Program: 128695
Project: 128695
Buggy source:
private void updatePackage(IMetadataConnection metadataConnection){
  if (metadataConnection == null) {
    return;
  }
  Driver derbyDriver=null;
  Connection sqlConn=null;
  String dbType=metadataconnection.getDbType();
  DatabaseConnection dbConn=(DatabaseConnection)metadataconnection.getCurrentConnection();
  List list=MetadataConnectionUtils.getConnection(metadataconnection);
  for (int i=0; i < list.size(); i++) {
    if (list.get(i) instanceof Driver) {
      String driverClass=metadataconnection.getDriverClass();
      if (MetadataConnectionUtils.isDerbyRelatedDb(driverClass,dbType)) {
        derbyDriver=(Driver)list.get(i);
      }
    }
    if (list.get(i) instanceof java.sql.Connection) {
      sqlConn=(java.sql.Connection)list.get(i);
    }
  }
  try {
    if (sqlConn != null) {
      DatabaseMetaData dm=ExtractMetaDataUtils.getDatabaseMetaData(sqlConn,dbType,false,metadataconnection.getDatabase());
      MetadataFillFactory.getDBInstance().fillCatalogs(dbConn,dm,MetadataConnectionUtils.getPackageFilter(dbConn,dm,true));
      MetadataFillFactory.getDBInstance().fillSchemas(dbConn,dm,MetadataConnectionUtils.getPackageFilter(dbConn,dm,false));
    }
  }
 catch (  Exception e) {
    ExceptionHandler.process(e);
  }
 finally {
    if (dbType != null && (dbType.equals(EDatabaseTypeName.HSQLDB.getDisplayName()) || dbType.equals(EDatabaseTypeName.HSQLDB_SERVER.getDisplayName()) || dbType.equals(EDatabaseTypeName.HSQLDB_WEBSERVER.getDisplayName())|| dbType.equals(EDatabaseTypeName.HSQLDB_IN_PROGRESS.getDisplayName()))) {
      ExtractMetaDataUtils.closeConnection();
    }
    if (derbyDriver != null) {
      try {
        derbyDriver.connect("String_Node_Str",null);
      }
 catch (      SQLException e) {
      }
    }
  }
}

Fixed version (ground truth):
private void updatePackage(IMetadataConnection metadataConnection){
  if (metadataConnection == null) {
    return;
  }
  Driver derbyDriver=null;
  Connection sqlConn=null;
  String dbType=metadataconnection.getDbType();
  DatabaseConnection dbConn=(DatabaseConnection)metadataconnection.getCurrentConnection();
  List list=MetadataConnectionUtils.getConnection(metadataconnection);
  for (int i=0; i < list.size(); i++) {
    if (list.get(i) instanceof Driver) {
      String driverClass=metadataconnection.getDriverClass();
      if (MetadataConnectionUtils.isDerbyRelatedDb(driverClass,dbType)) {
        derbyDriver=(Driver)list.get(i);
      }
    }
    if (list.get(i) instanceof java.sql.Connection) {
      sqlConn=(java.sql.Connection)list.get(i);
    }
  }
  try {
    if (sqlConn != null) {
      DatabaseMetaData dm=ExtractMetaDataUtils.getDatabaseMetaData(sqlConn,dbType,false,metadataconnection.getDatabase());
      MetadataFillFactory.getDBInstance().fillCatalogs(dbConn,dm,MetadataConnectionUtils.getPackageFilter(dbConn,dm,true));
      MetadataFillFactory.getDBInstance().fillSchemas(dbConn,dm,MetadataConnectionUtils.getPackageFilter(dbConn,dm,false));
    }
  }
 catch (  Exception e) {
    ExceptionHandler.process(e);
  }
 finally {
    if (dbType != null && (dbType.equals(EDatabaseTypeName.HSQLDB.getDisplayName()) || dbType.equals(EDatabaseTypeName.HSQLDB_SERVER.getDisplayName()) || dbType.equals(EDatabaseTypeName.HSQLDB_WEBSERVER.getDisplayName())|| dbType.equals(EDatabaseTypeName.HSQLDB_IN_PROGRESS.getDisplayName())) || EDatabaseTypeName.HIVE.getDisplayName().equalsIgnoreCase(dbType)) {
      ExtractMetaDataUtils.closeConnection();
    }
    if (derbyDriver != null) {
      try {
        derbyDriver.connect("String_Node_Str",null);
      }
 catch (      SQLException e) {
      }
    }
  }
}