Your package man-pages-ja failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6952435 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 904045 [details] build.log
Created attachment 904046 [details] root.log
Created attachment 904047 [details] state.log
Fixed in man-pages-ja-20140515-1.fc21.