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https://issues.apache.org/jira/browse/DERBY-6306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13751414#comment-13751414
]
Rick Hillegas commented on DERBY-6306:
--------------------------------------
Thanks for picking up this issue, Knut. I like the idea of treating this as a
test bug and clearing the statement cache.
> XplainStatisticsTest.testSimpleQuery: BEGIN_COMP_TIME unexpectedly NULL
> -----------------------------------------------------------------------
>
> Key: DERBY-6306
> URL: https://issues.apache.org/jira/browse/DERBY-6306
> Project: Derby
> Issue Type: Bug
> Components: Test
> Affects Versions: 10.11.0.0
> Environment: windows_ia32_jdk7
> windows_amd64_jdk8
> Reporter: Knut Anders Hatlen
>
> Seen on two platforms in nightly testing of trunk revision 1506904:
> http://download.java.net/javadesktop/derby/request_5579443/javadb-task-3691350.html
> http://download.java.net/javadesktop/derby/request_5579443/javadb-task-3691354.html
> junit.framework.AssertionFailedError: BEGIN_COMP_TIME unexpectedly NULL
> at
> org.apache.derbyTesting.functionTests.tests.lang.XplainStatisticsTest.getNonNullTimestamp(XplainStatisticsTest.java:1538)
> at
> org.apache.derbyTesting.functionTests.tests.lang.XplainStatisticsTest.verifySensibleStatementTimings(XplainStatisticsTest.java:1417)
> at
> org.apache.derbyTesting.functionTests.tests.lang.XplainStatisticsTest.testSimpleQuery(XplainStatisticsTest.java:1038)
> at
> org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:117)
> at
> org.apache.derbyTesting.junit.BaseJDBCTestCase.runBareOverridable(BaseJDBCTestCase.java:439)
> at
> org.apache.derbyTesting.junit.BaseJDBCTestCase.runBare(BaseJDBCTestCase.java:456)
> 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)
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