Program: 51959
Project: 51959
Buggy source:
public static void main(String[] argv) throws IOException, SQLException, AuthorizeException {
  final String USAGE="String_Node_Str" + "String_Node_Str";
  final String loginRE="String_Node_Str" + "String_Node_Str" + "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str";
  Options options=new Options();
  options.addOption("String_Node_Str","String_Node_Str",false,"String_Node_Str");
  options.addOption("String_Node_Str","String_Node_Str",false,"String_Node_Str");
  options.addOption("String_Node_Str","String_Node_Str",false,"String_Node_Str");
  PosixParser parser=new PosixParser();
  CommandLine command=null;
  try {
    command=parser.parse(options,argv);
  }
 catch (  org.apache.commons.cli.ParseException ex) {
    System.err.println(ex.getMessage());
    if (!(ex instanceof MissingOptionException))     new HelpFormatter().printHelp(USAGE,options);
    System.exit(1);
  }
  if (command.hasOption('h')) {
    System.out.println("String_Node_Str");
    System.out.println();
    new HelpFormatter().printHelp(USAGE,options);
    System.exit(0);
  }
  final boolean VERBOSE=command.hasOption('v');
  final boolean PRETEND=command.hasOption('p');
  String[] args=command.getArgs();
  final Properties rmProps=new Properties();
  rmProps.put(RecordManagerOptions.DISABLE_TRANSACTIONS,"String_Node_Str");
  String dbname=new File(System.getProperty("String_Node_Str"),"String_Node_Str").getCanonicalPath();
  if (VERBOSE)   System.out.println("String_Node_Str" + dbname);
  RecordManager stamps=RecordManagerFactory.createRecordManager(dbname,rmProps);
  BTree stampDb=BTree.createInstance(stamps,new StringComparator());
  final Pattern loginCracker=Pattern.compile(loginRE);
  final SimpleDateFormat dateEncoder=new SimpleDateFormat("String_Node_Str");
  for (  String logName : args) {
    BufferedReader logReader=new BufferedReader(new FileReader(logName));
    while (true) {
      String line=logReader.readLine();
      if (null == line)       break;
      if (!line.contains("String_Node_Str"))       continue;
      Matcher loginMatcher=loginCracker.matcher(line);
      if (!loginMatcher.matches())       continue;
      String date=loginMatcher.group(1);
      String time=loginMatcher.group(2);
      String user=loginMatcher.group(3);
      String logDateTime=date + ' ' + time;
      Date stamp;
      try {
        stamp=dateEncoder.parse(logDateTime);
      }
 catch (      ParseException ex) {
        System.err.println("String_Node_Str" + ex.getMessage());
        continue;
      }
      Date previous=(Date)stampDb.find(user);
      if (null == previous || stamp.after(previous)) {
        stampDb.insert(user,stamp,true);
      }
    }
    logReader.close();
  }
  TupleBrowser walker=stampDb.browse();
  Tuple stamp=new Tuple();
  Context ctx=new Context();
  ctx.turnOffAuthorisationSystem();
  EPersonService ePersonService=EPersonServiceFactory.getInstance().getEPersonService();
  while (walker.getNext(stamp)) {
    String name=(String)stamp.getKey();
    Date date=(Date)stamp.getValue();
    EPerson ePerson;
    ePerson=ePersonService.findByEmail(ctx,name);
    if (null == ePerson)     ePerson=ePersonService.findByNetid(ctx,name);
    if (null == ePerson) {
      System.err.println("String_Node_Str" + name);
      continue;
    }
    Date previous=ePerson.getLastActive();
    if ((null == previous) || date.after(previous)) {
      if (PRETEND) {
        System.out.printf("String_Node_Str",ePerson.getID(),date,ePerson.getEmail(),ePerson.getNetid(),ePerson.getFullName());
      }
 else {
        ePerson.setLastActive(date);
        ePersonService.update(ctx,ePerson);
      }
    }
  }
  ctx.complete();
  stamps.close();
  File target;
  target=new File(dbname + "String_Node_Str");
  if (target.exists())   target.delete();
  target=new File(dbname + "String_Node_Str");
  if (target.exists())   target.delete();
