Pavel created KAFKA-6141:
----------------------------

             Summary: Errors logs when running 
integration/kafka/tools/MirrorMakerIntegrationTest
                 Key: KAFKA-6141
                 URL: https://issues.apache.org/jira/browse/KAFKA-6141
             Project: Kafka
          Issue Type: Improvement
          Components: unit tests
            Reporter: Pavel
            Priority: Trivial


There are some error logs when running Tests extended from 
ZooKeeperTestHarness, for example 
integration/kafka/tools/MirrorMakerIntegrationTest:

[2017-10-27 18:28:02,557] ERROR ZKShutdownHandler is not registered, so 
ZooKeeper server won't take any action on ERROR or SHUTDOWN server state 
changes (org.apache.zookeeper.server.ZooKeeperServer:472)
[2017-10-27 18:28:09,110] ERROR ZKShutdownHandler is not registered, so 
ZooKeeper server won't take any action on ERROR or SHUTDOWN server state 
changes (org.apache.zookeeper.server.ZooKeeperServer:472)

And these logs have no impact on test results. I think it would be great to 
eliminate these logs from output by providing a ZKShutdownHandler.



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