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https://issues.apache.org/jira/browse/DERBY-4856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933337#action_12933337
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Lily Wei commented on DERBY-4856:
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We can definitely consider writing the information to a separate file and
consider the deal with write privileges. If we do add the code in
ContextManager.cleanupOnError(), how do we make sure the database is already
boot. I keep seeing the threadDump information get print out before the
database is booted. How to avoid it?
> 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
> Priority: Minor
> Attachments: corruptdb.zip, derby-4856-1a.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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