Invalid route pattern (ASP0017)
Key dotnet.api.invalid-route-pattern · Severity error · Category api
ASP.NET Core analyzer ASP0017. Flags a route template that does not parse - an unbalanced brace, an invalid constraint, a repeated parameter. It fails when the endpoint is built.
Incorrect
Section titled “Incorrect”app.MapGet("/orders/{id:int", (int id) => Find(id));Correct
Section titled “Correct”app.MapGet("/orders/{id:int}", (int id) => Find(id));