InputStream in = channel.getInputStream();
byte[] bt = new byte]1024];
StringBuilder builder = new StringBuilder();
while(true){
    while(in,available()>0){
          int i = in.read(bt,0,1024);
          if(i<0){
             break;
             String str = new String(bt,0,i);
             builder.append(str);
         }
         if(channel.isClosed()){
               THread.sleep(2000);
                channel.disconnect();
                session.disconnect();
        }
   }
 
}我感觉可能是因为linux命令执行的太慢,java信息读取的太快,求大神指点