Read log file from remote machine real time with jsch extension

readLog.java

package com.lynas;


import com.pastdev.jsch.DefaultSessionFactory;
import com.pastdev.jsch.command.CommandRunner;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.StandardOpenOption.APPEND;
import static java.nio.file.StandardOpenOption.CREATE;

import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.HashMap;
import java.util.Map;

public class Main2 {
    public static void main(String[] args) throws Exception {
        DefaultSessionFactory sessionFactory = new DefaultSessionFactory(
                "username", "hostIp", 22
        );
        Map props = new HashMap<String, String>();
        props.put("StrictHostKeyChecking", "no");
        sessionFactory.setConfig(props);
        sessionFactory.setPassword("password");

        long startLine = 1;
        long endLine = 1;
        while (true) {
            CommandRunner runner = new CommandRunner(sessionFactory);
            String command = "sed -n '"+startLine+",$p;"+endLine+"q' /remote/dir/logFileName.log";
            CommandRunner.ExecuteResult result = runner.execute(command);
            if (result.getStderr().isEmpty()) {
                if (result.getStdout().isEmpty()) {
                    continue;
                }else {
                    startLine += 1;
                    endLine += 1;
                }
                Files.write(Paths.get("e:\\local\\directory\\server.log"), result.getStdout().getBytes(), APPEND);
            } else {
                System.out.println(result.getStderr());
            }
            runner.close();
            Thread.sleep(100);
        }

    }
}