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From "Knut Anders Hatlen (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5440) test failure in testBTreeForwardScan_fetchRows_resumeAfterWait_nonUnique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError: expected:<1> but was:<0>
Date Sun, 09 Oct 2011 19:47:29 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5440?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-5440:
--------------------------------------

    Issue & fix info: Patch Available
    
> test failure in testBTreeForwardScan_fetchRows_resumeAfterWait_nonUnique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError:
expected:<1> but was:<0>
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5440
>                 URL: https://issues.apache.org/jira/browse/DERBY-5440
>             Project: Derby
>          Issue Type: Bug
>          Components: Test
>    Affects Versions: 10.8.2.1
>         Environment: IBM iseries 6.1, Classic 1.6 JVM
>            Reporter: Myrna van Lunteren
>            Assignee: Knut Anders Hatlen
>            Priority: Trivial
>         Attachments: d5440.diff
>
>
> During the QA Cycle for 10.8.2.1 I also ran on a next version of the iseries OS, and
saw this failure. It did not reproduce when I reran the test by itself. The test has the following
comment:
>        // Give the other thread time to obtain the lock
>         Thread.sleep(1000);
>         // Perform an index scan. Will be blocked for a while when fetching
>         // the row where x=100, but should be able to resume the scan.
>         ResultSet rs = s.executeQuery(
>                 "select * from t --DERBY-PROPERTIES index=IDX");
>         for (int i = 0; i < 300; i++) {
>             assertTrue(rs.next());
>             assertEquals(i, rs.getInt(1));                           <==== this is
the line of the failure.
>         }
> I think this is a rather slow machine, and that's likely why I saw the failure, perhaps
the sleep wasn't long enough on this machine.
> Here is the stack trace:
> 1) testBTreeForwardScan_fetchRows_resumeAfterWait_nonUnique_split(org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest)junit.framework.AssertionFailedError:
expected:<1> but was:<0>
> 	at java.lang.Throwable.<init>(Throwable.java:195)
> 	at java.lang.Error.<init>(Error.java:49)
> 	at junit.framework.AssertionFailedError.<init>(AssertionFailedError.java:13)
> 	at org.apache.derbyTesting.functionTests.tests.store.IndexSplitDeadlockTest.testBTreeForwardScan_fetchRows_resumeAfterWait_nonUnique_split(IndexSplitDeadlockTest.java:526)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:27)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:92)
> 	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)
> derby.log has no useful info.

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