java.lang.ClassCastException: com.sun.faces.facelets.compiler.UIInstructions cannot be cast to org.primefaces.model.menu.MenuElement

Question

This morning I came in to my office and the first thing I saw: my company site crashed. Because of me I think.

Now I tried for one hour and a half to fix this, but I fou

Answer 1

Just add this to your web.xml:

   facelets.SKIP_COMMENTS
   true

It will skip the comments in your JSF while rendering.