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I am trying to build a small vue.js app that uses aws-sdk to get all the Lightsial instances. However, I keep getting this error.

:8081/#/:1 Access to XMLHttpRequest at 'https://lightsail.us-west-2.amazonaws.com/' from origin 'http://localhost:8081' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.

Here is my vue component script

import { AmplifyEventBus } from 'aws-amplify-vue'
import { components } from 'aws-amplify-vue'
import AWS from 'aws-sdk'
import Lightsail from 'aws-sdk/clients/lightsail'
import Auth from '@aws-amplify/auth';

import awsconfig from '../aws-exports';


export default {
components: {
    AWS, Lightsail
  },
  data() {
    return {
     
    }
  },
  mounted() {

  var myCredentials = 
    {
      accessKeyId : '***************',
      secretAccessKey : '****************'
    }

  AWS.config.update({
    credentials: myCredentials, region: 'us-west-2'
  });

    var lightsail = new AWS.Lightsail();
    lightsail.getInstances(function (err, data) {
  if (err) console.log(err, err.stack); // an error occurred
  else     console.log(data);           // successful response
    });




  }

}

I am also using aws-amplify-vue in this app for user authentication

Sahil Khanna
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  • 2

2 Answers2

1

Based on my research, it should be a CORS problem. Here is a similar thread in which some workaround are mentioned. Could your go to check if it works in your scenario?

Why does my JavaScript get a "No 'Access-Control-Allow-Origin' header is present on the requested resource" error when Postman does not?

Ricardo Ramirez
  • 33
  • 4
1

It simply because current release of <aws-sdk-js> does not allows CORS for Lightsail API.

The official document informs that clearly.

EDIT: A completely wrong answer written by another user has been deleted after I added a comment to that. So I removed the words "Right answer" from my answer. Thanks for your quick action.

Quidn
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