Your package netty failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6964870 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 904430 [details] build.log
Created attachment 904431 [details] root.log
Created attachment 904432 [details] state.log
Fixed in netty-4.0.19-1
I believe that this bug is fixed in netty-4.0.19-1, which is available in Fedora Rawhide, so I am closing this bug now. The build containing the fix can be found at Koji: http://koji.fedoraproject.org/koji/buildinfo?buildID=537002