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Posted to dev@kafka.apache.org by "Matthias J. Sax (JIRA)" <ji...@apache.org> on 2017/08/30 18:57:01 UTC
[jira] [Resolved] (KAFKA-5786) Yet another exception is causing
that streamming app is zombie
[ https://issues.apache.org/jira/browse/KAFKA-5786?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matthias J. Sax resolved KAFKA-5786.
------------------------------------
Resolution: Duplicate
> Yet another exception is causing that streamming app is zombie
> --------------------------------------------------------------
>
> Key: KAFKA-5786
> URL: https://issues.apache.org/jira/browse/KAFKA-5786
> Project: Kafka
> Issue Type: Bug
> Reporter: Seweryn Habdank-Wojewodzki
> Attachments: fatal-errors-by-rebalancing.zip
>
>
> Not handled exception in streamming app causes zombie state of the process.
> {code}
> 2017-08-24 15:17:40 WARN StreamThread:978 - stream-thread [kafka-endpoint-1236e6d5-75f0-4c14-b025-78e632484a26-StreamThread-3] Unexpected state transition from RUNNING to DEAD.
> 2017-08-24 15:17:40 FATAL StreamProcessor:67 - Caught unhandled exception: stream-thread [kafka-endpoint-1236e6d5-75f0-4c14-b025-78e632484a26-StreamThread-3] Failed to rebalance.; [org.apache.kafka.streams.processor.internals.StreamThread.pollRequests(StreamThread.java:589), org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:553), org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:527)] in thread kafka-endpoint-1236e6d5-75f0-4c14-b025-78e632484a26-StreamThread-3
> {code}
> The final state of the app is similar to KAFKA-5779, but the exception and its location is in different place.
> The exception shall be handled in the way that either application tries to continue working or shall completely quit if the error is not recoverable.
> Current situation when application is zombie is not good.
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