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https://issues.apache.org/jira/browse/DERBY-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12488786
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Ugo Matrangolo commented on DERBY-2543:
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I was checking why the test passes when executed alone and fails in a suite.
My first thought was that other tests can influence the
derby.language.maxMemoryPerTable=1 property; a simple println() revealed
that it is not the case. Running the test in a suite doesn't affect this value.
I composed a little suite with :
suite.addTest(UpdateCursorTest.suite());
suite.addTest(DistinctTest.suite());
suite.addTest(GroupByTest.suite());
and the test did ok. Then I tried :
suite.addTest(DistinctTest.suite());
suite.addTest(UpdateCursorTest.suite());
suite.addTest(GroupByTest.suite());
and the test failed. Both times the property was ok.
I'm investigating what changes between these two cases.
Hope this helps.
> testVirtualMemoryHeap junit test fails with "Virtual memory heap test
> failed! Got unexpected value. expected:<202> but was:<103>"
> ----------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2543
> URL: https://issues.apache.org/jira/browse/DERBY-2543
> Project: Derby
> Issue Type: Bug
> Components: Regression Test Failure
> Affects Versions: 10.3.0.0
> Reporter: Mike Matrigali
>
> junit suite fails with the following error:
> 2)
> testVirtualMemoryHeap(org.apache.derbyTesting.functionTests.tests.lang.UpdateCursorTest)junit.framework.AssertionFailedError:
> Virtual memory heap test failed! Got unexpected value. expected:<202> but
> was:<103>
> at
> org.apache.derbyTesting.functionTests.tests.lang.UpdateCursorTest.testVirtualMemoryHeap(UpdateCursorTest.java:178)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 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)
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