docs: public void run() {
  
          String line = null;
          try {
  
  
              int c;
              StringBuilder buf = new StringBuilder();
              while ((c = this.stderr.read()) != -1){
  
                  String s = String.valueOf((char) c);
  
                  if ((char)c == '\n'){
                      line = buf.toString();
  
                      buf = new StringBuilder();
                      logger.info("*\t" + line);
                  }
                  else {
                      buf.append(s);
                  }
              }
  
          } catch (final IOException e) {
              logger.error("error handling output streams", e);
          }
      }