[jira] [Created] (TWILL-38) RewatchOnExpireZKClient should not add a wrapped watcher if the input watcher is null

[Poorna Chandra (JIRA)]

Poorna Chandra created TWILL-38:
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             Summary: RewatchOnExpireZKClient should not add a wrapped watcher 
if the input watcher is null
                 Key: TWILL-38
                 URL: https://issues.apache.org/jira/browse/TWILL-38
             Project: Apache Twill
          Issue Type: Bug
            Reporter: Poorna Chandra
            Assignee: Poorna Chandra


RewatchOnExpireZKClient adds a wrapped watcher even when the input watcher is 
null. This leads to watchers getting accumulated over time if the watches don't 
fire, and leads to Out of Memory.

Thanks,
Poorna.




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