See <https://hudson.apache.org/hudson/job/ftpserver-1.0.x-jdk1.5-solaris/org.apache.ftpserver$ftpserver-core/66/changes>
- Hudson build became unstable: ftpserver-1.0 .x-jdk1.... Apache Hudson Server
- Hudson build is back to stable : ftpserver-1. 0.... Apache Hudson Server
