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Both MyFaces and the RI are on your classpath

843844Mar 7 2007 — edited Jun 8 2007

I don't know how, but in some way I've got both jsf verions, Sun and MyFaces, in my classpath. I'm working on a project where I need the tomahawk dataTable newspaperColumns function. Because of that I needed to use the myfaces implementation of jsf. I removed the other librarys, but it seems like something has not been deleted.
I get the message that

09:18:08,734 INFO  [MyfacesConfig] Starting up Tomahawk on the RI-JSF-Implementation.
09:18:08,734 INFO  [MyfacesConfig] Starting up Tomahawk on the MyFaces-JSF-Implementation
09:18:08,734 ERROR [MyfacesConfig] Both MyFaces and the RI are on your classpath. Please make sure to use only one of the two JSF-implementations.

And when I try to open the page where I use newspapercolumns I get this error:

Unable to find setter method for attribute: newspaperColumns
	javax.faces.webapp.FacesServlet.service(FacesServlet.java:152)

Is there an connection between this problems? And how can I solve them?

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Locked on Jul 6 2007

Added on Mar 7 2007

#javaserver-faces

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