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https://issues.apache.org/jira/browse/ZOOKEEPER-4269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mohammad Arshad updated ZOOKEEPER-4269:
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Fix Version/s: 3.7.1
3.8.0
3.6.3
> acceptedEpoch.tmp rename failure will cause server startup error
> ----------------------------------------------------------------
>
> Key: ZOOKEEPER-4269
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4269
> Project: ZooKeeper
> Issue Type: Bug
> Reporter: Mohammad Arshad
> Assignee: Mohammad Arshad
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.6.3, 3.8.0, 3.7.1
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> accepted epoch is first written to temporary file acceptedEpoch.tmp then this
> file is renamed to acceptedEpoch.
> Failure, either because of exception or power-off, in renaming the
> acceptedEpoch.tmp file will cause server startup error with message "The
> current epoch, x, is older than the last zxid y"
> To handle this scenario we should read accepted epoch from this temp file as
> well.
> For more context, refer https://github.com/apache/zookeeper/pull/1109
>
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