env.put( Context.PROVIDER_URL, "" );
envCopy.put( Context.PROVIDER_URL, "" );
    public synchronized void startup( ContextFactoryServiceListener listener, Hashtable env ) throws NamingException    {        if( started )        {            return;        }        StartupConfiguration cfg = ( StartupConfiguration ) Configuration.toConfiguration( env );        env.put( Context.PROVIDER_URL, "" );                try        {            cfg.validate();        }        catch( ConfigurationException e )        {            NamingException ne = new LdapConfigurationException( "Invalid configuration." );            ne.initCause( e );            throw ne;        }        this.environment = env;        this.startupConfiguration = cfg;                listener.beforeStartup( this );        try        {            initialize();            firstStart = createBootstrapEntries();            createTestEntries();            this.serviceListener = listener;            started = true;        }        finally        {            listener.afterStartup( this );        }    }