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From "Will Hartung" <wi...@msoft.com>
Subject Re: Re[2]: [BULK] - Tomcat 4x Classloading
Date Tue, 28 Jan 2003 19:17:01 GMT
> This shouldn't be true.  Apps cannot see the system classpath at all.
> Only Tomcat sees that at startup.  Webapps will only see classes in
> WEB-INF/lib, WEB-INF/classes, common/endorsed, common/lib,
> common/classes, shared/lib, and shared/classes.  Tomcat, itself, also
> sees stuff in server/lib and server/classes.

No Jacob, that's not true.

Classes within the Tomcat container have full visibility of the system
classpath. The startup scripts, however, ignore the CLASSPATH environment
variable on start up which gives the illusion that Tomcat is not seeing
those classes.

The reason it's not seeing those classes is because of the actions of the
startup script, not because of the Tomcat container itself. All of the
classloaders descend from the original classloader used to fire up the
Tomcat bootstrap.

So, if you start Tomcat up without the provided scripts, or change the
scripts to manipulate the CLASSPATH for the JVM, your classes will be able
to see those classes.

Regards,

Will Hartung
(willh@msoft.com)




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