I have the same problem with the following code in components.xml: | <core:resource-loader> | <core:bundle-names> | <value>ui</value> | </core:bundle-names> | </core:resource-loader> | Error description is: cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'core:resource-loader'. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4109190#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...