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https://issues.apache.org/jira/browse/DERBY-2277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12471137
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Myrna van Lunteren commented on DERBY-2277:
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I committed the README.htm changes with revision 504724, (with one minor change
- 1.7 instead of 1.6 for the second occurrence). see
http://svn.apache.org/viewvc?view=rev&revision=504724.
That text re being able to run with the same jvm class...
Well, it is possible that a new jvm reports itself as one of the existing jvms.
The harness tries to come up with a likely classname to call with
Class.forName, based on jvm-properties. Over time, the set of variables to
check has been added to, presumably because theoretically similar jvms behaved
differently (causing different output and requiring new master/canon branches
and/or different special properties). Currently, it checks for java.vm.name,
java.vm.vendor, java.vm.version, and com.ibm.oti.configuration. So, if your new
vm has a different value for any of those properties, the harness will attempt
to instantiate a non-existing class. And, so you'll need either a new jvm class
(boo), or changes to the harness (worse).
> Make it possible to run the testsuite with jdk1.7
> -------------------------------------------------
>
> Key: DERBY-2277
> URL: https://issues.apache.org/jira/browse/DERBY-2277
> Project: Derby
> Issue Type: Test
> Components: Test
> Environment: jdk1.7
> Reporter: Vemund Østgaard
> Assigned To: Vemund Østgaard
> Priority: Trivial
> Fix For: 10.3.0.0
>
> Attachments: 2277-diff, 2277-diff.stat, 2277-diff2, 2277-diff2,
> 2277-diff2.stat, 2277-diff2.stat
>
>
> Today if you try to run the testsuite with jdk1.7 you get a
> ClassNotFoundException:
> Process exception: java.lang.ClassNotFoundException:
> org.apache.derbyTesting.functionTests.harness.jdk17
> Exception in thread "main" java.lang.ClassNotFoundException:
> org.apache.derbyTesting.functionTests.harness.jdk17
> at java.net.URLClassLoader$1.run(URLClassLoader.java:203)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:191)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:169)
> at org.apache.derbyTesting.functionTests.harness.jvm.getJvm(Unknown Source)
> at
> org.apache.derbyTesting.functionTests.harness.RunTest.buildTestCommand(Unknown
> Source)
> at org.apache.derbyTesting.functionTests.harness.RunTest.testRun(Unknown
> Source)
> at org.apache.derbyTesting.functionTests.harness.RunTest.main(Unknown
> Source)
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