2011/3/11 Håkon Sagehaug <[email protected]>: > We use Mina FtpServer in on of our applications as a way to upload files. > Normally this goes without problems, but we observe with a large number of > files that the client(Jftp[1]), can open connections to the machine running > the ftp server. > > The client negotiates a socket for the data transfer and tries to connect, > but there is no socket on the server open. So I was wondering if anybody > else have experienced something similar.
For my understanding: clients have problem establishing the data connection, you don't see any problems with creating connections for the control connection? In the server log, do you see any activity when the client is supposed to connect? How many data connections ports are available for clients? FtpServer only allows one data connection per port. Have you checked netstat -a to see that you have free sockets available? /niklas
