My question may sound stupid to anyone who has any knowledge about protocols and networking.

I'm looking for a java library that allows to run a FTP server, compatible with Android.
I tried Apache FTPServer, but I keep getting errors from Dalvik, or the library itself...

Searching on google doesn't give any interesting results, and since I never touched FTP programming before, I don't really know where to begin.

Thanks in advance for your support.