public Attributes lookup( Name name, Collection bypass ) throws NamingException
public Attributes lookup( Name name ) throws NamingException
    public Attributes lookup( Name name, Collection bypass ) throws NamingException    {        ensureStarted();        InvocationStack stack = InvocationStack.getInstance();        stack.push( new Invocation( this, caller, "lookup", new Object[] { name }, bypass ) );        try        {        	OidRegistry registry = (OidRegistry)this.service.getConfiguration().getGlobalRegistries().getOidRegistry();        	        	LdapDN.normalize( name, registry.getNameByOid() );            return this.configuration.getInterceptorChain().lookup( name );        }        finally        {            stack.pop();        }    }