NoClassDefFoundError: javax.ejb.EJBObject

Hello,

yet another problem, in the hope of a quick answer from some expert:

Sometimes, after changing a template file while running the app under 
Tomcat 4.1.12, when I hit the reload button to see the changes the app 
locks up, and the page never reappears. When looking into the tomcat 
logs, I see a

NoClassDefFoundError: javax.ejb.EJBObject

in PageRecorder.persisteValue().

This obviously happens while tomcat is trying to serialize session data. 
I know I am not referencing any EJB stuff, so presumably Tapestry is 
doing it.

Is this expected behavior? Am I required to put the EJB jar files into 
the classpath to run tapestry on tomcat (or any other appserver)?

thanks,
Christian



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