My SFTPClient using edtftpjPRO 3.1 version is throwing below error on SFTP.connect.
INFO [com.mibs.ftp.SFTPConnectToServer] 29 Apr 2016 11:36:51.102 : Creating SFTP client
INFO [LicensePropertiesBase] 29 Apr 2016 11:36:51.106 : Licence expiry date: 31 Dec 9999
INFO [LicensePropertiesBase] 29 Apr 2016 11:36:51.107 : Production licence
INFO [com.mibs.ftp.SFTPConnectToServer] 29 Apr 2016 11:36:51.109 : Setting remote host
INFO [com.mibs.ftp.SFTPConnectToServer] 29 Apr 2016 11:36:51.110 : Loading client private-key from /opt/app/glassfish/domains/domain1/applications/j2ee-modules/dtb/WEB-INF/classes/com/mibs/ftp/new_dsa.ppk
INFO [com.mibs.ftp.SFTPConnectToServer] 29 Apr 2016 11:36:51.110 : Setting user-name, private key file and password
INFO [PuTTYPrivateKeyFormat] 29 Apr 2016 11:36:51.113 : Unpacking puTTY formatted private key
INFO [com.mibs.ftp.SFTPConnectToServer] 29 Apr 2016 11:36:51.118 : Connecting to server 10.2.1.1
INFO [SCPClient] 29 Apr 2016 11:36:51.119 : SCPClient settings validated.
INFO [TransportProtocolCommon] 29 Apr 2016 11:36:51.124 : Timeout=60000
INFO [TransportProtocolCommon] 29 Apr 2016 11:36:51.124 : Wait for state update timeout=60000
INFO [TransportProtocolCommon] 29 Apr 2016 11:36:51.137 : Wait for state update timeout=60000
INFO [DhGroup1Sha1] 29 Apr 2016 11:36:51.180 : Starting client side key exchange.
ERROR [TransportProtocolCommon] 29 Apr 2016 11:36:51.221 : The Transport Protocol thread failed : The socket is EOF
java.io.IOException: The socket is EOF
at com.enterprisedt.net.j2ssh.transport.A.A(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.A.B(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.TransportProtocolCommon.readMessage(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.kex.DhGroup1Sha1.performClientExchange(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.TransportProtocolClient.performKeyExchange(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.TransportProtocolCommon.beginKeyExchange(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.TransportProtocolCommon.A(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.TransportProtocolCommon.startBinaryPacketProtocol(Unknown Source)
at com.enterprisedt.net.j2ssh.transport.TransportProtocolCommon.run(Unknown Source)
at java.lang.Thread.run(Thread.java:662)
My client program below
// create client
log.info("Creating SFTP client");
SSHFTPClient ftp = new SSHFTPClient();
// set remote host
log.info("Setting remote host");
ftp.setRemoteHost(host);
// the client's public key file must be in authorized_keys or
// the equivalent on the server
log.info("Loading client private-key from " + keyfile);
log.info("Setting user-name, private key file and password");
ftp.setAuthentication(keyfile, username, password);
//log.info("Turning off server validation");
ftp.getValidator().setHostValidationEnabled(false);
log.info("Connecting to server " + host);
ftp.connect();
// set transfer buffer size
// we set this to a number much smaller than the size of the
// file to be transferred. Progress is only updated when the
// transfer buffer is emptied
log.info("Setting transfer buffer size to 512 bytes");
ftp.setTransferBufferSize(512);
// use binary so file sizes can be compared precisely
log.info("Setting transfer mode to BINARY");
ftp.setType(FTPTransferType.BINARY);
//log.info("Uploading file");
//for [unix]
log.info("Change directory to " + mibsdir+"/"+brno);
ftp.chdir(mibsdir+"/"+brno);
//for [windows]
//log.info("Change directory to " + mibsdir+"\\"+brno);
//ftp.chdir(mibsdir+"\\"+brno);
// put the file
//ftp.put(filename, filename);
log.info("Transfer from " + localdir+File.separatorChar+brno+File.separatorChar+filename);
ftp.put(localdir+File.separatorChar+brno+File.separatorChar+filename, filename);
log.info("Successfully transferred in BINARY mode");
//log.info("File uploaded");
// Shut down client
log.info("Quitting client");
ftp.quit();
log.info("SFTP complete");
Logger.shutdown();
Please help why this happens. I created new keys and able to SFTP from SSH without password being prompted. Only through program the issue arises. Please help asap.
