Hi, can you please update JOSM to last version ? The current version in fedora is 6502 and the one available is 6950. Internet website : http://josm.openstreetmap.de I'll be able to test on fedora 20. Thank you for your help.
josm-0-0.52.7000svn.fc20 has been submitted as an update for Fedora 20. https://admin.fedoraproject.org/updates/josm-0-0.52.7000svn.fc20
Package josm-0-0.52.7000svn.fc20: * should fix your issue, * was pushed to the Fedora 20 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing josm-0-0.52.7000svn.fc20' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2014-6094/josm-0-0.52.7000svn.fc20 then log in and leave karma (feedback).
josm-0-0.52.7000svn.fc20 has been pushed to the Fedora 20 stable repository. If problems still persist, please make note of it in this bug report.