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Posted to dev@curator.apache.org by "Philip Searle (JIRA)" <ji...@apache.org> on 2016/03/14 14:35:33 UTC

[jira] [Created] (CURATOR-308) SimpleDistributedQueue::take() hangs if container nodes are removed

Philip Searle created CURATOR-308:
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             Summary: SimpleDistributedQueue::take() hangs if container nodes are removed
                 Key: CURATOR-308
                 URL: https://issues.apache.org/jira/browse/CURATOR-308
             Project: Apache Curator
          Issue Type: Bug
          Components: Recipes
    Affects Versions: 3.1.0
            Reporter: Philip Searle


SimpleDistributedQueue creates the queue using container nodes if the ZooKeeper instance supports this feature. If ZooKeeper runs the container node cleanup task while SimpleDistributedQueue::take() is blocking, the call will not ever return.

A similar issue occurs when calling poll(), resulting in it delaying until the timeout has elapsed, even if a queue item was inserted after the container cleanup occurs.



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