Java – a good tool for debugging verifyerror

I found bytecode verifyerrors notoriously difficult to debug JVMs provide little feedback, usually just the current class and sometimes methods@ H_ 404_ 2 @ some error examples I usually encounter when manually engineering bytecode through ASM or Jasmin:

Solution

I think you can use the checkclassadapter provided by ASM（ http://asm.ow2.org/asm40/javadoc/user/org/objectweb/asm/util/CheckClassAdapter.html ）. it provides more details about validation errors