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