[KAFKA-1391] transient unit test failure in DeleteTopicTest.testPreferredReplicaElectionDuringDeleteTopic

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.2.0
• Fix Version/s: 0.8.2.0
• Assignee: Unassigned
• Reporter: Jun Rao
• Created: 13/Apr/14 22:11
• Updated: 16/Apr/14 15:55
• Resolved: 16/Apr/14 15:55

Description

The test hang due to the following deadlock.

"Test worker" prio=5 tid=7fd40c0b2800 nid=0x114ebd000 waiting on condition [114eb9000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)

• parking to wait for <7f40b2aa0> (a java.util.concurrent.CountDownLatch$Sync)
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281)
  at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:207)
  at kafka.utils.ShutdownableThread.shutdown(ShutdownableThread.scala:36)
  at kafka.controller.TopicDeletionManager.shutdown(TopicDeletionManager.scala:105)
  at kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply$mcV$sp(KafkaController.scala:344)
  at kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:340)
  at kafka.controller.KafkaController$$anonfun$onControllerResignation$1.apply(KafkaController.scala:340)
  at kafka.utils.Utils$.inLock(Utils.scala:537)
  at kafka.controller.KafkaController.onControllerResignation(KafkaController.scala:340)
  at kafka.controller.KafkaController$$anonfun$shutdown$1.apply$mcV$sp(KafkaController.scala:647)
  at kafka.controller.KafkaController$$anonfun$shutdown$1.apply(KafkaController.scala:645)
  at kafka.controller.KafkaController$$anonfun$shutdown$1.apply(KafkaController.scala:645)
  at kafka.utils.Utils$.inLock(Utils.scala:537)
  at kafka.controller.KafkaController.shutdown(KafkaController.scala:645)
  at kafka.server.KafkaServer$$anonfun$shutdown$9.apply$mcV$sp(KafkaServer.scala:242)
  at kafka.utils.Utils$.swallow(Utils.scala:166)
  at kafka.utils.Logging$class.swallowWarn(Logging.scala:92)
  at kafka.utils.Utils$.swallowWarn(Utils.scala:45)
  at kafka.utils.Logging$class.swallow(Logging.scala:94)
  at kafka.utils.Utils$.swallow(Utils.scala:45)
  at kafka.server.KafkaServer.shutdown(KafkaServer.scala:242)
  at kafka.admin.DeleteTopicTest.testPreferredReplicaElectionDuringDeleteTopic(DeleteTopicTest.scala:163)

"delete-topics-thread" prio=5 tid=7fd409ad2000 nid=0x11b0c2000 waiting on condition [11b0c1000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)

• parking to wait for <7f40a7048> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
  at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:842)
  at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1178)
  at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
  at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
  at kafka.utils.Utils$.inLock(Utils.scala:535)
  at kafka.controller.TopicDeletionManager$DeleteTopicsThread.doWork(TopicDeletionManager.scala:376)
  at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:51)