Exception when exporting a PAR File

hi everybody,

I've a problem when exporting par file:

I have the follow message:"soory, some uncaught error occured during the requested operation".

My config:

Win2000

WSAD 5.1(Eclipse 2.1.1)

Tomcat 3.3.1a

PDK 5.0.5

Plugin eclipse pdk 5.0.5

I've re-installed tomcat,the pdk and plugin but it does'nt work.

Please, if you have any clues or answers...

Bests regards,

Nicolas