Mode I......504 Unknown MODE type......disconnected

[arthur6174]

I use a method of java to update file to FZ-ftp,but appear Mode I......504 Unknown MODE type......disconnected.
The Eclipse show:
java.net.SocketException: Software caused connection abort: socket write error- Software caused connection abort: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at org.apache.commons.net.telnet.TelnetClient._flushOutputStream(TelnetClient.java:77)
at org.apache.commons.net.telnet.TelnetOutputStream.flush(TelnetOutputStream.java:137)
at java.io.FilterOutputStream.flush(FilterOutputStream.java:140)
at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:297)
at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141)
at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229)
at java.io.BufferedWriter.flush(BufferedWriter.java:254)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:436)
at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:469)
at org.apache.commons.net.ftp.FTP.port(FTP.java:798)
at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:458)
at org.apache.commons.net.ftp.FTPClient.__storeFile(FTPClient.java:369)
at org.apache.commons.net.ftp.FTPClient.storeFile(FTPClient.java:1369)

How to fix it,please!!!!!!!!!!

[boco]

FileZilla Server does only support MODE S and MODE Z (for compression). MODE I (whatever that is) is not implemented.