While debugging my code in eclipse IDE,
the code enters into some class files.
Please refer to the screen shot here,
![enter image description here][1]
http://imageshack.us/f/26/newposterh.jpg/
I get confused here.
Please tell me what is the best way to recover in this case
You get
NoSuchMethodException. It can happen only if your sources are not synchronized. Meaning during the compilation you used one class, but in runtime you have replaced it with a different version of this class. Check your classpath.