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https://issues.apache.org/jira/browse/KAFKA-3318?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15189810#comment-15189810
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ASF GitHub Bot commented on KAFKA-3318:
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Github user asfgit closed the pull request at:
https://github.com/apache/kafka/pull/1036
> Improve consumer rebalance error messaging
> ------------------------------------------
>
> Key: KAFKA-3318
> URL: https://issues.apache.org/jira/browse/KAFKA-3318
> Project: Kafka
> Issue Type: Improvement
> Reporter: Jason Gustafson
> Assignee: Jason Gustafson
> Fix For: 0.10.0.0
>
>
> A common problem with the new consumer is to have message processing take
> longer than the session timeout, causing an unexpected rebalance.
> Unfortunately, when this happens, the error messages are often cryptic (e.g.
> something about illegal generation) and contain no clear advice on what to do
> (e.g. increase session timeout). We should do a pass on error messages to
> ensure that users receive clear guidance on the problem and possible
> solutions.
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