JSch Exec output for error

Question

I need to run shell script at a remote machine. I am using JSch to connect to the remote machine and executing the shell script using ChannelExec. I need to kno

Answer 1

Start with the official example for the "exec" channel, do not re-invent the wheel:
http://www.jcraft.com/jsch/examples/Exec.java.html

To read the error, read also the error stream using the ChannelExec.getErrStream.

Or merge the output and error streams into one:
How to get one stream from error stream and input stream when calling a script using JSCH