[jboss-user] [JBoss Seam] - Re: Problem with Seam2.0.Beta1 & a4j:poll

wise_guybg do-not-reply at jboss.com
Tue Jul 24 11:15:09 EDT 2007

I think we fixed the error:
anonymous wrote : java.lang.IllegalArgumentException: Stack must not be null
by adding 
to pages.xml

PS Funny this exception popped up today and I can't remember what was the cause. It's obvious from the stack trace that it has something to do with conversations.

PS 2 If it's not that attribute in pages that is missing check, also that the seam filter is properly setup:

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