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SignalR endpoints giving CORS error #4217


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lalitChougule created
  • ABP Framework version: v4.3.1

  • UI type: Angular

  • DB provider: EF Core

  • Tiered (MVC) or Identity Server Separated (Angular): yes

  • Exception message and stack trace: N.A

  • Steps to reproduce the issue:" N.A

Hi,

My project have total 7 micro-services out of which 1 is dedicated for SignalR
Post deployment other 6 are working fine, but the one which is dedicated for SignalR is giving CORS error.
All the appsettings and Host Module logic looks fine as same logic is working for other 6 services.
There are no logs in Cloud Watch to check for.
Not getting any more details, only this URL in network tab : https://xxx.dev.xxxxx.com/eventsync/hubs/notifications/negotiate?negotiateVersion=1
PFA images for your reference

image.png

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We have a release planned and it is having very high priority. Please let me know if someone from support team is available for discussion.


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Made with ❤️ on ABP v9.2.0-preview. Updated on March 25, 2025, 11:10