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From Brian Moseley <...@osafoundation.org>
Subject Re: deadlock problem
Date Tue, 22 Nov 2005 03:55:35 GMT
Brian Moseley wrote:
> while running a very simple test against my caldav server (client 
> program spawns 10 threads, each of which does a single PUT request), i 
> ran into what looks like a deadlock issue. all of the requests time out 
> without receiving any bytes.
> 
> the thread dump is at <http://people.apache.org/~bcm/deadlock.txt>. 
> there are in fact 10 http threads waiting to lock or waiting on what 
> appear to be 3 different locks.
> 
> i have never had to debug a deadlock problem, so first i want to make 
> sure that i'm diagnosing it properly :) if so, what's the next step? 
> what's the best way to figure out what's going on?
> 
> thanks!

for what it's worth, i'm using DerbyPersistenceManager, as per 
<http://svn.osafoundation.org/server/cosmo/branches/0.2/src/main/resources/server/repository.xml>.

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