[KAFKA-1533] transient unit test failure in ProducerFailureHandlingTest

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.2.0
• Fix Version/s: 0.8.2.0
• Component/s: core
• Assignee: Guozhang Wang
• Reporter: Jun Rao
• Created: 10/Jul/14 16:35
• Updated: 10/Sep/14 00:43
• Resolved: 10/Sep/14 00:43

Description

Occasionally, saw the test hang on tear down. The following is the stack trace.

"Test worker" prio=5 tid=7f9246956000 nid=0x10e078000 in Object.wait() [10e075000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)

• waiting on <7f4e69578> (a org.apache.zookeeper.ClientCnxn$Packet)
  at java.lang.Object.wait(Object.java:485)
  at org.apache.zookeeper.ClientCnxn.submitRequest(ClientCnxn.java:1344)
• locked <7f4e69578> (a org.apache.zookeeper.ClientCnxn$Packet)
  at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:732)
  at org.I0Itec.zkclient.ZkConnection.delete(ZkConnection.java:91)
  at org.I0Itec.zkclient.ZkClient$8.call(ZkClient.java:720)
  at org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:675)
  at org.I0Itec.zkclient.ZkClient.delete(ZkClient.java:716)
  at kafka.utils.ZkUtils$.deletePath(ZkUtils.scala:416)
  at kafka.utils.ZkUtils$.deregisterBrokerInZk(ZkUtils.scala:184)
  at kafka.server.KafkaHealthcheck.shutdown(KafkaHealthcheck.scala:50)
  at kafka.server.KafkaServer$$anonfun$shutdown$2.apply$mcV$sp(KafkaServer.scala:243)
  at kafka.utils.Utils$.swallow(Utils.scala:172)
  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:243)
  at kafka.api.ProducerFailureHandlingTest.tearDown(ProducerFailureHandlingTest.scala:90)