could not connect to websocket endpoint ws://localhost:4000/graphql. please check if the endpoint url is correct.
The it turns out that Firefox has issues with websockets (see this bug report that has been re-appeared even after the supposed fix).
In Firefox it works directly after starting a novel browser but after some hot reloading it stops working. The following helps out with starting out fresh but not with the reloading issue:
const wsLink = new WebSocketLink({
uri: SUBSCRIPTION_URI,
options: {
reconnect: true,
timeout: 20000,
lazy: true,
},
});
window.addEventListener('beforeunload', () => {
// @ts-ignore - the function is private in typescript
wsLink.subscriptionClient.close();
});
I think the bug is related to this SO-question: "websocket was interrupted while page is loading" on Firefox for Socket.io
If you want to test different solutions I've created an example repo: https://github.com/gforge/subscription_example that works both by itself and with a Docker container.Are there any code examples left?
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