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https://issues.apache.org/jira/browse/ZOOKEEPER-3445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Halterman resolved ZOOKEEPER-3445.
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Resolution: Invalid
> Concurrency issue in ReferenceCountedACLCache
> ---------------------------------------------
>
> Key: ZOOKEEPER-3445
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3445
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Affects Versions: 3.5.5, 3.4.14
> Reporter: Jonathan Halterman
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> While debugging some unexpected "ACL not available for long" exceptions we
> were seeing, I noticed that ReferenceCountedACLCache does not mark aclIndex
> as volatile, which it should since it appears to be read from multiple
> threads. This may or may not be the cause of the behavior we're seeing, but
> should be fixed regardless.
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