> I am redeploying my application for testing by removing the 
> old instance and then deploying again via Tomcat 4.1.29 manager
webapp.
> On Windows, Tomcat apparently leaves the struts.jar file open,
blocking
> deletion of the WEB-INF/lib directory and subsequent automatic
deployment of 
> my changed war file.  Is there a workaround for this?  Is there a
better way 
> of redeploying in the NT environment?  Tomcat is running on a separate

> machine from my development environment.

I use the ant tasks to control the manager app, but I run Tomcat locally
for development and just use 'install' or 'reload' with it pointed at
the directory containing the webapp.  In your situation, I'd try
stopping the webapp before deploying the new version in .war form.  If
you're using the HTML version, take a look at the ant tasks to automate
it.

> While I do not care about the disk space used for the storage 
> of war files, I am concerned about the RAM consumed if each webapp on
the
> server brings multiple copies of the same libraries into memory. 

RAM is also cheap. :)  Much cheaper than the debugging time you will
spend trying to figure out why strange things are happening.  Don't
borrow trouble.  Have you actually profiled your app and watched how
much memory it's using?

-- 
Wendy Smoak
Application Systems Analyst, Sr.
ASU IA Information Resources Management

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