[ https://issues.apache.org/jira/browse/KAFKA-434?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jun Rao closed KAFKA-434. ------------------------- > 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 > Fix For: 0.8 > > 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) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira