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https://issues.apache.org/jira/browse/DERBY-3503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12577072#action_12577072
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Kathey Marsden commented on DERBY-3503:
---------------------------------------

Knut said ...
>don't think I would have bothered unwrapping the >PrivilegedActionException 
>and the InvocationTargetException, as the >original exception is in the chain 
>and its stack trace is printed anyway. Not >a big deal, but it would perhaps 
>make the code a bit cleaner. 

hmmm the reason I was unwrapping it was because I was not seeing the chained 
exception print.  It would be hard to reproduce now.  Maybe that was with jdk 
1.4.2, but anyway I think I will leave it as is.  Thanks Knut for the review.


> Change stress.multi to dump thread stacks before killing off testers with jdk 
> 1.5 and higher
> --------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3503
>                 URL: https://issues.apache.org/jira/browse/DERBY-3503
>             Project: Derby
>          Issue Type: Improvement
>          Components: Test
>    Affects Versions: 10.4.0.0
>            Reporter: Kathey Marsden
>            Assignee: Kathey Marsden
>            Priority: Minor
>         Attachments: derby-3503_diff.txt, derby-3503_diff.txt
>
>
> Jdk 1.5 introduced Thread.getAllStackTraces() which can be used to print a 
> thread dump programatically.  The test stress.multi kills off its testers if 
> it reaches a deadlock or the testers can't complete on their own. It would be 
> helpful in this case to get a thread dump automatically.  The code could only 
> be enabled for jdk 1.5 and higher.

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