Can't read from file issue in Swagger UI

Question

I have incorporated swagger UI in my application.

When I try and see the swagger UI, I get the documentation of the API nicely but after some time it shows some error i

Answer 1

To supplement the accepted answer...I just uncommented one line in the SwaggerConfig.cs. I only wanted to get rid of the red error on the main swagger page by disabling the validator.

// By default, swagger-ui will validate specs against swagger.io's online validator and display the result
// in a badge at the bottom of the page. Use these options to set a different validator URL or to disable the
// feature entirely.
//c.SetValidatorUrl("http://localhost/validator");
c.DisableValidator();