Can you update .class files in a running portal instance?

We are developing with wlportal4.0 sp2/wlserver6.1 sp2 and we're having a problem
with the .class files which define our custom servlets, tag-libraries, etc. We store
all of the class files required by the portal under (obviously) the web-apps "WEB-INF/classes"
directory, following the standard J2EE servlet contract. Everything works fine,
but if we change one of the .class files while the server is running, no matter which
.class file it is, we receive a "Webflow Configuration Error":
Webflow Configuration Error:
XML File: portal.wf
Current Namespace: portal
Configuration Error Message:
ClassCastException was throw while trying to cast class [com.bea.p13n.appflow.webflow.internal.IPProcessor]
to [{1}].
.. Followed by a dump of the pipeline session and the session attributes. The only
way to get around this we've found is to stop and re-start the portal which, obviously,
is a pain.
Has anybody run into this situation and found a workaround?
Thanks!

Seeing how your getting an webflow type error. If these classes are inputprocessors
issue a support ticket about "hot deployments of input processors"
-Travis
"Joshua Davies" <[email protected]> wrote:
>
We are developing with wlportal4.0 sp2/wlserver6.1 sp2 and we're having
a problem
with the .class files which define our custom servlets, tag-libraries, etc.
We store
all of the class files required by the portal under (obviously) the web-apps
"WEB-INF/classes"
directory, following the standard J2EE servlet contract. Everything works
fine,
but if we change one of the .class files while the server is running, no
matter which
.class file it is, we receive a "Webflow Configuration Error":
Webflow Configuration Error:
XML File: portal.wf
Current Namespace: portal
Configuration Error Message:
ClassCastException was throw while trying to cast class [com.bea.p13n.appflow.webflow.internal.IPProcessor]
to [{1}].
... Followed by a dump of the pipeline session and the session attributes.
The only
way to get around this we've found is to stop and re-start the portal which,
obviously,
is a pain.
Has anybody run into this situation and found a workaround?
Thanks!

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