[ https://issues.apache.org/jira/browse/KAFKA-212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Neha Narkhede updated KAFKA-212: -------------------------------- Resolution: Fixed Status: Resolved (was: Patch Available) Fix is committed > IllegalThreadStateException in topic watcher for Kafka mirroring > ---------------------------------------------------------------- > > Key: KAFKA-212 > URL: https://issues.apache.org/jira/browse/KAFKA-212 > Project: Kafka > Issue Type: Bug > Reporter: Neha Narkhede > Assignee: Neha Narkhede > Fix For: 0.7.1 > > Attachments: KAFKA-212.patch > > > If the kafka mirroring embedded consumer receives a new topic watcher > notification, it runs into the following exception > [2011-11-23 02:49:15,612] FATAL java.lang.IllegalThreadStateException > (kafka.consumer.ZookeeperTopicEventWatcher) > [2011-11-23 02:49:15,612] FATAL java.lang.IllegalThreadStateException > at java.lang.Thread.start(Thread.java:595) > at > kafka.server.EmbeddedConsumer$$anonfun$startNewConsumerThreads$3.apply(KafkaServerStartable.scala:142) > at > kafka.server.EmbeddedConsumer$$anonfun$startNewConsumerThreads$3.apply(KafkaServerStartable.scala:142) > at > scala.collection.LinearSeqOptimized$class.foreach(LinearSeqOptimized.scala:61) > at scala.collection.immutable.List.foreach(List.scala:45) > at > kafka.server.EmbeddedConsumer.startNewConsumerThreads(KafkaServerStartable.scala:142) > at > kafka.server.EmbeddedConsumer.handleTopicEvent(KafkaServerStartable.scala:109) > at > kafka.consumer.ZookeeperTopicEventWatcher$ZkTopicEventListener.liftedTree2$1(ZookeeperTopicEventWatcher.scala:83) > at > kafka.consumer.ZookeeperTopicEventWatcher$ZkTopicEventListener.handleChildChange(ZookeeperTopicEventWatcher.scala:78) > at org.I0Itec.zkclient.ZkClient$7.run(ZkClient.java:568) > at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71) > (kafka.consumer.ZookeeperTopicEventWatcher) > This happens since it tries to start a thread which has finished executing -- 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