The problem is, it is in a different classloader.
The search starts from the ejb (xerces uses the context classloader)
but the resource is in xercesImpl.jar
Regards,
Adrian
>From: "Scott M Stark" <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: <[EMAIL PROTECTED]>
>Subject: Re: [JBoss-dev] Resource loading
>Date: Fri, 30 Aug 2002 12:20:19 -0700
>
>Mapping a resource name to its class loader should already be in 3.0.1
>unless
>the matching of the resource name is not working.
>
>xxxxxxxxxxxxxxxxxxxxxxxx
>Scott Stark
>Chief Technology Officer
>JBoss Group, LLC
>xxxxxxxxxxxxxxxxxxxxxxxx
>----- Original Message -----
>From: "Adrian Brock" <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Friday, August 30, 2002 12:12 PM
>Subject: [JBoss-dev] Resource loading
>
>
> > Hi,
> >
> > Somebody reported a peformance problem in the forums that
> > is caused by inefficient loading of resources.
> >
> > With xerces in server/default/lib, they do
> > new DomParser(...),
> > this leads to a
> >
>getResource("META-INF/services/org.apache.xerces.xni.parser.XMLParserConfiguration);
> > from the ejb's classloader.
> > This searches all jars in server/default/deploy and server/default/lib
> > caching the result against the xerces UCL where it is located.
> >
> > The next request goes through the whole search again until it spots
> > the cached version against xerces.
> >
> > The results for 1000 document parses (repeated 5 times in millis)
> > 37204, 30764, 29743, 29563, 29493
> >
> > If you put xerces in the JBOSS_CLASSPATH the results are:
> > 20820, 14571, 13369, 12578, 12658
> >
> > Does anybody have a problem with adding a cache for these global
> > searches?
> >
> > The logic will be:
> > Check the current classloader's cache
> > Ask the current classloader
> > Check the global cache <-- New bit
> > Ask the repository (all classloaders, result goes in global cache)
> > Not Found
> >
> > This gives the results:
> > 25396, 16374, 16113, 14852, 14541
> >
> > About twice as fast once hot-spot kicks in.
> >
> > Full testsuite in progress...
> >
> > Regards,
> > Adrian
> >
> > p.s. I probably won't respond to any reply until tomorrow
>
>
>
>
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