Your package jbossxb failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6991404 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 905623 [details] build.log
Created attachment 905624 [details] root.log
Created attachment 905625 [details] state.log
Built successfully in Rawhide: http://koji.fedoraproject.org/koji/taskinfo?taskID=7109145