Exception in thread "AWT-EventQueue-0" , java.lang.​NullPointe​rException for MATLAB Command Window Usage

I have used

com.mathworks.mde.cmdwin.CmdWin.getInstance() , to get the insatnce of command window in script.

After creating Console Application using R2010b sp1,and running application, am getting below java nullpointer error upon application startup.

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException

        at com.mathworks.mde.cmdwin.CmdWin$CWDTClientListener.run(CmdWin.java:407)

        at java.awt.event.InvocationEvent.dispatch(Unknown Source)

        at java.awt.EventQueue.dispatchEvent(Unknown Source)

        at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)

        at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)

        at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

        at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

        at java.awt.EventDispatchThread.run(Unknown Source)

I have tried to include mde.jar in package but that didn't worked