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https://issues.apache.org/jira/browse/KAFKA-417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13795384#comment-13795384
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Andrew Olson commented on KAFKA-417:
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bq. Would you mind retrying this using the latest 0.8 HEAD?
Tested out the latest 0.8 Kafka code
(https://github.com/apache/kafka/commits/0.8) this morning, and confirmed that
these syncedRebalance NPEs are no longer occurring. So this issue can be
considered resolved.
> 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)
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