[jira] Resolved: (DERBY-4856) Add thread dump information when derby crash

["Lily Wei (JIRA)" <ji...@apache.org>]

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

Lily Wei resolved DERBY-4856.
-----------------------------

          Resolution: Fixed
    Issue & fix info: [High Value Fix, Patch Available, Release Note Needed]  (was: [Patch Available, High Value Fix])

> 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-4856_part_3_3g.diff, DERBY-4856_part_3_3g_1a.diff, DERBY-4856_part_3_3g_2a.diff, derby.log, 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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