Your package jpf failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6993236 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 905726 [details] build.log
Created attachment 905727 [details] root.log
Created attachment 905728 [details] state.log
jpf-1.5.1-11.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/jpf-1.5.1-11.fc21
Package jpf-1.5.1-11.fc21: * should fix your issue, * was pushed to the Fedora 21 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing jpf-1.5.1-11.fc21' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2015-1138/jpf-1.5.1-11.fc21 then log in and leave karma (feedback).
jpf-1.5.1-11.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.