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https://issues.apache.org/jira/browse/ZOOKEEPER-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth resolved ZOOKEEPER-4460.
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Resolution: Fixed
> QuorumPeer overrides Thread.getId with different semantics
> ----------------------------------------------------------
>
> Key: ZOOKEEPER-4460
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4460
> Project: ZooKeeper
> Issue Type: Bug
> Components: server
> Reporter: Alan Bateman
> Assignee: Chris Nauroth
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.8.1, 3.7.2
>
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> In OpenJDK, Project Loom has significantly re-implemented java.lang.Thread.
> One part of this is using some of the bits in the thread identifier for
> non-exposed purposes. Sadly, Thread::getId is not final and it's possible
> that sub-classes of Thread have overridden getId to have different semantics.
> The JDK can defend against this but there may be 3rd party libraries that
> make use of Thread::getId. A corpus search of Maven central found only one
> class: org.apache.zookeeper.server.quorum.QuorumPeer. Does this project know
> why getId has been overridden to return something that is not the thread
> identifier?
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