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https://issues.apache.org/jira/browse/KAFKA-1376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13964379#comment-13964379
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Jun Rao commented on KAFKA-1376:
--------------------------------
The issue seems to be the zk connection/sessesion timeout are too small (400ms)
as configured in TestUtils.createConsumerProperties.
> transient test failure in UncleanLeaderElectionTest
> ---------------------------------------------------
>
> Key: KAFKA-1376
> URL: https://issues.apache.org/jira/browse/KAFKA-1376
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 0.8.2
> Reporter: Jun Rao
>
> We have the following transient unit test failure in trunk.
> kafka.integration.UncleanLeaderElectionTest >
> testUncleanLeaderElectionEnabled FAILED
> org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to
> zookeeper server within timeout: 400
> at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:880)
> at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:98)
> at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:84)
> at
> kafka.consumer.ZookeeperConsumerConnector.connectZk(ZookeeperConsumerConnector.scala:169)
> at
> kafka.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerConnector.scala:125)
> at
> kafka.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerConnector.scala:141)
> at kafka.consumer.Consumer$.create(ConsumerConnector.scala:89)
> at
> kafka.integration.UncleanLeaderElectionTest.consumeAllMessages(UncleanLeaderElectionTest.scala:273)
> at
> kafka.integration.UncleanLeaderElectionTest.verifyUncleanLeaderElectionEnabled(UncleanLeaderElectionTest.scala:197)
> at
> kafka.integration.UncleanLeaderElectionTest.testUncleanLeaderElectionEnabled(UncleanLeaderElectionTest.scala:106)
> kafka.integration.UncleanLeaderElectionTest >
> testUncleanLeaderElectionDisabled PASSED
> kafka.integration.UncleanLeaderElectionTest >
> testUncleanLeaderElectionEnabledByTopicOverride PASSED
> kafka.integration.UncleanLeaderElectionTest >
> testCleanLeaderElectionDisabledByTopicOverride FAILED
> org.I0Itec.zkclient.exception.ZkTimeoutException: Unable to connect to
> zookeeper server within timeout: 400
> at org.I0Itec.zkclient.ZkClient.connect(ZkClient.java:880)
> at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:98)
> at org.I0Itec.zkclient.ZkClient.<init>(ZkClient.java:84)
> at
> kafka.consumer.ZookeeperConsumerConnector.connectZk(ZookeeperConsumerConnector.scala:169)
> at
> kafka.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerConnector.scala:125)
> at
> kafka.consumer.ZookeeperConsumerConnector.<init>(ZookeeperConsumerConnector.scala:141)
> at kafka.consumer.Consumer$.create(ConsumerConnector.scala:89)
> at
> kafka.integration.UncleanLeaderElectionTest.consumeAllMessages(UncleanLeaderElectionTest.scala:273)
> at
> kafka.integration.UncleanLeaderElectionTest.verifyUncleanLeaderElectionDisabled(UncleanLeaderElectionTest.scala:214)
> at
> kafka.integration.UncleanLeaderElectionTest.testCleanLeaderElectionDisabledByTopicOverride(UncleanLeaderElectionTest.scala:148)
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