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https://issues.apache.org/jira/browse/CURATOR-121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cameron McKenzie reassigned CURATOR-121:
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Assignee: Cameron McKenzie
> PathChildrenCache is throwing an InterruptedException when being closed
> -----------------------------------------------------------------------
>
> Key: CURATOR-121
> URL: https://issues.apache.org/jira/browse/CURATOR-121
> Project: Apache Curator
> Issue Type: Bug
> Components: Recipes
> Affects Versions: 2.5.0, 2.6.0
> Reporter: Corey J. Nolet
> Assignee: Cameron McKenzie
> Priority: Critical
>
> I have a server which is using the PathChildrenCache with the LeaderSelector
> so that I can keep track of changes in leadership for a particular znode.
> Upon closing the PathChildrenCache, I intermittently receive an
> InterruptedException like the following:
> {code}
> java.lang.InterruptedException
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1038)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1326)
> at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:282)
> at
> org.apache.curator.CuratorZookeeperClient.internalBlockUntilConnectedOrTimedOut(CuratorZookeeperClient.java:324)
> at org.apache.curator.RetryLoop.callWithRetry(RetryLoop.java:105)
> at
> org.apache.curator.utils.EnsurePath$InitialHelper.ensure(EnsurePath.java:140)
> at org.apache.curator.utils.EnsurePath.ensure(EnsurePath.java:99)
> at
> org.apache.curator.framework.recipes.cache.PathChildrenCache.refresh(PathChildrenCache.java:481)
> at
> org.apache.curator.framework.recipes.cache.RefreshOperation.invoke(RefreshOperation.java:35)
> at
> org.apache.curator.framework.recipes.cache.PathChildrenCache$10.run(PathChildrenCache.java:762)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:724)
> {code}
> It doesn't happen all the time but it does happen about 2-3 times in a test
> suite that's creating and stopping the server about 60 times total.
> [~randgalt] mentioned on the mailing list that this may be a bug in the
> framework.
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