Can anyone out there comment on some of the ssh packages for java?
Have you tried any of them and were you happy with them?  I tried
using jsch, it is one of the optional packages that ant 1.6+ uses for
its ssh tasks.  I was trying to figure out how to execute commands via
ssh.  The jsch packages seems like its built more for tunnelling X or
something.....  It launches threads for input, error and output
streams and you have to wait for them to complete and there is no
event notification (like a listener) to tell you when IO is done.

I looked at the ant 1.6.2 code and it used a loop with a half-second
sleep.

[Snippet from ant.taskdefs.optional.ssh.SSHExec.java]

           // execute the command
           Session session = openSession();
           session.setTimeout((int) maxwait);
           final ChannelExec channel = (ChannelExec)
session.openChannel("exec");
           channel.setCommand(command);
           channel.setOutputStream(tee);
           channel.setExtOutputStream(tee);
           channel.connect();

           // wait for it to finish
           thread =
               new Thread() {
                   public void run() {
                       while (!channel.isEOF()) {
                           if (thread == null) {
                               return;
                           }
                           try {
                               sleep(500);
                           } catch (Exception e) {
                               // ignored
                           }
                       }
                   }
               };

           thread.start();
           thread.join(maxwait);

[end code snippet]

I thought it was a little messy and clumsy to have to code a sleep in
there to wait for IO completion of the ssh exec task.

I also looked at SSHTools and the API seemed very complicated.
Perhaps I'll take a look at it again, but I really didn't want to
write code to check keystores myself.

Hi,

Oh, yes ! How if I had not thought of it !

Wouldn't this be ... "google" ?

.....

If I post the question, it's that I have already searched on the web !!

Xavier

http://www.google.com/search?q=java+ssh2
Seems to give one as the first result, namely
http://www.jcraft.com/jsch/