM-5375) KafkaIO reader should handle runtime exceptions kafka client

    [ https://issues.apache.org/jira/browse/BEAM-5375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16673607#comment-16673607 ] 

Micah Whitacre commented on BEAM-5375:
--------------------------------------

Is this issue technically done?  The Github PRs got merged into 2.7 and that's been released.

> KafkaIO reader should handle runtime exceptions kafka client
> ------------------------------------------------------------
>
>                 Key: BEAM-5375
>                 URL: https://issues.apache.org/jira/browse/BEAM-5375
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-kafka
>    Affects Versions: 2.7.0
>            Reporter: Raghu Angadi
>            Assignee: Raghu Angadi
>            Priority: Major
>          Time Spent: 1h 50m
>  Remaining Estimate: 0h
>
> KafkaIO reader might stop reading from Kafka without any explicit error message if KafkaConsumer throws a runtime exception while polling for messages. One of the Dataflow customers encountered this issue (see [user@ thread|https://lists.apache.org/thread.html/c0cf8f45f567a0623592e2d8340f5288e3e774b59bca985aec410a81@%3Cuser.beam.apache.org%3E])]
> 'consumerPollThread()' in KafkaIO deliberately avoided catching runtime exceptions. It shoud handle it.. stuff happens at runtime. 
> It should result in 'IOException' from start()/advance(). The runners will handle properly reporting and closing the readers. 



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