Problema login programático

<security-domain name="ProjectSD" cache-type="default">
                    <authentication>
                        <login-module code="Database" flag="required">
                            <module-option name="dsJndiName" value="ProjectDS"/>
                            <module-option name="principalsQuery" value="select senha from usuarios where login=?"/>
                            <module-option name="rolesQuery" value="SELECT g.sigla, 'Roles' FROM roles g JOIN usuarios_r ur ON ur.roles_id = g.id JOIN usuarios u ON u.id = ur.usuario_id WHERE u.login=?"/>
                            <module-option name="hashAlgorithm" value="MD5"/>
                        </login-module>
                    </authentication>     
                </security-domain>

<login-config>
		<realm-name>ProjectSD</realm-name>
	</login-config>

public String efetuarLogin() {
		FacesContext context = FacesContext.getCurrentInstance();
		HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
		try {
			request.login(dto.getLogin(), dto.getSenha());
		} catch (ServletException e) {
			e.printStackTrace();
			titledErrorMessage("","Login ou senha incorretos!");
			return rootFoward("index");
		}
		
		Usuario usuario = (Usuario) usuarioService.pesquisa(dto.getLogin(), dto.getSenha());
		return concluirLogin(usuario);
	}

javax.servlet.ServletException: No authenticator available for programmatic login