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From "John Roesler (Jira)" <j...@apache.org>
Subject [jira] [Resolved] (KAFKA-9734) Streams IllegalStateException in trunk during rebalance
Date Fri, 20 Mar 2020 15:20:00 GMT

     [ https://issues.apache.org/jira/browse/KAFKA-9734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Roesler resolved KAFKA-9734.
---------------------------------
    Resolution: Fixed

> Streams IllegalStateException in trunk during rebalance
> -------------------------------------------------------
>
>                 Key: KAFKA-9734
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9734
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams
>            Reporter: John Roesler
>            Assignee: John Roesler
>            Priority: Major
>
> I have observed the following exception to kill a thread in the current trunk of Streams:
> {noformat}
> [2020-03-19 07:04:35,206] ERROR [stream-soak-test-e60443b4-aa2d-4107-abf7-ce90407cb70e-StreamThread-1]
stream-thread [stream-soak-test-e60443b4-aa    2d-4107-abf7-ce90407cb70e-StreamThread-1] Encountered
the following exception during processing and the thread is going to shut down:  (org.apache.kafka.streams.processor.internals.StreamThread)
> java.lang.IllegalStateException: The changelog reader is not restoring active tasks while
trying to transit to update standby tasks: {}
>         at org.apache.kafka.streams.processor.internals.StoreChangelogReader.transitToUpdateStandby(StoreChangelogReader.java:303)
                                                                                         
              
>         at org.apache.kafka.streams.processor.internals.StreamThread.runOnce(StreamThread.java:582)
>         at org.apache.kafka.streams.processor.internals.StreamThread.runLoop(StreamThread.java:498)
>         at org.apache.kafka.streams.processor.internals.StreamThread.run(StreamThread.java:472){noformat}
> Judging from the fact that the standby tasks are reported as an empty set, I think this
is just a missed case in the task manager. PR to follow shortly.



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