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From "Enrico Olivelli (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-2488) Unsynchronized access to shuttingDownLE in QuorumPeer
Date Fri, 06 Sep 2019 15:46:08 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Enrico Olivelli updated ZOOKEEPER-2488:
---------------------------------------
    Fix Version/s:     (was: 3.5.6)

> Unsynchronized access to shuttingDownLE in QuorumPeer
> -----------------------------------------------------
>
>                 Key: ZOOKEEPER-2488
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2488
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: server
>    Affects Versions: 3.5.2
>            Reporter: Michael Han
>            Assignee: gaoshu
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.6.0, 3.5.7
>
>          Time Spent: 40m
>  Remaining Estimate: 0h
>
> Access to shuttingDownLE in QuorumPeer is not synchronized here:
> https://github.com/apache/zookeeper/blob/3c37184e83a3e68b73544cebccf9388eea26f523/src/java/main/org/apache/zookeeper/server/quorum/QuorumPeer.java#L1066
> https://github.com/apache/zookeeper/blob/3c37184e83a3e68b73544cebccf9388eea26f523/src/java/main/org/
> The access should be synchronized as the same variable might be accessed 
> in QuormPeer::restartLeaderElection, which is synchronized.



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