It appears that $state service is resulting in a circular dependency with the $http service. This may be caused by the fact that the templateFactory (see https://github.com/angular-ui/ui-router/blob/master/src/templateFactory.js) is being injected with the $http service in addition to the interceptor itself being composed with the $http service.
To get around this circular dependency issue, you can use the $injector service to wire up the $state service to your interceptor. See the revised code:
/* Look for 401 auth errors and then redirect */
module.factory('authHttpResponseInterceptor', ['$q','$location', '$injector', function($q, $location, $injector) {
return {
response: function(response){
if (response.status === 401) {
}
return response || $q.when(response);
},
responseError: function(rejection) {
var reservedPaths = ["https://stackoverflow.com/", '/mycube', '/connect', '/event'];
if (rejection.status === 401 && _.contains(reservedPaths, $location.path().trim())) {
var stateService = $injector.get('$state');
stateService.go('home');
}
return $q.reject(rejection);
}
};
}]);
You can learn more about the $injector service here: https://docs.angularjs.org/api/auto/service/$injector
IMPORTANT
I would recommend using the state change events (see https://github.com/angular-ui/ui-router/wiki#state-change-events) to watch for errors using $stateChangeError and inspecting the error returned from the 401.