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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (DERBY-4856) Add thread dump information when derby crash
Date Tue, 01 Mar 2011 10:31:36 GMT

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

Knut Anders Hatlen updated DERBY-4856:
--------------------------------------

    Attachment: releaseNote.html

Attaching an updated release note.

Made the summary a one-liner ("Improved error diagnostics on system crashes and session errors")
so that it fits nicely into the short list of changes. The extra information contained in
the original summary was incorporated into the other sections.

> 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, 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-4856_part_3_3g.diff, DERBY-4856_part_3_3g_1a.diff, DERBY-4856_part_3_3g_2a.diff, corruptdb.zip,
derby-4856-1a.diff, derby.log, releaseNote.html, releaseNote.html, releaseNote.html, releaseNote.html,
releaseNote.html
>
>
> 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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