[GitHub] [mina-sshd] zane-rl opened a new issue, #358: execute command return null

[via GitHub]

zane-rl opened a new issue, #358:
URL: https://github.com/apache/mina-sshd/issues/358

   ### Version
   
   2.5.1
   
   ### Bug description
   
   ` // listFolderStructureBySshd("user", "password", "host", 22, 3, "ls -al 
~/.ssh");
       public static void listFolderStructureByJsch(String username, String 
password, String host, int port, String command) throws Exception {
           Session session = null;
           ChannelExec channel = null;
   
           try {
               session = new JSch().getSession(username, host, port);
               session.setPassword(password);
               session.setConfig("StrictHostKeyChecking", "no");
               session.connect();
   
               channel = (ChannelExec) session.openChannel("exec");
               channel.setCommand(command);
               ByteArrayOutputStream responseStream = new 
ByteArrayOutputStream();
               channel.setOutputStream(responseStream);
               channel.connect();
   
               while (channel.isConnected()) {
                   Thread.sleep(100);
               }
   
               String responseString = new String(responseStream.toByteArray());
               System.out.println(responseString);
           } finally {
               if (session != null) {
                   session.disconnect();
               }
               if (channel != null) {
                   channel.disconnect();
               }
           }
       }`
   envirenment:mac os and idea
   
   ### Actual behavior
   
   output null 
   
   ### Expected behavior
   
   `total 96
   drwxr-xr-x   10 boleyn  staff    320 Apr 14 16:11 .
   drwxr-xr-x+ 173 boleyn  staff   5536 Apr 14 18:50 ..
   -rw-------    1 boleyn  staff   1823 Mar 12  2019 id_rsa
   -rw-r--r--    1 boleyn  staff    395 Mar 12  2019 id_rsa.pub
   -rw-r--r--    1 boleyn  staff    887 Jun 21  2021 id_rsa_gitlab
   -rw-r--r--    1 boleyn  staff    222 Jun 21  2021 id_rsa_gitlab.pub
   -rw-------    1 boleyn  staff   1864 Mar 23  2020 identity
   -rw-r--r--    1 boleyn  staff    400 Mar 23  2020 identity.pub
   -rw-------    1 boleyn  staff  10908 Apr 14 16:11 known_hosts
   -rw-r--r--    1 boleyn  staff  10166 Apr 14 16:10 known_hosts.old`
   
   ### Relevant log output
   
   _No response_
   
   ### Other information
   
   _No response_


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