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Date: Tue, 4 Dec 2007 11:11:43 -0800 (PST)
From: "Sergey Dmitriev (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Updated: (HARMONY-5251) [drlvm][kernel] H4965 causes
 jboss/SPECjAppServer2004 failure
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     [ https://issues.apache.org/jira/browse/HARMONY-5251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Dmitriev updated HARMONY-5251:
-------------------------------------

    Attachment: jboss.linux32.classcaching.debug

> [drlvm][kernel] H4965 causes jboss/SPECjAppServer2004 failure
> -------------------------------------------------------------
>
>                 Key: HARMONY-5251
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5251
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: linux32
> win32
>            Reporter: Sergey Dmitriev
>         Attachments: jboss.linux32.classcaching.debug, jboss.linux32.classcaching.release
>
>
> Recently it's been discovered that
> H4965 "[drlvm][kernel] ClassLoader.findLoadedClass() does not cache not owned classes" and
> H5218 "[drlvm][kernel] null may be passed to registerInitiatedClass if class loader does not throw ClassNotFoundException for missing classes"
> patches cause the JBoss/SPECjAppServer2004 failure. Meaning the VM crash.
> Internal error:/localdisk/harmony.3dec/working_vm/vm/vmcore/include/hashtable.h:269: Element was inserted second time in MapEx!SIGABRT in $
> Stack trace:
>   0: ?? (??:-1)
> addr2line: '/mnt/huge/vm_heap': No such file
>   1: ?? (`F+_F+D=@:-1)
> addr2line: '/mnt/huge/vm_heap': No such file
>   2: ?? (`F+_F+D=@:-1)
> addr2line: '/mnt/huge/vm_heap': No such file
>   3: ?? (`F+_F+D=@:-1)
> addr2line: '/mnt/huge/vm_heap': No such file
>   4: ?? (`F+_F+D=@:-1)
> addr2line: '/mnt/huge/vm_heap': No such file
>   5: ?? (`F+_F+D=@:-1)
>   6: ?? (??:-1)
>   7: ?? (??:-1)
>   8: java/lang/ClassLoader.registerInitiatedClass(Ljava/lang/Class;)V (ClassLoader.java:-2)
>   . . .
> Full logs are attached.
> This is definetely about these patches: I've tried fresh (3 DEC) Harmony without the patches - JBoss works just fine.
> Please be informed that there is another guilty commit H5090 "OSR" which play a role here. So when I say "Harmony without H4965 & H5218 works just fine" this means "with rolled back H5090 as well". I've checked this two cases separately. Just the first thing that causes JBoss to fail is these patches; later - having these patches rolled back - JBoss fails because of OSR patch. So please note this: you can just disable the osr_path in server.emconf.

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