new UsernamePasswordCredentials("testuser", "testpass");
this.client.getState().setCredentials(AuthScope.ANY, creds);
HttpRequestHandlerChain handlerchain = new HttpRequestHandlerChain();
handlerchain.appendHandler(new AuthRequestHandler(creds));
handlerchain.appendHandler(new HttpServiceHandler(new FeedbackService()));
this.client.getState().setCredentials(AuthScope.ANY,
new UsernamePasswordCredentials("testuser", "wrongstuff"));