I am trying to use an SSH key with Jsch to copy a file via SFTP from one
machine to another. On the remote machine I have done:
$ssh-keygen -t rsa
<hit enter twice for blank passphrase>
I then end up with id_rsa and id_rsa.pub inside .ssh on the remote
machine. I copy these files to the local machine, which is where the java
program is running. This is my code:
static public final String sshuser = "<redacted>";
static public final String sshhost = "<redacted>";
static public final String privatesshkey = "id_rsa";
public boolean transferZipFile(String filename){
boolean success = true;
try{
JSch jsch = new JSch();
jsch.addIdentity(privatesshkey);
Session session = jsch.getSession(sshuser,sshhost,sshport);
java.util.Properties config = new java.util.Properties();
config.put("StrictHostKeyChecking","no");
session.setConfig(config);
session.connect();
Channel channel = session.openChannel("sftp");
channel.setInputStream(System.in);
channel.setOutputStream(System.out);
channel.connect();
ChannelSftp c = (ChannelSftp) channel;
c.put(filename,"/data/");
c.exit();
session.disconnect();
}catch(Exception e){
System.out.println("File transfer failed");
e.printStackTrace();
success = false;
}
return success;
}
And I am getting an exception:
com.jcraft.jsch.JSchException: Auth fail
at com.jcraft.jsch.Session.connect(Session.java:484)
at com.jcraft.jsch.Session.connect(Session.java:162)
at Synchronizer.transferZipFile(Synchronizer.java:185)
at Synchronizer.logoff(Synchronizer.java:137)
at Synchronizer.main(Synchronizer.java:61)
Any help appreciated, thanks!
Sincerely,
Ben May
Senior Research Analyst
Herbert Irving Comprehensive Cancer Center
212-851-4772
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