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From Brett Porter <br...@apache.org>
Subject RE: [jelly] Maven JSL memory leak and Jelly
Date Tue, 25 Jan 2005 02:26:35 GMT
Because I'd have to backport the fixes to the 1.0.x branch of Maven, which is
closed for development now.

- Brett

Quoting Hans Gilde <hgilde-commons@earthlink.net>:

> Why won't RC2 work with maven 1.0.x?
> 
> -----Original Message-----
> From: Brett Porter [mailto:brett@apache.org] 
> Sent: Monday, January 24, 2005 7:30 AM
> To: Jakarta Commons Developers List
> Subject: Re: [jelly] Maven JSL memory leak and Jelly
> 
> Paul Libbrecht wrote:
> 
> > Ideally, a test-case would be awesome, even if it refers to some  
> > far-away stylesheet...
> 
> I'll try and narrow it down first by cutting down site.jsl to the 
> minimum that leaks.
> 
> >
> > Can you try calling .clear() on the result of this
> >                 context.runScript(uri, output, isExport(), isInherit())
> > (and the other call).
> 
> so try with context.clear() inside IncludeTag? Ok, will try tomorrow.
> 
> >
> > Maybe that'll help.
> > In all cases, this context is gc-ed shortly after, I believe... so I  
> > see no reasons for big leaks at the tag-cache level.
> 
> It leaks 200k every time site.jsl is run, so should be easy to find, 
> right? :)
> 
> >
> > Also, maybe it would help to give more details where to go... I think  
> > this was reported about very long ago so maybe a distribution  
> > maven-1.0.2 or such should have this bug ?
> 
> easiest to run it against Maven's trunk really as it is compatible with 
> Jelly RC2 (RC1 was broken, so it currently uses beta-4 until RC2 is 
> released). RC2 won't work with Maven 1.0.x.
> 
> If you want to give it a go:
> - check out Maven from SVN and build:
>     svn co http://svn.apache.org/repos/asf/maven/maven-1/core/trunk 
> maven-1/core/trunk
>     svn co http://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk 
> maven-1/plugins/trunk
> - build maven inside maven-1/core/trunk (see 
> http://www.apache.org/~brett/maven-stage-site/developers/building-from-sourc
> e.html, 
> make sure you reassign a new MAVEN_HOME!)
> - run "maven xdoc" and watch memory go...
> - twiddle xdoc plugin and run "maven plugin:install" to test. Use the 
> memory tag lib I just added to jelly to test. <memory:gc/> and 
> <memory:showFree />.
> 
> Hopefully I'll have more information tomorrow, I'm going to bed now. I'm 
> keen to kill this before Jelly 1.0 if possible.
> 
> Thanks,
> Brett
> 
> 
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