Android studio未与Jsch一起运行.sh脚本

import com.jcraft.jsch.*;

public class JschExample {
    public static void main(String[] args) {
        try {
            JSch jsch = new JSch();
            Session session = jsch.getSession("username", "hostname", port);
            session.setConfig("StrictHostKeyChecking", "no");
            session.setPassword("password");
            session.connect();

            Channel channel = session.openChannel("exec");
            ((ChannelExec) channel).setCommand("./script.sh");
            channel.setInputStream(null);

            ((ChannelExec) channel).setErrStream(System.err);

            InputStream in = channel.getInputStream();

            channel.connect();

            // 处理命令输出
            byte[] buffer = new byte[1024];
            while (in.read(buffer) > 0) {
                System.out.println(new String(buffer));
            }

            channel.disconnect();
            session.disconnect();
        } catch (JSchException | IOException e) {
            e.printStackTrace();
        }
    }
}