That's right. If this only happens during shutdown, it's not a concern. Thanks,
Jun On Wed, Jul 10, 2013 at 10:28 PM, Philip O'Toole <phi...@loggly.com> wrote: > Quite possibly. We are doing lots of restarts recovering from various > issues. > We can pay more attention next time. > > If it is a shutdown scenario, I guess we don't need to be that concerned? > > Philip > > On Jul 10, 2013, at 10:22 PM, Jun Rao <jun...@gmail.com> wrote: > > > That can happen when shutting down the consumer. Is that the case? > > > > Thanks, > > > > Jun > > > > > > On Wed, Jul 10, 2013 at 6:43 PM, Philip O'Toole <phi...@loggly.com> > wrote: > > > >> Hello -- we're doing some heavy lifting now with our high-level based > >> consumer. We open a Consumer Connection per partition within the one > JVM, > >> and are using Kafka 0.72. We saw a burst of the exceptions shown below. > Is > >> this something we should be concerned about? Or is this the normal > output > >> from rebalancing, as the consumer starts up? > >> > >> Thanks, > >> > >> Philip > >> > >> 2013-07-10 23:39:37,012 [ERROR] [ZookeeperConsumerConnector.error] > >> writer_writer0-1373499526097-ec0d4672 error during syncedRebalance > >> java.lang.NullPointerException > >> at > >> kafka.utils.ZkUtils$.getChildrenParentMayNotExist(ZkUtils.scala:181) > >> at kafka.utils.ZkUtils$.getCluster(ZkUtils.scala:202) > >> at > >> > >> > kafka.consumer.ZookeeperConsumerConnector$ZKRebalancerListener$$anonfun$syncedRebalance$1.apply$mcVI$sp(ZookeeperConsumerConnector.scala:447) > >> at > scala.collection.immutable.Range.foreach$mVc$sp(Range.scala:75) > >> at > >> > >> > kafka.consumer.ZookeeperConsumerConnector$ZKRebalancerListener.syncedRebalance(ZookeeperConsumerConnector.scala:444) > >> at > >> > >> > kafka.consumer.ZookeeperConsumerConnector$ZKRebalancerListener$$anon$1.run(ZookeeperConsumerConnector.scala:401) > >> 2013-07-10 23:39:37,013 [INFO] [ZookeeperConsumerConnector.info] > >> writer_writer0-1373499534602-35941a8c begin rebalancing consumer > >> writer_writer0-1373499534602-35941a8c try #1 > >> >