Deploying shared .jar 's 2006-12-11 - By David Kerber
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Caldarale, Charles R wrote:
>>From: David Kerber [mailto:dckerber@(protected)]
>>Subject: Re: Deploying shared .jar's
>>
>>My webapps can't see classes in the .jar that is in the shared/lib
>>folder; I get the ClassNotFound errors when I try.
>>
>>
>
>Check your conf/catalina.properties file and make sure this line is
>present:
>shared.loader=${catalina.base}/shared/classes,${catalina.base}/shared/li
>b/*.jar
>
>
It's there, but it got me to looking at some other stuff, and I think I
now know what's going on. Can you please tell me if this makes sense:
I have 3 different apps on one machine, each running in its own tomcat
instance using the catalina_base env var. The catalina_base locations
are all outside of catalina_home. What I was hoping was that I could
put my shared jars in catalina_home, but after re-reading the
description of cataline_base (again), it appears that I can't put shared
classes in catalina_home if I'm using the apps from catalina_base.
What I have is this:
Catalina_home =
e:\program files\Apacha\Tomcat5\all the sub-dirs
Catalina_base(s) =
e:\tomcatclients\webapp1
\conf
\webapps
etc
e:\tomcatclients\webapp2
\conf
\webapps
etc
etc.
With the way I read it now, anything I try to put under
catalina_home/shared/lib won't be visible to the webapps in the various
catalina_base folders. Is this correct? If so, it explains my trouble.
If not, then I've got to dig even deeper.
Thanks!
>If the line is there (and not commented out), is there possibly an
>access permissions problem with the jars you're putting into shared/lib,
>especially if running as a service? You might also try turning on
>-verbose:class and see what's being loaded from where.
>
> - Chuck
>
>
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