We'd love to hear from you! Provide  feedback  to earn a badge today. Take our quick survey
You're almost there! Please answer a few more questions for access to the Applications content. Complete registration
Interested in joining? Complete your registration by providing Areas of Interest here. Register

blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present

Accepted answer

I am working on an always free Oracle ATP database, with Oracle Apex installed.

I am experimenting with PWA (Progressive Web Applications) and using Vincent Morneau's blog


But after adding the manifest file I get the following error when running the page:

Access to manifest at 'https://cloud.oracle.com/datawarehouse' (redirected from 'https://g9856a918ecb2cf-dev.adb.eu-amsterdam-1.oraclecloudapps.com/manifest.json') from origin 'https://g9856a918ecb2cf-dev.adb.eu-amsterdam-1.oraclecloudapps.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

I have no clue where the '

Howdy, Stranger!

Log In

To view full details, sign in.


Don't have an account? Click here to get started!