Charles,
Even if I place the jarfiles in a common path, they will be loaded by the
webapp classloader
right? Which means that each webapp would load the jars anew.
The distinct webapps are taking up a lot of heapspace and affecting Tomcat.
I would like to load the common jarfiles using commons classloader and yet not
mix the jarfiles with the "system" libraries in ${CATALINA_BASE}/lib.
Is it possible for me to instruct commons classloader to load from another
directory parallel to ${CATALINA_BASE}/lib?
Thanks,
/U
--
-------------- Original message ----------------------
From: "Caldarale, Charles R" <[EMAIL PROTECTED]>
> > From: Caldarale, Charles R [mailto:[EMAIL PROTECTED]
> > Subject: RE: Tomcat 6.0.x Classloader sequence
> >
> > > Is it possible for me to configure the webapp class
> > > loaders to load classes from a path common to multiple
> > > webapps before loading from the webapp itself?
> >
> > Browsing through the Tomcat source does turn up something called
> > VirtualWebappLoader; the comments therein indicate this is intended to
> > provide what you want.
> >
> > I couldn't actually get it to work, but it is intriguing...
>
> With a little more playing around, I did get it to work. Your webapps
> will need a <Context> similar to the following:
>
> <Context>
> <Loader className="org.apache.catalina.loader.VirtualWebappLoader"
> virtualClasspath="C:/dir/classes"/>
> </Context>
>
> I assume if you put this in conf/context.xml, it will apply to all
> webapps. Multiple locations can be given in the virtualClasspath
> attribute by separating them with semicolons; each jar must be specified
> separately.
>
> Using the MBeans tab of JConsole, you can see the paths used by each
> individual classloader; look in the Catalina -> Loader -> <appname> ->
> <hostname> -> Attributes for classpath.
>
> - Chuck
>
>
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