JDev 10.1.2 - JSF 1.1_02 - error hangs entire application

Question

Hi,
I'm building my first JSF application and an issue has arisen during testing which has us all stumped! Whenever an error occurs for a particular user, the entire application then falls over and all other users then see (different) error messages too.
Let me try to describe the scenario in detail.
1. 10 users are using the main page of the application quite happily.
2. Another user logs in and visits a different page in the same application. This page contains a bug.
3. The application serves the error page to this user as an unhandled exception was thrown when processing the request.
4. The other 10 users also get the error page even though they have not visited the buggy page! The application has fallen over and requires the container to be restarted.
Steps 1-3 are obvious, but I don't understand step 4 - why should the application fail to continue serving bug-free pages to all other users? Is this the expected behaviour for JSF applications? (Other platforms I've used don't behave this way.)
I can easily replicate this issue by introducing a typo to a component's EL binding. The initial error message is
javax.servlet.jsp.JspException: Error getting property 'thisisatypo' from bean of type com.mypackage.MyBeanAll other users then see a secondary error message:
java.lang.IndexOutOfBoundsExceptionOther applications on the app server are not affected.
Is there a way to configure or recode the application to better handle exceptions so that the application itself doesn't hang and other users can continue to use it? Is it a threading issue? Or is this an issue with the application server, which requires reconfiguration to fix it?
A thread on Sun's JSF forum mentions a similar issue, but no-one has answered it: http://forums.sun.com/thread.jspa?forumID=881&threadID=5049367
My environment:
JSF: v1.1_02 (Sun JSF RI)
IDE: JDeveloper 10.1.2.3.0
Java: 1.4.2_06
App Server: Oracle App Server 10g (OC4J 9.0.4.0.0)
(Upgrading to more recent versions of JSF or application server are not options at the moment - my organisation has already scheduled upgrades sometime within the next 12 months or so, but I cannot bring them forward!)

Answer 1

Hi Frank, thanks for your reply.
I did indeed manually configure JSF for JDev 10.1.2 & Oracle App Server 10g (OC4J 9.0.4), following the instructions provided by Oracle at [http://www.oracle.com/technology/products/jdev/howtos/10g/jsf_howto/jsf.html|http://www.oracle.com/technology/products/jdev/howtos/10g/jsf_howto/jsf.html]
I have just spent some time porting my application to JDev 10.1.3 & OC4J 10.1.3, as you suggest, and I can confirm that the issue does not appear using this platform.
However, my organisation does not have this version of Oracle App Server in production. As I indicated in my first post, an upgrade from 9.0.4 to a newer version (tbc) should occur sometime in the next 12 months, but we undertook this project on the basis that JSF would work on Oracle App Server 10g (OC4J 9.0.4), as per the "how to" above.
If this is not the correct forum to pursue this issue, where, or with whom, should I?
Many thanks,