Reserved exception type thrown (CA2201)
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Key dotnet.exception.reserved-exception-type · Severity warning · Category exception
Microsoft analyzer CA2201. Flags throwing Exception, SystemException, NullReferenceException and other types reserved for the runtime. Callers cannot catch the failure without catching everything.
Incorrect
Section titled “Incorrect”if (order is null) throw new Exception("Order not found");Correct
Section titled “Correct”if (order is null) throw new OrderNotFoundException(orderId);