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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-5893) ResetIntegrationTest fails
Date Mon, 18 Sep 2017 21:11:01 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16170726#comment-16170726
] 

ASF GitHub Bot commented on KAFKA-5893:
---------------------------------------

GitHub user mjsax opened a pull request:

    https://github.com/apache/kafka/pull/3893

    KAFKA-5893: Preserve original System.out in PrintedTest

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/mjsax/kafka kafka-5893-reset-integration-test

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/kafka/pull/3893.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #3893
    
----

----


> ResetIntegrationTest fails
> --------------------------
>
>                 Key: KAFKA-5893
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5893
>             Project: Kafka
>          Issue Type: Bug
>          Components: streams, unit tests
>    Affects Versions: 0.11.0.0, 0.11.0.1
>            Reporter: Matthias J. Sax
>            Assignee: Matthias J. Sax
>
> {noformat}
> java.lang.AssertionError: expected:<0> but was:<1>
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.failNotEquals(Assert.java:834)
> 	at org.junit.Assert.assertEquals(Assert.java:645)
> 	at org.junit.Assert.assertEquals(Assert.java:631)
> 	at org.apache.kafka.streams.integration.ResetIntegrationTest.cleanGlobal(ResetIntegrationTest.java:363)
> 	at org.apache.kafka.streams.integration.ResetIntegrationTest.testReprocessingFromScratchAfterResetWithIntermediateUserTopic(ResetIntegrationTest.java:172)
> {noformat}
> One issue with debugging is, that we catch exceptions and print the exception message
that is {{null}}:
> {noformat}
> Standard Error
> ERROR: null
> ERROR: null
> {noformat}
> After printing the stack trace in case of failure, we got:
> {noformat}
> ERROR: java.lang.NullPointerException
> java.lang.NullPointerException
> 	at kafka.tools.StreamsResetter.maybeResetInputAndSeekToEndIntermediateTopicOffsets(StreamsResetter.java:194)
> 	at kafka.tools.StreamsResetter.run(StreamsResetter.java:121)
> 	at org.apache.kafka.streams.integration.ResetIntegrationTest.cleanGlobal(ResetIntegrationTest.java:362)
> 	at org.apache.kafka.streams.integration.ResetIntegrationTest.testReprocessingFromScratchAfterResetWithIntermediateUserTopic(ResetIntegrationTest.java:172)
> {noformat}



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