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[Replay] Replay not sending on errors

See original GitHub issue

Is there an existing issue for this?

I have checked for existing issues https://github.com/getsentry/sentry-javascript/issues
I have reviewed the documentation https://docs.sentry.io/
I am using the latest SDK release https://github.com/getsentry/sentry-javascript/releases

How do you use Sentry?

Self-hosted/on-premise

Which package are you using?

@sentry/browser

SDK Version

7.24.1

Framework Version

No response

Link to Sentry event

No response

Steps to Reproduce

<script src="https://browser.sentry-cdn.com/7.24.1/bundle.tracing.min.js" integrity="sha384-xKLOnjJfdV4JM9nuAF86HQTBBQXJRhRYRqSR21KCAENOj3ldIBc10a4oq8wWZ3/R" crossorigin="anonymous"></script>
<script src="https://browser.sentry-cdn.com/7.24.1/captureconsole.min.js" integrity="sha384-yK9cwgbRIq3vYQnne4GeTRvPKHLSFh3Ak8ZD9XU992sLYom9dgYy34D43rFvjpRq" crossorigin="anonymous"></script>
<script src="https://browser.sentry-cdn.com/7.24.1/replay.min.js" integrity="sha384-ifYtT/moOdbKa0RUX6esCLi2AU6bNBHWE13ESYZ4Q2j/RFVx1iuIcYadvhEbGMjF" crossorigin="anonymous"></script>
<script>
  Sentry.init({
    dsn: "DSN",
    environment: "HOSTNAME",
    integrations: [
      new Sentry.BrowserTracing(),
      new Sentry.Integrations.Replay({
        maskAllInputs: false,
      }),
      new Sentry.Integrations.CaptureConsole(
        {
          levels: ['error']
        })
    ],
    sampleRate: 1,
    replaysOnErrorSampleRate: 1.0,
    replaysSessionSampleRate: 1.0,
    tracesSampleRate: 0.25,
  });
</script>

This is not sending a replay with the error. I know it’s not in the UI yet, or at least I’m assuming it isn’t. Just looking at the network tab in firefox.

Expected Result

It would send another request to sentry with the replay when an error occurs.

Actual Result

No replay data is sent when an error occurs. A replay ID is attached to the error/event. But nothing is sent for the replay data. If you set all the sampling to 1 it will send a replay for the transaction at the start but if you trigger an error it won’t send the replay.