java.net.SocketException: Connection reset by peer: socket write error
   at java.net.SocketOutputStream.socketWrite0(SocketOutputStream.java:0)
   at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
   at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
   at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
   at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291)
   at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:295)
   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.__send(FTP.java:496)
   at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:470)
   at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:547)
   at org.apache.commons.net.ftp.FTP.sendCommand(FTP.java:596)
   at org.apache.commons.net.ftp.FTP.noop(FTP.java:1700)
   at org.netbeans.modules.php.project.connections.ftp.FtpClient.keepAlive(FtpClient.java:538)
   at org.netbeans.modules.php.project.connections.ftp.FtpClient$1.run(FtpClient.java:117)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1973)