When I deploy a web application to the GFV3 or GFV4. The server.log shows the error message as "Both MyFaces and the RI are on your classpath. Please make sure to use only one of the two JSF-implementations." , I want to know whether any of you have been met this situation before and tell me how to avoid this error message.
The error message comes out when I deployed the attached web application though the application can be deployed successfully.
I have also attached the server.log.（http://www.java.net/comment/reply/895588#comment-form）