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Date: Thu, 29 Mar 2007 00:30:25 -0700 (PDT)
From: "Alexey Petrenko (JIRA)" <jira@apache.org>
To: commits@harmony.apache.org
Subject: [jira] Resolved: (HARMONY-3124) [classlib][launcher] Generation of
 minidumps files on crash
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     [ https://issues.apache.org/jira/browse/HARMONY-3124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alexey Petrenko resolved HARMONY-3124.
--------------------------------------

    Resolution: Fixed

The patch has been applied.
Please verify.

> [classlib][launcher] Generation of minidumps files on crash
> -----------------------------------------------------------
>
>                 Key: HARMONY-3124
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3124
>             Project: Harmony
>          Issue Type: New Feature
>          Components: Classlib
>         Environment: Windows
>            Reporter: Aleksey Ignatenko
>         Assigned To: Alexey Petrenko
>         Attachments: hydump_29978977.dmp, minidump_feature_v1.patch
>
>
> Investigating intermittent crashes on EUT I faced with the problem of crash reproduction. It is very difficult to detect some rare crashes or tied to specific hardware. I have introduced into launcher minidumps generating code based on dbghelp library, minidump files are generated when some crash handled by launcher's exception handler happent. Minidump file contains complete snapshot of program state on the moment of crash (stacks, variables).
> I hope it will significantly improve intermittient crashes fixing process.
> I have not tested it yet with older versions of Windows or over other jvms, but the patch is done that dbghelp library is loaded dinamically and in case of problems with loading minidump file is generated.
> Minidump is save into the current directory where your application was launched and there is written additional info, eg:
> ...
> Module_base_address=01320000
> Offset_in_DLL=000b7aea
> Dumpfile=C:\work\Harmony\working_vm\build\win_ia32_msvc_debug\deploy\jdk\jre\bin\hydump_27422371.dmp
> Investigating EUT crashes I noticed that jrockit also generates dump files in windows.

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