Hi ,
I am using SSHExec for some remote command execution, some time it hangs for
long time.
To solve this problem I read the stream for a constant string and if that is
achieved I break from the loop, as
in.read() method is a blocking operation.
Now the problem coming is, if I want to create another session with the
remote machine to downlaod some trace file on that machine, I get exception,
and can not download the file.
The code I use for remote exec
Channel channel=session.openChannel("exec");
((ChannelExec)channel).setCommand(command);
channel.getInputStream();
channle.getOutputStream();
InputStream in=channel.getInputStream();
channel.connect();
byte[] tmp=new byte[1024];
while(true){
while(in.available()>0){
int i=in.read(tmp, 0, 1024);
if(i<0)break;
System.out.print(new String(tmp, 0, i));
output.write(tmp);
if(output.toString().indexOf("Installation completed". > -1){
break;}
}
if(channel.isClosed()){
System.out.println("exit-status: "+channel.getExitStatus());
break;
}
here i close the session and channel in finally block,
During download a file from the above remote machine, I get exception while
doing below
String command="scp -f "+rfile;
Channel channel=session.openChannel("exec");
((ChannelExec)channel).setCommand(command);
// get I/O streams for remote scp
OutputStream out=channel.getOutputStream();
InputStream in=channel.getInputStream();
void sendAck(InputStream in, OutputStream out)
{
// some code
out.write(); // This line gives some exception and session can not be
initialize.
}
Please help me, any help will be great in this regard.
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