Thanks a lot.
The code works fine, but at the end it hangs after the while loop,
just before channel.disconnect(), so i thought may be out.close() needs
to be done,
before channel.disconnect(), after i tried that, out.close() keeps hanging.
The file that is created /tmp/foo.tgz, but if i do local command tar
xvf- /tmp/foo.gz,
that local command also keeps hanging and not coming back.
Can you please let me know what needs to be done to avoid that hanging.
Also, I have one more question unrelated to this topic,
if i want to transfer two concurrent files at the same time, do i have
to open two connections,
or just one connection and use two channels ?
thanks.
Viji
Atsuhiko Yamanaka wrote:
> Hi,
>
> +-From: Vijaya Natarajan <v...@hpcrd.lbl.gov> --
> |_Date: Tue, 09 Aug 2011 14:58:14 -0700 __
> |
> |I am following the suggestions given in this reply to use
> |tar -c -f -z folder to speed up the download transfers.
> |I tried it in my program, it is said just send the output to std output
> |and later piped and save it in a file.
> |Is there any example to show how to do that. I would really appreciate
> that.
>
> Suppose that if you want to do following ssh command operations in JSch APIs,
> $ ssh f...@example.com "(cd /usr; tar czf - src)" > /tmp/foo.tgz
> how about following chunk of code?
>
> Channel channel=session.openChannel("exec");
>
> String command="(cd /usr; tar czf - src)";
> ((ChannelExec)channel).setCommand(command);
>
> java.io.FileOutputStream out = new
> java.io.FileOutputStream("/tmp/foo.tgz");
> channel.setOutputStream(out);
> channel.setInputStream(null);
> ((ChannelExec)channel).setErrStream(System.err);
>
> channel.connect();
>
> while(true){
> if(channel.isClosed()){
> System.out.println("exit-status: "+channel.getExitStatus());
> break;
> }
> try{Thread.sleep(1000);}catch(Exception ee){}
> }
> channel.disconnect();
>
> out.close();
>
>
> Sincerely,
> --
> Atsuhiko Yamanaka
> JCraft,Inc.
> 1-14-20 HONCHO AOBA-KU,
> SENDAI, MIYAGI 980-0014 Japan.
> Tel +81-22-723-2150
> +1-415-578-3454
> Skype callto://jcraft/
> Twitter: http://twitter.com/ymnk
> Facebook: http://facebook.com/aymnk
>
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