B4X FEED [BANano] [B4J] The dreaded CORS exception

[practicalsoft]

I've spent many hours trying to eliminate CORS issues to no avail. I have a browser with security disable to get around it so I can test.

Here's the exception in the browser Console:

Access to fetch at '

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' from origin 'null' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

It occurs using any client (Chrome, Echo, Brave, etc.). The only thing common, in my case, is I'm using JETTY on the server side as the it's B4J. I get the same issue with Vue.js or BANano as the browser client.

Thank

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