1: 2: import javax.xml.bind.JAXBContext; 3: import javax.xml.bind.JAXBElement; 4: ... 5: public Status isElement001( ) { 6: JAXBContext context; 7: try { 8: ... 9: } 10: JAXBIntrospector introspector = context.createJAXBIntrospector(); 11: if(introspector == null){ 12: ... 13: return Status.failed("JAXBContext.createJAXBIntrospector() has returned null");