Re: Error when using CheckClassAdapter

Wild guess, you have updated asm.jar but not asm-util.jar?

Sent from my phone. 


Jayanga Wagaarachchi <[email protected]> wrote:

>Hi,
>
>I wants to verify a class which I modified using ASM. I used the code
>example given in the documentation of CheckClassAdapter. But I receive an
>error
> "Exception in thread "main" java.lang.NoSuchMethodError:
>org.objectweb.asm.ClassReader.accept(Lorg/objectweb/asm/ClassVisitor;Z)V
>        at org.objectweb.asm.util.CheckClassAdapter.verify(Unknown Source) "
>
>I dont know why this error happens. Here is the code I used. Please tell me
>what I am doing wrong here
>
>            byte[] cl = bs.toByteArray();
>            ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
>            ClassReader cr = new ClassReader(cl);
>
>            ClassVisitor cv = new MyCheckClassAdapter(new
>CheckClassAdapter(cw));
>            cr.accept(cv, 0);
>
>             StringWriter sw = new StringWriter();
>            PrintWriter pw = new PrintWriter(sw);
>           CheckClassAdapter.verify(cr, true, pw);
>
>
>Thank you.
>-- 
>Jayanga Wagaarachchi
>Computer Science and Engineering
>University of Moratuwa.
>
>
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