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huxi edited comment on KAFKA-4577 at 1/1/17 4:26 AM: ----------------------------------------------------- Could you elaborate on the steps when you ran into this problem? was (Author: huxi_2b): Could you elaborate on the steps you ran into this problem? > NPE in ControllerChannelManager.scala::addUpdateMetadataRequestForBrokers > -------------------------------------------------------------------------- > > Key: KAFKA-4577 > URL: https://issues.apache.org/jira/browse/KAFKA-4577 > Project: Kafka > Issue Type: Bug > Affects Versions: 0.10.1.0 > Reporter: Scott Reynolds > > Seems as if either deleteTopicManager or deleteTopicManager. > partitionsToBeDeleted wasn't set ? > {code} > java.lang.NullPointerException > at > kafka.controller.ControllerBrokerRequestBatch.addUpdateMetadataRequestForBrokers > (ControllerChannelManager.scala:331) > at kafka.controller.KafkaController.sendUpdateMetadataRequest > (KafkaController.scala:1023) > at > kafka.controller.IsrChangeNotificationListener.kafka$controller$IsrChangeNotificationListener$$processUpdateNotifications > (KafkaController.scala:1371) > at > kafka.controller.IsrChangeNotificationListener$$anonfun$handleChildChange$1.apply$mcV$sp > (KafkaController.scala:1358) > at > kafka.controller.IsrChangeNotificationListener$$anonfun$handleChildChange$1.apply > (KafkaController.scala:1351) > at > kafka.controller.IsrChangeNotificationListener$$anonfun$handleChildChange$1.apply > (KafkaController.scala:1351) > at kafka.utils.CoreUtils$.inLock (CoreUtils.scala:234) > at kafka.controller.IsrChangeNotificationListener.handleChildChange > (KafkaController.scala:1351) > at org.I0Itec.zkclient.ZkClient$10.run (ZkClient.java:843) > at org.I0Itec.zkclient.ZkEventThread.run (ZkEventThread.java:71) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)