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https://issues.apache.org/jira/browse/ZOOKEEPER-1972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hongchao Deng updated ZOOKEEPER-1972:
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Attachment: ZOOKEEPER-1972.patch
> Use AtomicLong for logical clock
> --------------------------------
>
> Key: ZOOKEEPER-1972
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1972
> Project: ZooKeeper
> Issue Type: Sub-task
> Reporter: Hongchao Deng
> Assignee: Hongchao Deng
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-1972.patch
>
>
> The findbugs complains about incrementing a volatile variable in
> [AuthFastLeaderElection|https://github.com/apache/zookeeper/blob/087abf83684167ae56864fe4c3be0079fa653266/src/java/main/org/apache/zookeeper/server/quorum/AuthFastLeaderElection.java#L737]:
> {code}
> volatile long logicalclock; /* Election instance */
> ...
> logicalclock++;
> {code}
> Actually this is a bug. It should use AtomicLong here instead of volatile.
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