Hi All, 
 I am using Javassist to modify a MIDlet class. I was successfully able to 
change the midlet class file and view the changes in Bytecode Viewer. 


But when i try to run the application with WTK emulator it gives me an error as 
follows: 

Error verifying method com/test/TestApp 
commandAction(Ljavax/microedition/lcdui/Command;Ljavax/microedition/lcdui/Displayable;)V
 
Approximate bytecode offset 9: Inconsistent or missing stackmap at target 
Method............: 10233084 'com/sun/midp/midlet/MIDletState.createMIDlet 
(static)' 

I tried calling the following methods at the end to see if it fixes the problem 
but it didnt 
1)  methods.getMethodInfo().rebuildStackMap(classPool) on all the methods of 
the midlet class 
2) CtClass.rebuildClassFile() but didnt help.
 

If I run preverification on jar with the modified class files in it and then 
run the application in the simulator, i am able to run it. I am guessing that 
the preverification tool rebuilt the stackmap and hence i could run the midlet 
in the simulator. 


My question is there any way to modify j2me class files without having to run 
preverification ?






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