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I am upgrading the manifest to v3. When I load the extension I get the following error WebSocket connection to 'ws://pboiicdpnbleoponcncnednhgapmcbfb/sockjs-node' failed: Error in connection establishment: net::ERR_NAME_NOT_RESOLVED in local development.

This connection is initiated from webpack (more precisely react-app-rewired, seems like they run an own devServer instead of the webpack one).

I don't find anything that helped me with this one yet

Barsch
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  • There's no websocket server in an extension. Something in your webpack config is wrong, but I don't know what. – wOxxOm Aug 15 '22 at 14:58
  • I think it was the react-app-rewired package that some sort of tried to activate this. I removed it and used webpack itself, now this error is gone – Barsch Aug 16 '22 at 15:02

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