Alan Bateman created ZOOKEEPER-4460:
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Summary: 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
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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