From: Xavier Callejas <xavier_at_sistemasaereos.com.sv>
Date: Mon, 25 Apr 2011 09:58:13 -0600

On Lun 25 Abr 2011 04:01:09 forums_at_java.net escribió:
> sorry, i also can't help you, but I've got the same exception.

Are you using Eclipselink? if so, look for weaving configuration, turn it off
to see what happens:

In persistence.xml add the line in the properties section:


    <properties>
        ...
      <property name="eclipselink.weaving.fetchgroups" value="false"/>
        ...
    </properties>


rgds.