How to use

getMessage

method

in

org.apache.commons.cli.AlreadySelectedException

 System.exit(-2);
} catch (AlreadySelectedException ex) {
 System.err.println("Argument already selected: " + ex.getMessage());
 printHelp();
 System.exit(-2);

/*****************************************************************************
 * {@link Runnable} Interface
 ****************************************************************************/
public void run(String[] args) throws IOException {
 if (needsHelp(args)) {
  printHelp();
  System.exit(0);
 }
 try {
  CommandLine cli = _parser.parse(_options, args, true);
  runApplication(cli, args);
 } catch (MissingOptionException ex) {
  System.err.println("Missing argument: " + ex.getMessage());
  printHelp();
 } catch (MissingArgumentException ex) {
  System.err.println("Missing argument: " + ex.getMessage());
  printHelp();
 } catch (UnrecognizedOptionException ex) {
  System.err.println("Unknown argument: " + ex.getMessage());
  printHelp();
 } catch (AlreadySelectedException ex) {
  System.err.println("Argument already selected: " + ex.getMessage());
  printHelp();
 } catch (ParseException ex) {
  System.err.println(ex.getMessage());
  printHelp();
 } catch (Exception ex) {
  ex.printStackTrace();
 }
}