[jira] Updated: (OPENJPA-1336) Intermittent test failure in org.apache.openjpa.persistence.generationtype.TestGeneratedValues when running on MySQL

["Rick Curtis (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-1336?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Curtis updated OPENJPA-1336:
---------------------------------

    Attachment: OPENJPA-1336.test.patch

Attaching a patch that has a testcase that will always fail on MySQL and DB2. The net of the testcase is:
    /*
     * For some reason, Strings that are created off a byte[] that contains a
     * byte less than -100 AND is encoded in "ISO-8859-1" isn't stored properly
     * in DB2 and MySQL (others???).
     */

I found that if I change org.apache.openjpa.lib.util.UUIDGenerator.nextString(int) to use default encoding (rather than "ISO-8859-1") everything works properly. I'm apprehensive to make the change because I'm not sure of the ramification of doing such.

Any comments?

> Intermittent test failure in org.apache.openjpa.persistence.generationtype.TestGeneratedValues when running on MySQL
> --------------------------------------------------------------------------------------------------------------------
>
>                 Key: OPENJPA-1336
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1336
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: lib
>            Reporter: Rick Curtis
>         Attachments: OPENJPA-1336.test.patch
>
>
> As reported in OPENJPA-1168:
> Milosz Tylenda added a comment - 09/Jul/09 09:17 AM
> This reminds me of a test case which sometimes fails for me while running against MySQL and which I did not have time to look at. Maybe this is connected although the test case is single-threaded. The stack trace I am receiving is:
> testDefaultValues(org.apache.openjpa.persistence.generationtype.TestGeneratedValues) Time elapsed: 0.787 sec <<< FAILURE!
> junit.framework.AssertionFailedError
>         at junit.framework.Assert.fail(Assert.java:47)
>         at junit.framework.Assert.assertTrue(Assert.java:20)
>         at junit.framework.Assert.assertFalse(Assert.java:34)
>         at junit.framework.Assert.assertFalse(Assert.java:41)
>         at org.apache.openjpa.persistence.generationtype.TestGeneratedValues.testDefaultValues(TestGeneratedValues.java:49)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at junit.framework.TestCase.runTest(TestCase.java:154)
>         at junit.framework.TestCase.runBare(TestCase.java:127)
>         at org.apache.openjpa.persistence.test.PersistenceTestCase.runBare(PersistenceTestCase.java:466)
>         at junit.framework.TestResult$1.protect(TestResult.java:106)
>         at junit.framework.TestResult.runProtected(TestResult.java:124)
>         at junit.framework.TestResult.run(TestResult.java:109)
>         at junit.framework.TestCase.run(TestCase.java:118)
>         at org.apache.openjpa.persistence.test.PersistenceTestCase.run(PersistenceTestCase.java:181)
>         at junit.framework.TestSuite.runTest(TestSuite.java:208)
>         at junit.framework.TestSuite.run(TestSuite.java:203)
>         at sun.reflect.GeneratedMethodAccessor58.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.apache.maven.surefire.junit.JUnitTestSet.execute(JUnitTestSet.java:213)
>         at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.executeTestSet(AbstractDirectoryTestSuite.java:140)
>         at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.execute(AbstractDirectoryTestSuite.java:127)
>         at org.apache.maven.surefire.Surefire.run(Surefire.java:177)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:585)
>         at org.apache.maven.surefire.booter.SurefireBooter.runSuitesInProcess(SurefireBooter.java:345)
>         at org.apache.maven.surefire.booter.SurefireBooter.main(SurefireBooter.java:1009)
> The TestGeneratedValues.java:49 contains:
>         assertFalse(gv.getUuidstring().equals(gv2.getUuidstring()));
> This means UUID generator sometimes generates duplicates. 

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