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https://issues.apache.org/jira/browse/KAFKA-1106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13808715#comment-13808715
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Jay Kreps commented on KAFKA-1106:
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Is there any chance the file was manually modified? I don't see how we could
get a blank line like that otherwise. The parsing code on trunk is a bit more
robust (still not perfect) but I guess the question is whether kafka generated
a corrupt file or it was munged manually...
> HighwaterMarkCheckpoint failure puting broker into a bad state
> --------------------------------------------------------------
>
> Key: KAFKA-1106
> URL: https://issues.apache.org/jira/browse/KAFKA-1106
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Reporter: David Lao
> Attachments: KAFKA-1106-patch, kafka.log
>
>
> I'm encountering a case where broker get stuck due to HighwaterMarkCheckpoint
> failing to recover from reading what appear to be corrupted isr entries. Once
> in this state, leader election can never succeed and hence stalling the
> entire cluster.
> Please see the detailed stack trace from the attached log. Perhaps failing
> fast when HighwaterMarkCheckpoint fails to read would force the broker to
> restart and recover.
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