Dealing with Angular.js $http intercept error "net::ERR_CONNECTION_REFUSED"

Currently, I am attempting to create a universal error handler for my website utilizing $http interceptors. However, it seems that the interceptors are not functioning as intended.

I have set up interceptors for 'response' and 'responseError', but they do not trigger when the server is offline or unresponsive (net::ERR_CONNECTION_REFUSED). This lack of triggering makes sense since there is no response to intercept in these situations.

I am curious if there exists a general method for capturing these errors, instead of relying on the $httpPromise's error callback for each individual request.

javascriptangularjshttpinterceptor

Answer №1

If you want to verify the status of the ResponseError, here's a solution. In case an API is offline, it will return a status of 0 (for Angular versions up to 1.3.18) or -1 (from Angular version 1.3.19 onwards):

angular.module("services.interceptor", arguments).config(function($httpProvider) {
     $httpProvider.interceptors.push(function($q) {
        return {
          responseError: function(rejection) {
                if(rejection.status <= 0) {
                    window.location = "noresponse.html";
                    return;
                }
                return $q.reject(rejection);
            }
        };
    });
});

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