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https://issues.apache.org/jira/browse/FLINK-2392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15333536#comment-15333536
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Chesnay Schepler commented on FLINK-2392:
-----------------------------------------
Yes it is indeed related to registering metrics. But the issue mentioned so far
in FLINK-3962 were related to naming.
I would prefer creating a new issue since the chances of FLINK-3962 randomly
fixing this issue as well are slim. They are also only tangentially related
based on where they occur, the actual cause (and thus, fix) are most likely
completely different.
> Instable test in flink-yarn-tests
> ---------------------------------
>
> Key: FLINK-2392
> URL: https://issues.apache.org/jira/browse/FLINK-2392
> Project: Flink
> Issue Type: Bug
> Components: Tests
> Affects Versions: 0.10.0
> Reporter: Matthias J. Sax
> Assignee: Robert Metzger
> Priority: Critical
> Labels: test-stability
> Fix For: 1.0.0
>
>
> The test YARNSessionFIFOITCase fails from time to time on an irregular basis.
> For example see: https://travis-ci.org/apache/flink/jobs/72019690
> {noformat}
> Tests run: 12, Failures: 1, Errors: 0, Skipped: 2, Time elapsed: 205.163 sec
> <<< FAILURE! - in org.apache.flink.yarn.YARNSessionFIFOITCase
> perJobYarnClusterWithParallelism(org.apache.flink.yarn.YARNSessionFIFOITCase)
> Time elapsed: 60.651 sec <<< FAILURE!
> java.lang.AssertionError: During the timeout period of 60 seconds the
> expected string did not show up
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at org.apache.flink.yarn.YarnTestBase.runWithArgs(YarnTestBase.java:478)
> at
> org.apache.flink.yarn.YARNSessionFIFOITCase.perJobYarnClusterWithParallelism(YARNSessionFIFOITCase.java:435)
> Results :
> Failed tests:
>
> YARNSessionFIFOITCase.perJobYarnClusterWithParallelism:435->YarnTestBase.runWithArgs:478
> During the timeout period of 60 seconds the expected string did not show up
> {noformat}
> Another error case is this (see
> https://travis-ci.org/mjsax/flink/jobs/77313444)
> {noformat}
> Tests run: 12, Failures: 3, Errors: 0, Skipped: 2, Time elapsed: 182.008 sec
> <<< FAILURE! - in org.apache.flink.yarn.YARNSessionFIFOITCase
> testTaskManagerFailure(org.apache.flink.yarn.YARNSessionFIFOITCase) Time
> elapsed: 27.356 sec <<< FAILURE!
> java.lang.AssertionError: Found a file
> /home/travis/build/mjsax/flink/flink-yarn-tests/target/flink-yarn-tests-fifo/flink-yarn-tests-fifo-logDir-nm-0_0/application_1440595422559_0007/container_1440595422559_0007_01_000003/taskmanager.log
> with a prohibited string: [Exception, Started
> [email protected]:8081]
> at org.junit.Assert.fail(Assert.java:88)
> at
> org.apache.flink.yarn.YarnTestBase.ensureNoProhibitedStringInLogFiles(YarnTestBase.java:294)
> at
> org.apache.flink.yarn.YARNSessionFIFOITCase.checkForProhibitedLogContents(YARNSessionFIFOITCase.java:94)
> testNonexistingQueue(org.apache.flink.yarn.YARNSessionFIFOITCase) Time
> elapsed: 17.421 sec <<< FAILURE!
> java.lang.AssertionError: Found a file
> /home/travis/build/mjsax/flink/flink-yarn-tests/target/flink-yarn-tests-fifo/flink-yarn-tests-fifo-logDir-nm-0_0/application_1440595422559_0007/container_1440595422559_0007_01_000003/taskmanager.log
> with a prohibited string: [Exception, Started
> [email protected]:8081]
> at org.junit.Assert.fail(Assert.java:88)
> at
> org.apache.flink.yarn.YarnTestBase.ensureNoProhibitedStringInLogFiles(YarnTestBase.java:294)
> at
> org.apache.flink.yarn.YARNSessionFIFOITCase.checkForProhibitedLogContents(YARNSessionFIFOITCase.java:94)
> testJavaAPI(org.apache.flink.yarn.YARNSessionFIFOITCase) Time elapsed:
> 11.984 sec <<< FAILURE!
> java.lang.AssertionError: Found a file
> /home/travis/build/mjsax/flink/flink-yarn-tests/target/flink-yarn-tests-fifo/flink-yarn-tests-fifo-logDir-nm-0_0/application_1440595422559_0007/container_1440595422559_0007_01_000003/taskmanager.log
> with a prohibited string: [Exception, Started
> [email protected]:8081]
> at org.junit.Assert.fail(Assert.java:88)
> at
> org.apache.flink.yarn.YarnTestBase.ensureNoProhibitedStringInLogFiles(YarnTestBase.java:294)
> at
> org.apache.flink.yarn.YARNSessionFIFOITCase.checkForProhibitedLogContents(YARNSessionFIFOITCase.java:94)
> {noformat}
> Furthermore, this build failed too:
> https://travis-ci.org/apache/flink/jobs/77313450
> (no error, but Travis terminated to due no progress for 300 seconds ->
> deadlock?)
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