[jboss-as7-dev] SPNEGO authentication fails loading configuration

Hi, I'm running into problems using the SPNEGO authenticator in AS7. I created a module with the costumized picketbox jar, modified the Authenticators.properties in jbossweb-7.0.0.CR1.jar and deployed the test toolkit. At first sight the deployment process works. But testing the application, it can't find the required login modules configured in standalone.xml. So I debugged the complete process and compared my application with a working BASIC authentication jar. Deploying the BasicAuthentication.jar, the required configuration is set in JaasConfigurationService.start(...). The configuration includes all the login modules, configured in standalone.xml. When I deploy the negotiation toolkit, the configuration is not set. The authentication process tries to load the configuration in Configuration.getConfiguration() but a new configuration instance is created with no login modules in it. The authenticator is a subclass of AuthenticatorBase. It seems that JBoss doesn't recognize that the application is JAAS enabled. I don't see the difference between the BASIC authentication application and SPNEGO toolkit. Has somebody an explanation for this phenomenon? Christoph