Please urgent need of help

Error in Visual Editor for java with eclipse
hello eb
till i ysterday i used visual editor for java with eclipse normally without any problem but to day when i opened eclipse it display me this error :
Error trying to set new File into editor
Motif : java.lang.NullPointerException
and i think that the problem comes from the visual editor plugin because when i add a new frame or even for the old frame it dosent display for me the graphical component like every time
if si has the solution or can advise me thank you alot and i really dont know what to do .
it is for my stydy project and i have to finish xorking as fast as possible so if so can help me

Multipost
http://forum.java.sun.com/thread.jspa?threadID=637030

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