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https://issues.apache.org/jira/browse/KAFKA-2150?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512519#comment-14512519
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Sriharsha Chintalapani commented on KAFKA-2150:
-----------------------------------------------
Created reviewboard https://reviews.apache.org/r/33551/diff/
against branch origin/trunk
> FetcherThread backoff need to grab lock before wait on condition.
> -----------------------------------------------------------------
>
> Key: KAFKA-2150
> URL: https://issues.apache.org/jira/browse/KAFKA-2150
> Project: Kafka
> Issue Type: Bug
> Reporter: Jiangjie Qin
> Labels: newbie++
> Attachments: KAFKA-2150.patch
>
>
> Saw the following error:
> kafka.api.ProducerBounceTest > testBrokerFailure STANDARD_OUT
> [2015-04-25 00:40:43,997] ERROR [ReplicaFetcherThread-0-0], Error due to
> (kafka.server.ReplicaFetcherThread:103)
> java.lang.IllegalMonitorStateException
> at
> java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:127)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1239)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.fullyRelease(AbstractQueuedSynchronizer.java:1668)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2107)
> at
> kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:95)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)
> [2015-04-25 00:40:47,064] ERROR [ReplicaFetcherThread-0-1], Error due to
> (kafka.server.ReplicaFetcherThread:103)
> java.lang.IllegalMonitorStateException
> at
> java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:127)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1239)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.fullyRelease(AbstractQueuedSynchronizer.java:1668)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2107)
> at
> kafka.server.AbstractFetcherThread.doWork(AbstractFetcherThread.scala:95)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:60)
> We should grab the lock before waiting on the condition.
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