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Posted to commits@harmony.apache.org by "Vasily Zakharov (JIRA)" <ji...@apache.org> on 2006/12/11 17:35:22 UTC
[jira] Updated: (HARMONY-2615) [drlvm][test] Stress test for
massive class loading from bootclasspath
[ http://issues.apache.org/jira/browse/HARMONY-2615?page=all ]
Vasily Zakharov updated HARMONY-2615:
-------------------------------------
Attachment: CrashTestBCP.java
The stress test code.
> [drlvm][test] Stress test for massive class loading from bootclasspath
> ----------------------------------------------------------------------
>
> Key: HARMONY-2615
> URL: http://issues.apache.org/jira/browse/HARMONY-2615
> Project: Harmony
> Issue Type: Test
> Components: DRLVM
> Reporter: Vasily Zakharov
> Attachments: CrashTestBCP.java
>
>
> This is a stress test which loads all the classes it finds in VM bootclasspath using simple Class.forName() call.
>
> Not all of the classes are supposed to be loaded correctly this way, so the test ignores any class loading errors - its main purpose is to make sure VM survives loading of thousands classes without crashes. Also, investigating why particular classes fail to load may provide clues to some new bugs in VM or classlib.
> I recommend including this test to some Harmony test suite that is run regularly, as it may detect many VM issues that may occur in future.
> Currently this test crashes both on Windows/IA32 and Linux/IA32 in a very strange way - at some point, unhandled exception occurs inside the catch(Throwable) block:
> 9879: org.mmtk.plan.Plan
> java.lang.ClassNotFoundException: null.Factory
> at java.lang.Class.forName(Unknown Source)
> at java.lang.Class.forName(Unknown Source)
> at org.mmtk.vm.VM.<clinit>(Unknown Source)
> at org.mmtk.utility.Constants.<clinit>(Unknown Source)
> at org.mmtk.plan.Plan.<clinit>(Unknown Source)
> at java.lang.VMClassRegistry.initializeClass(Native Method)
> at java.lang.Class.forName(Unknown Source)
> at java.lang.Class.forName(Unknown Source)
> at CrashTestBCP.load(CrashTestBCP.java:75)
> at CrashTestBCP.main(CrashTestBCP.java:98)
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