Problems with the ApplicationRuntimeException

[Chris Norris <CN...@widen.com>]

Lately I've been having problems with throwing ApplicationRuntimeExceptions.
I think this may be more of a Tomcat problem than a Tapestry one, but I'm
not sure.  Here's what happens:

When the ARE is thrown, Tomcat gives me an error that starts off with this:
exception 

javax.servlet.ServletException
	at
org.apache.tapestry.engine.AbstractEngine.activateExceptionPage(AbstractEngi
ne.java:522)
	at
org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:954)
	at
org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:238
)
	at
org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:199)


So the exception page is not even displaying.  The root cause is this:
root cause 

org.apache.tapestry.ApplicationRuntimeException
	at
org.apache.tapestry.engine.RequestCycle.renderPage(RequestCycle.java:425)
	at
org.apache.tapestry.engine.AbstractEngine.renderResponse(AbstractEngine.java
:774)
	at
org.apache.tapestry.engine.AbstractEngine.activateExceptionPage(AbstractEngi
ne.java:501)
	at
org.apache.tapestry.engine.AbstractEngine.service(AbstractEngine.java:954)
	at
org.apache.tapestry.ApplicationServlet.doService(ApplicationServlet.java:238
)
	at
org.apache.tapestry.ApplicationServlet.doGet(ApplicationServlet.java:199)


Now, I've found a work around that is horrible and painful.  If I stop the
Tomcat service, go to the tomcathome\work\Standalone\localhost directory,
delete the directory that corresponds to my application, and then restart
Tomcat (this recreates the directory I deleted), everything works fine.  The
ApplicationRuntimeException is thrown and the regular Tapestry exception
page shows up.

This has boggled a few minds here.  Any ideas?

-chris

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