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https://issues.apache.org/jira/browse/DERBY-4856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12966299#action_12966299
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Kathey Marsden commented on DERBY-4856:
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Hi Lily,
I see what you mean about ExceptionUtil.java. I think the short story is that
that it should not have ever been used by the engine. David's original comment
said:
"DERBY-838: Establish an internationalization framework for the network
client.
Added a new shared directory and shared packages. These shared packages
are only used by the derbyclient.jar until we establish a shared code framework"
I recall conversations long ago that until we figured out how to really handle
common code, things that would be potentially good to share would be put under
shared, but only be used by client until the whole framework was worked out.
Unfortunately this history was lost when during the LOB work too years later,
ExceptionUtil obviously looked very convenient for this engine work, but we
should probably file a bug to take references to ExceptionUtil out of the
engine.
> 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
> Attachments: ContextManager.java, corruptdb.zip, derby-4856-1a.diff,
> DERBY-4856-part_1_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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