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https://issues.apache.org/jira/browse/KAFKA-434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jun Rao reassigned KAFKA-434:
-----------------------------
Assignee: Jun Rao
> IllegalMonitorStateException in ReplicaManager.makerFollower
> ------------------------------------------------------------
>
> Key: KAFKA-434
> URL: https://issues.apache.org/jira/browse/KAFKA-434
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8
> Reporter: Jun Rao
> Assignee: Jun Rao
> Labels: bugs
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Saw the following exception in kafka.server.LeaderElectionTest. It seems that
> the lock may not be acquired before unlocking.
> java.lang.IllegalMonitorStateException
> at
> java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:127)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1175)
> at
> java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:431)
> at kafka.server.ReplicaManager.makeFollower(ReplicaManager.scala:233)
> at kafka.server.KafkaServer.makeFollower(KafkaServer.scala:164)
> at
> kafka.server.KafkaServer$$anonfun$startup$7.apply(KafkaServer.scala:101)
> at
> kafka.server.KafkaServer$$anonfun$startup$7.apply(KafkaServer.scala:101)
> at
> kafka.server.KafkaApis$$anonfun$handleLeaderAndISRRequest$2.apply(KafkaApis.scala:99)
> at
> kafka.server.KafkaApis$$anonfun$handleLeaderAndISRRequest$2.apply(KafkaApis.scala:74)
> at
> scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:80)
> at
> scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:80)
> at scala.collection.Iterator$class.foreach(Iterator.scala:631)
> at
> scala.collection.mutable.HashTable$$anon$1.foreach(HashTable.scala:161)
> at
> scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:194)
> at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)
> at scala.collection.mutable.HashMap.foreach(HashMap.scala:80)
> at kafka.server.KafkaApis.handleLeaderAndISRRequest(KafkaApis.scala:74)
> at kafka.server.KafkaApis.handle(KafkaApis.scala:62)
> at kafka.server.KafkaRequestHandler.run(KafkaRequestHandler.scala:38)
> at java.lang.Thread.run(Thread.java:637)
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