HMR Stops Working After IIS Setting for Angular2 Router in web.config #833

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fergalmoran · 2025-08-09T17:17:51Z

fergalmoran commented

2025-08-09 17:17:51 +00:00

Originally created by @MapleYe on 4/13/2017

Currently working on an Angular2 project on ASP,NET Core. HMR works fine before I set up IIS settings in Visual Studio 2017 for the Angular 2 router. But it stops responding to any changes in the front code/markup after I add web.config for the IIS settings

HMR fails starting and Chrome pops up the error in the console:
"EventSource's response has a MIME type ("text/html") that is not "text/event-stream". Aborting the connection."

*Originally created by @MapleYe on 4/13/2017* Currently working on an Angular2 project on ASP,NET Core. HMR works fine before I set up IIS settings in Visual Studio 2017 for the Angular 2 router. But it stops responding to any changes in the front code/markup after I add web.config for the IIS settings ![temp_2](https://cloud.githubusercontent.com/assets/18238023/25024611/d159de78-205b-11e7-912f-234e8cfafc13.jpg) HMR fails starting and Chrome pops up the error in the console: "EventSource's response has a MIME type ("text/html") that is not "text/event-stream". Aborting the connection."

fergalmoran closed this issue

2025-08-09 17:17:51 +00:00

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Reference: github/JavaScriptServices#833