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    I'm trying to see the interface design for JSF of a file. xhtml and the eclipse frawerok throw an error :


    Could not open the Visual Page Editor:

    org.eclipse.swt.SWTError: XPCOM error -2142109675


    I'm using ubuntu 10.4 and eclipse helios.


    I solved the problem by closing and restarting eclipse by terminal, typing:


    $ sudo ./eclipse


    The problem was caused because the eclipse's launcher don't had enough privileges.