Program: 8848
Project: 8848
Buggy source:
private static void primaryInstance(String[] args) throws Exception {
  final int defaultPort=8023;
  final OptionParser parser=new OptionParser();
  final OptionSpec<Integer> port=parser.accepts("String_Node_Str","String_Node_Str").withRequiredArg().ofType(Integer.class).defaultsTo(defaultPort);
  final OptionSpec<Boolean> secure=parser.accepts("String_Node_Str","String_Node_Str").withRequiredArg().ofType(Boolean.class);
  final OptionSpec<String> admissible=parser.accepts("String_Node_Str","String_Node_Str").withRequiredArg().ofType(String.class);
  final OptionSpec<?> help=parser.acceptsAll(asList("String_Node_Str","String_Node_Str","String_Node_Str"),"String_Node_Str").forHelp();
  final OptionSpec<String> nonOption=parser.nonOptions(Mode.PRIMARY + "String_Node_Str");
  final OptionSet options=parser.parse(args);
  final List<String> nonOptions=nonOption.values(options);
  if (options.has(help)) {
    parser.printHelpOn(System.out);
    System.exit(0);
  }
  if (nonOptions.isEmpty()) {
    parser.printHelpOn(System.err);
    System.exit(1);
  }
  List<String> admissibleSlaves=options.has(admissible) ? options.valuesOf(admissible) : Collections.EMPTY_LIST;
  FileStore store=null;
  StandbyServer failoverServer=null;
  try {
    store=new FileStore(new File(nonOptions.get(0)),256);
    failoverServer=new StandbyServer(options.has(port) ? options.valueOf(port) : defaultPort,store,admissibleSlaves.toArray(new String[0]),options.has(secure) && options.valueOf(secure));
    failoverServer.startAndWait();
  }
  finally {
    if (store != null) {
      store.close();
    }
    if (failoverServer != null) {
      failoverServer.close();
    }
  }
}

Fixed version (ground truth):
private static void primaryInstance(String[] args) throws Exception {
  final int defaultPort=8023;
  final OptionParser parser=new OptionParser();
  final OptionSpec<Integer> port=parser.accepts("String_Node_Str","String_Node_Str").withRequiredArg().ofType(Integer.class).defaultsTo(defaultPort);
  final OptionSpec<Boolean> secure=parser.accepts("String_Node_Str","String_Node_Str").withRequiredArg().ofType(Boolean.class);
  final OptionSpec<String> admissible=parser.accepts("String_Node_Str","String_Node_Str").withRequiredArg().ofType(String.class);
  final OptionSpec<?> help=parser.acceptsAll(asList("String_Node_Str","String_Node_Str","String_Node_Str"),"String_Node_Str").forHelp();
  final OptionSpec<String> nonOption=parser.nonOptions(Mode.PRIMARY + "String_Node_Str");
  final OptionSet options=parser.parse(args);
  final List<String> nonOptions=nonOption.values(options);
  if (options.has(help)) {
    parser.printHelpOn(System.out);
    System.exit(0);
  }
  if (nonOptions.isEmpty()) {
    parser.printHelpOn(System.err);
    System.exit(1);
  }
  List<String> admissibleSlaves=options.has(admissible) ? options.valuesOf(admissible) : Collections.EMPTY_LIST;
  FileStore store=null;
  StandbyServer failoverServer=null;
  try {
    store=new FileStore(new File(nonOptions.get(0)),256);
    failoverServer=new StandbyServer(options.has(port) ? options.valueOf(port) : defaultPort,store,admissibleSlaves.toArray(new String[admissibleSlaves.size()]),options.has(secure) && options.valueOf(secure));
    failoverServer.startAndWait();
  }
  finally {
    if (store != null) {
      store.close();
    }
    if (failoverServer != null) {
      failoverServer.close();
    }
  }
}