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https://issues.apache.org/jira/browse/DERBY-5115?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004487#comment-13004487
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Knut Anders Hatlen commented on DERBY-5115:
-------------------------------------------
The first assert failure mentioned in the bug description happens in code that
looks like this:
nsctrl.trace(true);
nsctrl.ping();
assertTrue(fileExists(derbySystemHome+"/Server3.trace"));
nsctrl.trace(false);
If other test cases run before testTraceCommands, the connection number used in
the ping call may not be 3, and the assert fails.
> NetworkServerControlApiTest depends on implicit ordering of test cases
> ----------------------------------------------------------------------
>
> Key: DERBY-5115
> URL: https://issues.apache.org/jira/browse/DERBY-5115
> Project: Derby
> Issue Type: Bug
> Components: Test
> Affects Versions: 10.8.0.0
> Reporter: Knut Anders Hatlen
>
> If the test cases in NetworkServerControlApiTest run in a different order
> than the order in which they appear in the source file, they may fail. Seen
> in the nightly regression tests on Java 7, for example here:
> http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.7/testing/testlog/lin/1078855-suitesAll_diff.txt
> 1)
> testTraceCommands(org.apache.derbyTesting.functionTests.tests.derbynet.NetworkServerControlApiTest)junit.framework.AssertionFailedError
> at
> org.apache.derbyTesting.functionTests.tests.derbynet.NetworkServerControlApiTest.testTraceCommands(NetworkServerControlApiTest.java:116)
> ...
> 2)
> testPropertiesAfterConnection(org.apache.derbyTesting.functionTests.tests.derbynet.GetCurrentPropertiesTest)junit.framework.ComparisonFailure:
> expected:<true> but was:<null>
> at
> org.apache.derbyTesting.functionTests.tests.derbynet.GetCurrentPropertiesTest.testPropertiesAfterConnection(GetCurrentPropertiesTest.java:170)
> The test should either make the order of the test cases explicit, or make the
> test cases independent of each other.
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