Spurious log error messages when QuorumCnxManager is shutting down
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Key: ZOOKEEPER-1440
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1440
Project: ZooKeeper
Issue Type: Bug
Components: quorum, server
Affects Versions: 3.4.3
Reporter: Jordan Zimmerman
Priority: Minor
When shutting down the QuroumPeer, ZK server logs unnecessary errors. See
QuorumCnxManager.Listener.run() - ss.accept() will throw an exception when it
is closed. The catch (IOException e) will log errors. It should first check the
shutdown field to see if the Listener is being shutdown. If it is, the
exception is correct and no errors should be logged.
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