Query useringroupcontactQuery = PUEntityManager.createQuery("SELECT u FROM Useringroupcontact u where u.pathGroup LIKE ?1%");
         useringroupcontactQuery.setParameter(1, fr.getPath());

Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: You have attempted to set a parameter at position 1 which does not exist in this query string SELECT u FROM Useringroupcontact u where u.pathGroup LIKE '1%'.
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.setParameterInternal(EJBQueryImpl.java:1150)