mb.appendCreateNew(MethodBuilder.FRAMEWORK_EXCEPTION_CLASS);
mb.appendDUP_X1();
mb.appendSWAP();
mb.appendCallInit(MethodBuilder.FRAMEWORK_EXCEPTION_CLASS,
MethodBuilder.EXCEPTION_CONSTRUCTOR_SIGNATURE1);
mb.appendThrow();
if (iffounds.length > 0) {
// finish by calling unmarshaller for extension mapping
// found and returning the result with no further
// processing