tpeczek/Lib.AspNetCore.ServerSentEvents

EventSource MIME type

Closed this issue · 2 comments

richbryant commented

HI,

I'd love to use this in a current project but when I work through Getting Started" with a simple bit of code in a page to gather the SSE events, I get the following error:

EventSource's response has a MIME type ("text/html") that is not "text/event-stream". Aborting the connection.

How do I go about resolving this?

tpeczek commented

Hi,

The error doesn't exactly say what issue you are experiencing, beside the fact that your are trying to establish a connection but the endpoint returns an HTML. There are multiple possible reasons:

  • You are trying to establish connection against wrong endpoint
  • Authentication is interfering with the flow
  • There was a server side error

And some more. To be able to narrow that done, you need to grab the raw response (browser dev tools will be able to do it).

tpeczek commented

Hi @richbryant,

I'm closing this one. If you will have any follow up details etc., please feel free to reopen.