[jira] [Created] (KAFKA-3107) Error when trying to shut down auto balancing scheduler of controller

[Flavio Junqueira (JIRA)]

Flavio Junqueira created KAFKA-3107:
---------------------------------------

             Summary: Error when trying to shut down auto balancing scheduler 
of controller
                 Key: KAFKA-3107
                 URL: https://issues.apache.org/jira/browse/KAFKA-3107
             Project: Kafka
          Issue Type: Bug
    Affects Versions: 0.8.2.1
            Reporter: Flavio Junqueira


We observed the following exception when a controller was shutting down:

{noformat}
[run] Error handling event ZkEvent[New session event sent to 
kafka.controller.KafkaController$SessionExpirationListener@3278c211]
java.lang.IllegalStateException: Kafka scheduler has not been started
    at kafka.utils.KafkaScheduler.ensureStarted(KafkaScheduler.scala:114)
    at kafka.utils.KafkaScheduler.shutdown(KafkaScheduler.scala:86)
    at 
kafka.controller.KafkaController.onControllerResignation(KafkaController.scala:350)
    at 
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply$mcZ$sp(KafkaController.scala:1108)
    at 
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1107)
    at 
kafka.controller.KafkaController$SessionExpirationListener$$anonfun$handleNewSession$1.apply(KafkaController.scala:1107)
    at kafka.utils.Utils$.inLock(Utils.scala:535)
    at 
kafka.controller.KafkaController$SessionExpirationListener.handleNewSession(KafkaController.scala:1107)
    at org.I0Itec.zkclient.ZkClient$4.run(ZkClient.java:472)
    at org.I0Itec.zkclient.ZkEventThread.run(ZkEventThread.java:71)
{noformat}

The scheduler should have been started.



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