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https://issues.apache.org/jira/browse/KAFKA-2283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14593154#comment-14593154
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Manikumar Reddy commented on KAFKA-2283:
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looks like this got fixed in trunk build.
> scheduler exception on non-controller node when shutdown
> --------------------------------------------------------
>
> Key: KAFKA-2283
> URL: https://issues.apache.org/jira/browse/KAFKA-2283
> Project: Kafka
> Issue Type: Bug
> Components: controller
> Affects Versions: 0.8.2.1
> Environment: linux debian
> Reporter: allenlee
> Assignee: Neha Narkhede
> Priority: Minor
>
> When broker shutdown, there is an error log about 'Kafka scheduler has not
> been started'.
> It only appears on non-controller node. If this broker is the controller, it
> shutdown without warning log.
> IMHO, *autoRebalanceScheduler.shutdown()* should only valid for controller,
> right?
> {quote}
> [2015-06-17 22:32:51,814] INFO Shutdown complete. (kafka.log.LogManager)
> [2015-06-17 22:32:51,815] WARN Kafka scheduler has not been started
> (kafka.utils.Utils$)
> 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.shutdown(KafkaController.scala:664)
> at
> kafka.server.KafkaServer$$anonfun$shutdown$8.apply$mcV$sp(KafkaServer.scala:285)
> at kafka.utils.Utils$.swallow(Utils.scala:172)
> at kafka.utils.Logging$class.swallowWarn(Logging.scala:92)
> at kafka.utils.Utils$.swallowWarn(Utils.scala:45)
> at kafka.utils.Logging$class.swallow(Logging.scala:94)
> at kafka.utils.Utils$.swallow(Utils.scala:45)
> at kafka.server.KafkaServer.shutdown(KafkaServer.scala:285)
> at
> kafka.server.KafkaServerStartable.shutdown(KafkaServerStartable.scala:42)
> at kafka.Kafka$$anon$1.run(Kafka.scala:42)
> [2015-06-17 22:32:51,818] INFO Terminate ZkClient event thread.
> (org.I0Itec.zkclient.ZkEventThread)
> {quote}
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