mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;");
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z");
final Label l6 = new Label();
mv.visitJumpInsn(IFEQ, l6);
final Label l7 = new Label();
mv.visitLabel(l7);
mv.visitVarInsn(ALOAD, length);