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https://issues.apache.org/jira/browse/DERBY-2799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen reassigned DERBY-2799:
-----------------------------------------
Assignee: Knut Anders Hatlen
> Intermittent failure in lang/deadlockMode.java
> ----------------------------------------------
>
> Key: DERBY-2799
> URL: https://issues.apache.org/jira/browse/DERBY-2799
> Project: Derby
> Issue Type: Bug
> Components: Regression Test Failure, Test
> Affects Versions: 10.3.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Priority: Minor
> Attachments: derby-2799.diff
>
>
> I sometimes see the deadlockMode test fail with this error:
> There was 1 failure:
> 1)
> deadlockMode(org.apache.derbyTesting.functionTests.tests.lang.LangHarnessJavaTest)junit.framework.ComparisonFailure:
> Output at line 18 expected:<[Starting t]hread> but was:<[Done T]hread>
> at
> org.apache.derbyTesting.functionTests.util.CanonTestCase.compareCanon(CanonTestCase.java:100)
> at
> org.apache.derbyTesting.functionTests.util.HarnessJavaTest.runTest(HarnessJavaTest.java:91)
> at
> org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:88)
> at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> at junit.extensions.TestSetup.run(TestSetup.java:25)
> at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> at junit.extensions.TestSetup.run(TestSetup.java:25)
> at
> org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
> at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
> at junit.extensions.TestSetup.run(TestSetup.java:25)
> at
> org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
> at
> org.apache.derbyTesting.functionTests.tests.lang.LangHarnessJavaTest.main(LangHarnessJavaTest.java:102)
> Similar failures have also been seen in the nightly testing, for instance
> <URL:http://dbtg.thresher.com/derby/test/trunk15/jvm1.5/testing/testlog/Linux-2.6.17-1.2174_FC5_i686-i686/484695-derbyall_diff.txt>.
> It looks like a timing issue between the threads in the test. The test starts
> 20 threads, and each thread prints "Starting thread" when it starts and "Done
> Thread" when it ends. If a thread finishes before all threads have started,
> the lines in the output are mixed, and the test fails.
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