Hi Viet,
Here we go-
import java.io.IOException;
import java.io.OutputStream;
import org.apache.log4j.Logger;
public class Log4JOutputStream extends OutputStream {
private static final Logger logger =
Logger.getLogger(Log4JOutputStream.class);
final StringBuilder string = new StringBuilder();
@Override
public void write(int b) throws IOException {
char current = (char) b;
if (current == '\n') {
logger.error(string.toString());
// Reset it
string.setLength(0);
} else {
string.append(current);
}
}
}
and the main class is
((ChannelExec) channel).setErrStream(new Log4JOutputStream());
-
Thanks
Ravi
On Tuesday, 31 December 2013 8:59 AM, Viet H. Phan <hoangvietp...@yahoo.com>
wrote:
Hi Ravi,
Following please find a solution:
1) Create a class (Log4JOutputStream) that extends OutputStream. Implement
write(...)methods of Log4JOutputStream in which you actually use log4j
2) Set a Log4JOutputStreaminstance to the ChannelExec channel
Hope this helps.
Regards,
Viet
________________________________
From: Ravi Joshi <ravi.josh...@yahoo.com>
To: Viet H. Phan <hoangvietp...@yahoo.com>; "jsch-users@lists.sourceforge.net"
<jsch-users@lists.sourceforge.net>
Sent: Monday, 30 December 2013 11:59 PM
Subject: Re: [JSch-users] How to set ChannelExec error stream from System.err
to log4j
Thanks Viet,
I got your idea and looked over the example code. However I am looking for any
short solution for this. Basically the example code
(http://www.jcraft.com/jsch/examples/Exec.java.html) line no 67 has following
line-
((ChannelExec) channel).setErrStream(System.err);
Now I have a modified class of Exec.java which uses log4j logger like this-
import org.apache.log4j.Logger;
public class Exec{
private static final Logger logger = Logger.getLogger(Exec.class);
public void execute(){
//All of the JSch errors are now written to System.error stream
((ChannelExec) channel).setErrStream(System.err);
//Instead of above line, how can I write these errors to logger
logger.error(/*set error stream to this*/);
}
}
How can I achieve this implementation?
-
Regards
Ravi
On Monday, 30 December 2013 7:56 AM, Viet H. Phan <hoangvietp...@yahoo.com>
wrote:
Hi Ravi,
1) Create your own Logger class that implements com.jcraft.jsch.Logger and uses
log4j
2) Apply your Logger using
com.jcraft.jsch.JSch.setLogger(com.jcraft.jsch.Logger) method
Check Logger class of JSch example for reference.
Hope this helps.
Regards,
Viet
________________________________
From: Ravi Joshi <ravi.josh...@yahoo.com>
To: "jsch-users@lists.sourceforge.net" <jsch-users@lists.sourceforge.net>
Sent: Sunday, 29 December 2013 4:47 PM
Subject: [JSch-users] How to set ChannelExec error stream from System.err to
log4j
Hi,
I want to execute a command to remote linux machine. I am referring Exec.java
(http://www.jcraft.com/jsch/examples/Exec.java.html) example code.
I just wanted to know How to set ChannelExec error stream from System.err to
log4j, so that all of these errors, I can get captured by log4j under error
catagory.
-
Thanks
Ravi
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