Program: 85554
Project: 85554
Buggy source:
@Override public void discover(Properties databaseProperties,Properties columnProperties) throws DatabaseAnonymizerException {
  log.info("String_Node_Str");
  IDBConnection dbConnection=DBConnectionFactory.createDBConnection(databaseProperties);
  Connection connection=dbConnection.connect(databaseProperties);
  ResultSet rs=null;
  List<ColumnMetaData> map=new ArrayList<>();
  try {
    DatabaseMetaData md=connection.getMetaData();
    rs=md.getTables(null,null,"String_Node_Str",null);
    while (rs.next()) {
      String tableName=rs.getString(3);
      ResultSet resultSet=md.getColumns(null,null,tableName,null);
      while (resultSet.next()) {
        String columnName=resultSet.getString("String_Node_Str");
        String columnType=resultSet.getString("String_Node_Str");
        map.add(new ColumnMetaData(tableName,columnName,columnType));
      }
    }
    rs.close();
    connection.close();
  }
 catch (  SQLException e) {
    if (connection != null) {
      try {
        connection.close();
      }
 catch (      SQLException sqle) {
        log.error(sqle.toString());
      }
    }
    if (rs != null) {
      try {
        rs.close();
      }
 catch (      SQLException sql) {
        log.error(sql.toString());
      }
    }
    log.error(e.toString());
  }
  Configuration columnsConfiguration=null;
  try {
    columnsConfiguration=new PropertiesConfiguration("String_Node_Str");
  }
 catch (  ConfigurationException ex) {
    log.error(ColumnDiscoverer.class);
  }
  Iterator<String> iterator=columnsConfiguration.getKeys();
  List<String> suspList=toList(iterator);
  ArrayList<String> matches=new ArrayList<>();
  for (  String s : suspList) {
    Pattern p=compile(s);
    for (    ColumnMetaData pair : map) {
      String tableName=pair.getTableName();
      String columnName=pair.getColumnName();
      if (p.matcher(columnName).matches()) {
        matches.add(tableName + "String_Node_Str" + columnName);
      }
    }
  }
  log.info("String_Node_Str");
  log.info("String_Node_Str");
  log.info("String_Node_Str");
  for (  String entry : matches) {
    log.info(entry);
  }
}

Fixed version (ground truth):
@Override public void discover(Properties databaseProperties,Properties columnProperties) throws DatabaseAnonymizerException {
  log.info("String_Node_Str");
  IDBConnection dbConnection=DBConnectionFactory.createDBConnection(databaseProperties);
  Connection connection=dbConnection.connect(databaseProperties);
  ResultSet rs=null;
  List<ColumnMetaData> map=new ArrayList<>();
  try {
    DatabaseMetaData md=connection.getMetaData();
    if (databaseProperties.getProperty("String_Node_Str").equals("String_Node_Str")) {
      rs=md.getTables(null,null,null,new String[]{"String_Node_Str"});
    }
 else {
      rs=md.getTables(null,null,"String_Node_Str",null);
    }
    while (rs.next()) {
      String tableName=rs.getString(3);
      ResultSet resultSet=null;
      if (databaseProperties.getProperty("String_Node_Str").equals("String_Node_Str")) {
        resultSet=md.getColumns("String_Node_Str","String_Node_Str",tableName,null);
      }
 else {
        resultSet=md.getColumns(null,null,tableName,null);
      }
      while (resultSet.next()) {
        String columnName=resultSet.getString("String_Node_Str");
        String columnType=resultSet.getString("String_Node_Str");
        map.add(new ColumnMetaData(tableName,columnName,columnType));
      }
    }
    rs.close();
    connection.close();
  }
 catch (  SQLException e) {
    if (connection != null) {
      try {
        connection.close();
      }
 catch (      SQLException sqle) {
        log.error(sqle.toString());
      }
    }
    if (rs != null) {
      try {
        rs.close();
      }
 catch (      SQLException sql) {
        log.error(sql.toString());
      }
    }
    log.error(e.toString());
  }
  Configuration columnsConfiguration=null;
  try {
    columnsConfiguration=new PropertiesConfiguration("String_Node_Str");
  }
 catch (  ConfigurationException ex) {
    log.error(ColumnDiscoverer.class);
  }
  Iterator<String> iterator=columnsConfiguration.getKeys();
  List<String> suspList=toList(iterator);
  ArrayList<String> matches=new ArrayList<>();
  for (  String s : suspList) {
    Pattern p=compile(s);
    for (    ColumnMetaData pair : map) {
      String tableName=pair.getTableName();
      String columnName=pair.getColumnName();
      if (p.matcher(columnName).matches()) {
        matches.add(tableName + "String_Node_Str" + columnName);
      }
    }
  }
  log.info("String_Node_Str");
  log.info("String_Node_Str");
  log.info("String_Node_Str");
  for (  String entry : matches) {
    log.info(entry);
  }
}