Looks like none of my posts have gotten through, so I'm guessing there's a big
backlog of posts waiting to be reviewed, for an unmaintained project.
Nonetheless, here is my latest problem: Exec is giving me read access, but not
write access. I can 'pwd' and 'ls' all I want, and even pipe ls into head, but
I can't mv or touch anything. The cmds don't generate output or stderr, but
nothing happens.
I also tried putting my key in .ssh/known_hosts and connecting without a
password, but that failed.
Bill
From: Bill Ross
Sent: Thursday, March 15, 2012 5:53 PM
To: 'jsch-users@lists.sourceforge.net'
Subject: RE: problems with jsch Exec.java demo
Maybe my earlier 2 posts have been waiting for moderation? Anyway, I thought
I'd throw a solution along too, in case this ever gets out J
InputStream in=channel.getInputStream();
BufferedReader fromServer = new BufferedReader(new InputStreamReader(in));
channel.connect();
System.out.println(fromServer.readLine());
Thanks to code for jsch Shell:
http://blog.james-carr.org/2006/07/11/ssh-over-java/
Bill
From: Bill Ross
Sent: Thursday, March 15, 2012 9:07 AM
To: 'jsch-users@lists.sourceforge.net'
Subject: RE: problems with jsch Exec.java demo
I'm sending this again since I sent it right after joining and didn't receive a
copy, so not sure if it went out.
Has anyone gotten output from jsch-0.1.46/examples/Exec.java?
It seems like there might also be a bug with java since the main() never
completes.
Bill
From: Bill Ross
Sent: Wednesday, March 14, 2012 5:14 PM
To: 'jsch-users@lists.sourceforge.net'
Subject: problems with jsch Exec.java demo
The Jsch 1.46 Exec demo isn't working for me, in that output of the
remote-execd-cmd (pwd) is getting lost. I can see it if I print the raw
buffers, but my InputStream has gotten the output only once out of 30 tries.
Also the program exits after the exec is done and before the rest of the demo
program's main() can run, even though I can't find any System.exit's in the
jsch code. Example code and output below.
Has anyone gotten the Exec functionality to work?
Thanks,
Bill
Code from Exec.java, with printlns added:
byte[] tmp=new byte[1024];
while(true){
System.out.println("=========== get " + in.available() + " cclosed " +
channel.isClosed()); // normally 0/false
while(in.available()>0){
int i=in.read(tmp, 0, 1024);
System.out.println("got " + i);
if(i<0)break;
System.out.print(new String(tmp, 0, i));
}
if(channel.isClosed()){
System.out.println("### exit-status: "+channel.getExitStatus()); //
not printed
break;
}
try{Thread.sleep(100);}catch(Exception ee){}
}
System.out.println("disconnecting"); // not printed
channel.disconnect();
session.disconnect();
}
Result:
Session.read()
ChannelExec start() cmd pwd
RequestExec.request() written ok
=========== get 0 cclosed false
=========== get 0 cclosed false
=========== get 0 cclosed false
Session.read() **if I print the buffer here, I can see the result of pwd:**
read [^
/home/xoom
āSāeā>]
Session.run() got exit-status: 0
Session.read()
Session.read()
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