I have a Jenkins set up that uses slaves and archives files after a build. What I've found is that if there is a file that uses multi-byte characters in the name (like 日本語ファイル) then the name gets altered when uploaded to the Jenkins master. Using the master node does not have the issue, so I did some research and found that the problem actually lies in the version of Ant that is being used (1.8.3) and how it reads file names and converts the multi-byte characters down to one byte. It looks like the issue was fixed in Apache Ant 1.9.0