Andreas Neumann created TWILL-133:
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             Summary: ZookeeperClientService may hang at startup and then 
cannot be stopped
                 Key: TWILL-133
                 URL: https://issues.apache.org/jira/browse/TWILL-133
             Project: Apache Twill
          Issue Type: Bug
            Reporter: Andreas Neumann


If the Zookeeper quorum is configured incorrectly, then the ZK client service 
will wait for ZK to come up, and it won't start until it can connect to ZK. 
While it is in this state, it can now not be stopped, because stop() will wait 
for the state to become RUNNING before it does anything. 

There should be a way to stop a service that hangs at startup. 



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