This bug is a Fedora version of Eclipse bug 210144 which requires the Changelog plugin to remove the CVS dependency and work with multiple repositories.
Fix supplied in eclipse-changelog-2.6.0-1
eclipse-changelog-2.6.0-1.fc8 has been pushed to the Fedora 8 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update eclipse-changelog'
eclipse-changelog-2.6.0-1.fc8 has been pushed to the Fedora 8 stable repository. If problems still persist, please make note of it in this bug report.