*/
public DerbyArchive(File rootDirectory) throws IOException, ClassNotFoundException, SQLException {
File fulltextIndexDir = new File(rootDirectory, "fulltextIndex");
checkRootDirectory(rootDirectory, fulltextIndexDir);
this.rootDirectory = rootDirectory;
fulltextIndex = new FulltextIndexAndSearchUtils(fulltextIndexDir);
dbPath = new File(rootDirectory, "db");
db = new DB(dbPath.getCanonicalPath());
}