Sure. no problem. Where should I file the bug? 2013/3/25 Neha Narkhede <neha.narkh...@gmail.com>
> Yes, I have. Unfortunately, I never quite around to fixing it. My guess is > that it is caused due to a race condition between the rebalance thread and > the offset commit thread when a rebalance is triggered or the client is > being shutdown. Do you mind filing a bug ? > > Thanks, > Neha > > On Sunday, March 24, 2013, Yonghui Zhao wrote: > > > Have you ever seen this exception? > > > > > > 2013/03/25 12:08:32.020 WARN [ZookeeperConsumerConnector] [] > > 0_lu-ml-test10.bj-1364184411339-7c88f710 exception during commitOffsets > > java.lang.NullPointerException > > at > > org.I0Itec.zkclient.ZkConnection.writeData(ZkConnection.java:111) > > at org.I0Itec.zkclient.ZkClient$10.call(ZkClient.java:813) > > at > > org.I0Itec.zkclient.ZkClient.retryUntilConnected(ZkClient.java:675) > > at org.I0Itec.zkclient.ZkClient.writeData(ZkClient.java:809) > > at org.I0Itec.zkclient.ZkClient.writeData(ZkClient.java:777) > > at kafka.utils.ZkUtils$.updatePersistentPath(ZkUtils.scala:103) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector$$anonfun$commitOffsets$2$$anonfun$apply$4.apply(ZookeeperConsumerConnector.scala:251) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector$$anonfun$commitOffsets$2$$anonfun$apply$4.apply(ZookeeperConsumerConnector.scala:248) > > at scala.collection.Iterator$class.foreach(Iterator.scala:631) > > at > > > > > scala.collection.JavaConversions$JIteratorWrapper.foreach(JavaConversions.scala:549) > > at > > scala.collection.IterableLike$class.foreach(IterableLike.scala:79) > > at > > > > > scala.collection.JavaConversions$JCollectionWrapper.foreach(JavaConversions.scala:570) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector$$anonfun$commitOffsets$2.apply(ZookeeperConsumerConnector.scala:248) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector$$anonfun$commitOffsets$2.apply(ZookeeperConsumerConnector.scala:246) > > at scala.collection.Iterator$class.foreach(Iterator.scala:631) > > at kafka.utils.Pool$$anon$1.foreach(Pool.scala:53) > > at > > scala.collection.IterableLike$class.foreach(IterableLike.scala:79) > > at kafka.utils.Pool.foreach(Pool.scala:24) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector.commitOffsets(ZookeeperConsumerConnector.scala:246) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector.autoCommit(ZookeeperConsumerConnector.scala:232) > > at > > > > > kafka.consumer.ZookeeperConsumerConnector$$anonfun$1.apply$mcV$sp(ZookeeperConsumerConnector.scala:126) > > at kafka.utils.Utils$$anon$2.run(Utils.scala:58) > > at > > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > > at > > > java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351) > > at > java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) > > at > > > > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) > > at > > > > > java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) > > at > > > > > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > > at > > > > > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > > at java.lang.Thread.run(Thread.java:722) > > >
