248                     // should not happen as the GrumpyHelper will throw exceptions

   248                     // should not happen as the GrumpyHelper will throw exceptions

   249                     // in case of errors

   249                     // in case of errors

   250                     throw new IllegalArgumentException(flag);

   250                     throw new IllegalArgumentException(flag);

   251             }

   251             }

   252         }

   252         }

   253     }

   255     }

   254 

   256 

   255     public int run(InputStream in, OutputStream out, OutputStream err, String... arguments) {

   257     public int run(InputStream in, OutputStream out, OutputStream err, String... arguments) {

   256         if (err == null)

   258         if (err == null)

   257             err = System.err;

   259             err = System.err;