private static void initRoots() {
		String roots = System.getProperty("fconn.listenroots");

		if(roots == null){
			System.err.println("Please specify the file system roots in VM variable fconn.listenroots. Example -Dfconn.listenroots=C:\\;D:\\");

			roots= File.separatorChar == '\\' ? "c:" : "/";
		}
		
		StringTokenizer tokens = new StringTokenizer(roots, ";");
		listenRoots = new String[tokens.countTokens()];
		int i = 0;
		while (tokens.hasMoreTokens()) {
			listenRoots[i++] = tokens.nextToken();
		}
	}