}

Fixed version (ground truth):
public static void main(String[] argv) throws IOException, SQLException, AuthorizeException {
  final String USAGE="String_Node_Str" + "String_Node_Str";
  final String loginRE="String_Node_Str" + "String_Node_Str" + "String_Node_Str"+ "String_Node_Str"+ "String_Node_Str";
  Options options=new Options();
  options.addOption("String_Node_Str","String_Node_Str",false,"String_Node_Str");
  options.addOption("String_Node_Str","String_Node_Str",false,"String_Node_Str");
  options.addOption("String_Node_Str","String_Node_Str",false,"String_Node_Str");
  PosixParser parser=new PosixParser();
  CommandLine command=null;
  try {
    command=parser.parse(options,argv);
  }
 catch (  org.apache.commons.cli.ParseException ex) {
    System.err.println(ex.getMessage());
    if (!(ex instanceof MissingOptionException))     new HelpFormatter().printHelp(USAGE,options);
    System.exit(1);
  }
  if (command.hasOption('h')) {
    System.out.println("String_Node_Str");
    System.out.println();
    new HelpFormatter().printHelp(USAGE,options);
    System.exit(0);
  }
  final boolean VERBOSE=command.hasOption('v');
  final boolean PRETEND=command.hasOption('p');
  String[] args=command.getArgs();
  final Properties rmProps=new Properties();
  rmProps.put(RecordManagerOptions.DISABLE_TRANSACTIONS,"String_Node_Str");
  String dbname=new File(System.getProperty("String_Node_Str"),"String_Node_Str").getCanonicalPath();
  if (VERBOSE)   System.out.println("String_Node_Str" + dbname);
  RecordManager stamps=RecordManagerFactory.createRecordManager(dbname,rmProps);
  BTree stampDb=BTree.createInstance(stamps,new StringComparator());
  final Pattern loginCracker=Pattern.compile(loginRE);
  final SimpleDateFormat dateEncoder=new SimpleDateFormat("String_Node_Str");
  for (  String logName : args) {
    BufferedReader logReader=new BufferedReader(new FileReader(logName));
    while (true) {
      String line=logReader.readLine();
      if (null == line)       break;
      if (!line.contains("String_Node_Str"))       continue;
      Matcher loginMatcher=loginCracker.matcher(line);
      if (!loginMatcher.matches())       continue;
      String date=loginMatcher.group(1);
      String time=loginMatcher.group(2);
      String user=loginMatcher.group(3);
      String logDateTime=date + ' ' + time;
      Date stamp;
      try {
        stamp=dateEncoder.parse(logDateTime);
      }
 catch (      ParseException ex) {
        System.err.println("String_Node_Str" + ex.getMessage());
        continue;
      }
      Date previous=(Date)stampDb.find(user);
      if (null == previous || stamp.after(previous)) {
        stampDb.insert(user,stamp,true);
      }
    }
    logReader.close();
  }
  TupleBrowser walker=stampDb.browse();
  Tuple stamp=new Tuple();
  Context ctx=new Context();
  ctx.turnOffAuthorisationSystem();
  EPersonService ePersonService=EPersonServiceFactory.getInstance().getEPersonService();
  while (walker.getNext(stamp)) {
    String name=(String)stamp.getKey();
    Date date=(Date)stamp.getValue();
    EPerson ePerson;
    ePerson=ePersonService.findByEmail(ctx,name);
    if (null == ePerson)     ePerson=ePersonService.findByNetid(ctx,name);
    if (null == ePerson) {
      System.err.println("String_Node_Str" + name);
      continue;
    }
    Date previous=ePerson.getLastActive();
    if ((null == previous) || date.after(previous)) {
      if (PRETEND) {
        System.out.printf("String_Node_Str",ePerson.getID().toString(),date,ePerson.getEmail(),ePerson.getNetid(),ePerson.getFullName());
      }
 else {
        ePerson.setLastActive(date);
        ePersonService.update(ctx,ePerson);
      }
    }
  }
  ctx.complete();
  stamps.close();
  File target;
  target=new File(dbname + "String_Node_Str");
  if (target.exists())   target.delete();
  target=new File(dbname + "String_Node_Str");
  if (target.exists())   target.delete();
}