NullPointerException in Seam application on EntityHome.update() in EAP 5.

Solution Verified - Updated -

Issue

NullPointerException is thrown when updating a Seam entity.

        Caused by: java.lang.NullPointerException
         at org.jboss.seam.framework.Controller.debug(Controller.java:197)
         at org.jboss.seam.framework.Home.updatedMessage(Home.java:54)
         at org.jboss.seam.framework.EntityHome.update(EntityHome.java:65)
...
         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
...

Environment

JBoss Enterprise Application Platform (EAP) 5.1.0

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