[jira] [Commented] (KAFKA-1638) transient unit test failure UncleanLeaderElectionTest

["Renato Javier Marroquín Mogrovejo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-1638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14187138#comment-14187138 ] 

Renato Javier Marroquín Mogrovejo commented on KAFKA-1638:
----------------------------------------------------------

Hi, 

I have been trying to reproduce this test failure but I haven't been able to do so. I am running the test from inside Intellij, maybe that is why? Do you have a way to make the test failure reproducible? I would be happy to look at it.
Thanks!


> transient unit test failure UncleanLeaderElectionTest
> -----------------------------------------------------
>
>                 Key: KAFKA-1638
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1638
>             Project: Kafka
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 0.8.2
>            Reporter: Jun Rao
>              Labels: newbie++
>
> Saw the following transient unit test failure.
> kafka.integration.UncleanLeaderElectionTest > testUncleanLeaderElectionEnabled FAILED
>     java.lang.RuntimeException: A broker is already registered on the path /brokers/ids/1. This probably indicates that you either have configured a brokerid that is already in use, or else you have shutdown this broker and restarted it faster than the zookeeper timeout so it appears to be re-registering.
>         at kafka.utils.ZkUtils$.registerBrokerInZk(ZkUtils.scala:174)
>         at kafka.server.KafkaHealthcheck.register(KafkaHealthcheck.scala:63)
>         at kafka.server.KafkaHealthcheck.startup(KafkaHealthcheck.scala:45)
>         at kafka.server.KafkaServer.startup(KafkaServer.scala:121)
>         at kafka.integration.UncleanLeaderElectionTest$$anonfun$verifyUncleanLeaderElectionEnabled$8.apply(UncleanLeaderElectionTest.scala:187)
>         at kafka.integration.UncleanLeaderElectionTest$$anonfun$verifyUncleanLeaderElectionEnabled$8.apply(UncleanLeaderElectionTest.scala:187)
>         at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>         at scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:244)
>         at scala.collection.immutable.List.foreach(List.scala:318)
>         at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
>         at scala.collection.AbstractTraversable.map(Traversable.scala:105)
>         at kafka.integration.UncleanLeaderElectionTest.verifyUncleanLeaderElectionEnabled(UncleanLeaderElectionTest.scala:187)
>         at kafka.integration.UncleanLeaderElectionTest.testUncleanLeaderElectionEnabled(UncleanLeaderElectionTest.scala:106)



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