Your package guava failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6981490 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 905176 [details] build.log
Created attachment 905177 [details] root.log
Created attachment 905178 [details] state.log
Upstream bug: https://code.google.com/p/guava-libraries/issues/detail?id=1738
Fixed in guava-17.0-1
I believe that this bug is fixed in guava-17.0-1, 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=539183