Mailing-List: contact cocoon-dev-help@xml.apache.org; run by ezmlm
Message-ID: <39CFD6E5.E4CA8257@apache.org>
Date: Tue, 26 Sep 2000 00:51:17 +0200
From: Stefano Mazzocchi <stefano@apache.org>
Organization: Apache Software Foundation
MIME-Version: 1.0
To: cocoon-dev@xml.apache.org
CC: Giacomo Pati <Giacomo.Pati@pwr.ch>
Subject: Re: re directorygenerator on latest cvs build (25-09-00)@4
References: <39CFC410.27539D0A@pwr.ch>
 <20000925.21443500@sahuc-s.imediation.com>
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Sebastien Sahuc wrote:
> 
> YAHOOOOO !!!! I'm happy not to be the only one. I'm was precisely writing
> a post explaining why IMHO something smells bad in these classlaoder
> issues and design.

There is no bad design in Catalina's classloader... the problem is
simple: a servlet engine is a damn complex beast and Cocoon2 pushes this
to the ultimate limits.
 
> See below for an explanation of your linkage error.
> 
> >>>>>>>>>>>>>>>>>> Original Message <<<<<<<<<<<<<<<<<<
> 
> On 9/25/00, 11:30:56 PM, Giacomo Pati <Giacomo.Pati@pwr.ch> wrote regarding
> re directorygenerator on latest cvs build (25-09-00)@4:
> 
> > Giacomo Pati wrote:
> > >
> > > Stefano Mazzocchi wrote:
> > > >
> > > > Giacomo Pati wrote:
> > > > >
> > > > > --- WAS Online <was@ndrmobil.de> wrote:
> > > > > > Hi there,
> > > > > >
> > > > > > finally i got C2 to work with catalina... (phew) which cost me a
> > lot
> > > > > > of
> > > > > > nerves, since the repositories do not seem to be in a
> > 'synchronized'
> > > > > > state at all, as i had to edit a lot of files to get all that
> > > > > > components
> > > > > > to work whith each other. Anyway, may problem is of another
> > kind:
> > > > >
> > > > > Can you explain your problems? I usually compile Tomcat-4.0 with
> > 'build
> > > > > dist', put all jars from [cocoon2]/lib (except ant and stylebook I
> > > > > think) into dist/tomcat-4.0/lib and put the cocoon.war file into
> > > > > dist/tomcat-4.0/webapps (I remember having expanded the cocoon.war
> > > > > manualy into a cocoon directory)
> > > >
> > > > Please, stop doing this.
> > > >
> > > > The Catalina ./lib directory _MUST_ remain clean... you should not
> > put
> > > > the C2 libraries there...otherwise how can we have feedback on
> > Servlet
> > > > 2.2 application behavior?
> > > >
> > > > The "right way" of installing C2 on catalina should be
> > > >
> > > > ./build.sh -Dinstall.war=../build/tomcat-4.0/webapps
> > > > -Dinclude.webapp.libs=yes install
> > >
> > > Yes, I know how it should be, but at the moment it seems not to run
> > that
> > > way (almost not for me) because of a ClassLoader problem in catalina.
> > > Have you got it running?
> 
> > The above happens when I run catalina out of the ../dist/tomcat-4.0
> > directory.
> 
> > If I use the ../build/tomcat-4.0 directory there is still something
> > wrong with the sitemap engine.
> > The logs/catalina.out tells me something about
> 
> > java.lang.LinkageError: Class org/xml/sax/Attributes violates loader
> > constraints
> >         at
> > _cvs._build._tomcat_4_0._webapps._cocoon._sitemap_xmap.setConfiguration(
> > _sitemap_xmap.java:519)
> >         at
> > org.apache.cocoon.sitemap.SitemapHandler.run(SitemapHandler.java,
> > Compiled Code)
> >         at java.lang.Thread.run(Thread.java, Compiled Code)
> 
> > and the error notifier tells me something totally different ?!
> 
> Basicaly you're getting this error because you have Xerces in too many
> places :
> One in your System classpath and another time in your web-inf/lib of your
> web application (currently cocoon2).

This shouldn't make any difference since the classpath passed to javac
has the local classpath (web-inf/lib) *before* the system classpath.
 
> So by removing the Xerces jar from your web-inf/lib, you should be able
> to make cocoon2 works again ... (though your XSP pages won't compile
> because of missing DOM and SAX packages...)

How come everything works smoothly on my system? Did you clean your
lib/ext directory?
 
-- 
Stefano Mazzocchi      One must still have chaos in oneself to be
                          able to give birth to a dancing star.
<stefano@apache.org>                             Friedrich Nietzsche
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