Problems Undeploying webapp

[Torrey Rice <ri...@sitepen.com>]

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Using: Tomcat 5.5.4, JDK 1.5 Win2000 Server
(Also: Tomcat 5.5.4, OS X Panther 10.3.8 latest JVM)

We have several webapps that are deployed from war files. When
attempting to undeploy the webapp using the Tomcat Manager app, the
war file gets deleted however the unpacked directory remains. The app
does seem to deactivate correctly as any attempt to hit it returns a
503, it?s just that the exploded directory remains. The problem is
that I want to deploy an updated version of the webapp but when I use
the manager to upload and deploy the new one the changes don?t take
effect until a restart when Tomcat presumably checks the unpacked
content?s time stamp against the war file.  Is there a way to update a
webapp deployed from a war file without restarting Tomcat?

I tried setting unpackWARs to false in the server.xml hoping that it
would delete the war file when I chose undeploy from the manager and
then it would see the new war file when I deployed it and use that,
however it appears that Tomcat just unpacks the war file to it?s work
directory and runs it from there and doesn?t check the timestamp again
until a reboot.

I tried yet another test by setting com_myapp_www to the default
webapp in the server.xml file. It looks like this

<Host name="localhost" appBase="webapps"
~       unpackWARs="false" autoDeploy="true"
~       xmlValidation="false" xmlNamespaceAware="false">     
~        <Context path="" docBase="com_myapp_www" reloadable="true">
~        </Context>
~      </Host>

So now when I hit localhost:8080 it will pull up com_myapp_www. Now
the oddity is when I undeploy that app and hit localhost:8080 it still
returns the content but the war is removed from the webapps directory
(because the content is being pulled from the work directory by
Tomcat)? but when I deploy the updated war file and hit localhost:8080
it still shows the old content BUT when I hit
localhost:8080/com_myapp_www/ it displays the new content but
localhost:8080 is still showing the old.

Does anyone have any suggestions as to what I can do to solve this
problem? It would make my life so much easier to be able to deploy a
new webapp from a war file and not have to restart Tomcat to see the
changes.  

Thanks in advance
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