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From "Lily Wei (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4856) Add thread dump information when derby crash
Date Tue, 11 Jan 2011 06:29:45 GMT

     [ https://issues.apache.org/jira/browse/DERBY-4856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lily Wei updated DERBY-4856:
----------------------------

    Attachment: DERBY-4856_part_3_3e.diff

Add removing the javacore* file from Derby3980DeadlockTest and add the proper .policy file
for it.
However, due to the current behavior regarding error for  40001 or 40XL1: A lock could not
be obtained. The test output is different from ibm jvm or sun jvm. There might be more work
to be done to make the test more stable to be part of regression test. There is no change
on code change for 3e patch. Suites and derbyall run clean on 3e patch.

> Add thread dump information when derby crash
> --------------------------------------------
>
>                 Key: DERBY-4856
>                 URL: https://issues.apache.org/jira/browse/DERBY-4856
>             Project: Derby
>          Issue Type: Bug
>          Components: Services
>            Reporter: Lily Wei
>            Assignee: Lily Wei
>            Priority: Minor
>             Fix For: 10.8.0.0
>
>         Attachments: ContextManager.java, corruptdb.zip, derby-4856-1a.diff, DERBY-4856-part_1_1a.diff,
DERBY-4856_part_2_2a.diff, DERBY-4856_part_2_2b.diff, DERBY-4856_part_3_1a.diff, DERBY-4856_part_3_2a.diff,
DERBY-4856_part_3_3a.diff, DERBY-4856_part_3_3b.diff, DERBY-4856_part_3_3c.diff, DERBY-4856_part_3_3d.diff,
DERBY-4856_part_3_3e.diff, derby.log
>
>
> On system crash or session ending error, Derby should dump as much information as possible.
Such as: forcing a javacore if possible or at least thread dump and system environment information.
This should only occur if a running session crashes not on boot error due to fail recovery
etc.
> The IBM jvm provides a way to programmatically dump a javacore. i.e. com.ibm.jvm.Dump.JavaDump()
And, the SUN jvm will force a thread dump using the Unsafe class and there may be a better
way. 

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