Is it so that a primary key of a bean is not modifiable other than during creation and when data was fetched through find methods? So the set accessor method of the class that is specified as a primary key class for that bean[CMP] cannot be called by any means!
Page 130 of the specification says: "Once the primary key for an entity bean has been set, the Bean Provider must not attempt to change it by use of set accessor methods on the primary key cmp-fields. The Bean Provider should therefore not expose the set accessor methods for the primary key cmp-fields in the component interface of the entity bean."
Page 134 completes saying that "If the Bean Provider attempts to reset a primary key value, the container must throw the java.lang.IllegalStateException."