Warning upon compiling under JDev 3.1

Does anyone know why I get the following warning when I do make on the JSP's under Jdeveloper 3.1 running on NT 4.0:
?Warning: (0)ISO-8859-1 character set may not match project compiler settings
TIA,
Sassan

Thank you Anton,
I've tryed your solution but nothing
has changed, I always get the same message.
I'v also tryed to select and unselect all
the checkboxes and changed the name of
the deployed application but the result
is alwais the same.
Please all of you out there I really need help!!!!!
Where is the jdev team gone??
mauro

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