title: Blackberry Error: Cannot run program "jar": CreateProcess error=2, The system cannot find the file specified
body: <p>I have large number of class files , with field managers.I am getting this error 
  Re: I/O Error: Cannot run program "jar": CreateProcess error=2, The system cannot find the file specified, on running the app.If i am excluding some classes it works fine for me ..Please suggest me how to resolve this error .</p>