The request was blocked due to cross-origin restrictions as the CORS header 'Access-Control-Allow-Origin' was found to be missing

I encountered an error while working with AngularJS.

The error message reads: Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at ... (Reason: CORS header 'Access-Control-Allow-Origin' missing).

Below is a snippet of my code:

     $http({
              method: 'GET',
              url:"https://logis../oms/rest/TMS/../listTenders/1.0",

              headers: { 'Authorization': 'Basic Q2FycmllckFUcmFuc01ncjpwYXNzd29yZA=='}
            }).success(function (response) {
                console.log("response--"+response);
              resolve(response);
            }).error(function (error) {
                console.log("error123--"+error)
              reject(error);
            });

I am making a GET request in AngularJs and encountering the above-mentioned error. Can anyone assist me in identifying if anything is missing on the client-side or if any configurations need to be adjusted on the server side? The server-side scripting is done in Java. Your help would be greatly appreciated. Thank you.

Answer №1

Encountered a similar issue.. To troubleshoot, consider invoking the URL from the server side with PHP or Node.js instead of using a client side language like Angular or normal AJAX which can often result in CORS errors.

Answer №2

When it comes to making cross-origin requests, there are a couple of approaches you can take: 1. Ensure your server is set up to permit these types of requests. 2. Utilize JSONP from either jQuery or JavaScript. For step-by-step examples, check out the following link: https://example.com/ajax/jsonp-tutorial

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