Github user kirklund commented on a diff in the pull request:

    https://github.com/apache/geode/pull/699#discussion_r132599242
  
    --- Diff: 
geode-core/src/main/java/org/apache/geode/distributed/LocatorLauncher.java ---
    @@ -1352,11 +1328,13 @@ protected void parseCommand(final String... args) {
          * @see 
org.apache.geode.distributed.LocatorLauncher.Command#isCommand(String)
          * @see #parseArguments(String...)
          */
    -    protected void parseMemberName(final String[] args) {
    -      for (String arg : args) {
    -        if (!(arg.startsWith(OPTION_PREFIX) || Command.isCommand(arg))) {
    -          setMemberName(arg);
    -          break;
    +    protected void parseMemberName(final String... args) {
    +      if (args != null) {
    +        for (String arg : args) {
    +          if (!(arg.startsWith(OPTION_PREFIX) || Command.isCommand(arg))) {
    --- End diff --
    
    We need to refactor these classes a lot more. I only copied line 1332 from 
ServerLauncher which then indented the rest of the lines. I made sure that 
everything was more consistent. LocatorLauncher threw NPE if args was null but 
ServerLauncher was ok with null.


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