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Unknown entity: myorg.entityex.mapped.Animal
java.lang.IllegalArgumentException: Unknown entity: java.util.ArrayList at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:842) at org.idiria.mensajeria.actions.EnviarMensaje.execute(EnviarMensaje.java:116) at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:444) at org.openxava.controller.ModuleManager.executeAction(ModuleManager.java:363)