Hello,
I use Cayenne with Tapestry and tomcat.

I fetch data from the DB using Cayenne The application runs well until I make 
change on the Java file like Home.java I have to restart TOMCAT new. Restarting 
the Application doesnot solve the problem.
Changing the Home.page or Home.html does not create the error.
The error i get is:
------------------------------------------------------------------------
      java.lang.ClassCastException 
      de.model.MenuObject cannot be cast to de.model.MenuObject 

------------------------------------------------------------------------

Anybody knows why or how can i solve this?

I face this problem only with Cayenne, cos using a sample List does not creates 
this effect.

Thx in advance.

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