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From "Chesnay Schepler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2392) Instable test in flink-yarn-tests
Date Thu, 16 Jun 2016 10:33:05 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15333536#comment-15333536
] 

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 SelectChannelConnector@0.0.0.0:8081]
> 	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 SelectChannelConnector@0.0.0.0:8081]
> 	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 SelectChannelConnector@0.0.0.0:8081]
> 	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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