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Vaibhav Puranik commented on KAFKA-417: --------------------------------------- I am using kafka 0.7.1 and I am getting many of these exceptions in my consumer. Here is my code - http://pastebin.com/qBnQLizj Note that executeWithBatch is called again and again for every 5000 messages consumed. That means shutdown is getting called repeatedly. > NullPointerException in ZookeeperConsumerConnector > -------------------------------------------------- > > Key: KAFKA-417 > URL: https://issues.apache.org/jira/browse/KAFKA-417 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.8 > Reporter: Neha Narkhede > Assignee: Jun Rao > > [info] == kafka.integration.LazyInitProducerTest == > [info] Test Starting: > testProduceAndMultiFetch(kafka.integration.LazyInitProducerTest) > [2012-07-25 11:50:26,394] ERROR group1_consumer2 error during syncedRebalance > (kafka.consumer.ZookeeperConsumerConnector:99) > java.lang.NullPointerException > at > kafka.utils.ZkUtils$.getChildrenParentMayNotExist(ZkUtils.scala:371) > at kafka.utils.ZkUtils$.getCluster(ZkUtils.scala:389) > at > kafka.consumer.ZookeeperConsumerConnector$ZKRebalancerListener$$anonfun$syncedRebalance$1.apply$mcVI$sp(ZookeeperConsumerConnector.scala > :444) > at > scala.collection.immutable.Range$ByOne$class.foreach$mVc$sp(Range.scala:282) > at > scala.collection.immutable.Range$$anon$2.foreach$mVc$sp(Range.scala:265) > at > kafka.consumer.ZookeeperConsumerConnector$ZKRebalancerListener.syncedRebalance(ZookeeperConsumerConnector.scala:441) > at > kafka.consumer.ZookeeperConsumerConnector$ZKRebalancerListener$$anon$1.run(ZookeeperConsumerConnector.scala:398) -- 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