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How does it work together with HttpClientFactory
See original GitHub issueHi, when I try to add this Handler like this:
services.AddSingleton<TracingHandler>(new TracingHandler(ServiceName));
services.AddHttpClient("MyHttpClient", ConfigureMyHttpClient)
.AddHttpMessageHandler<TracingHandler>();
I get error:
DelegatingHandler instances provided to HttpMessageHandlerBuilder must not be reused or cached
Issue Analytics
- State:
- Created 5 years ago
- Comments:6
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@senj I believe you are getting this exception because you registered handler as singleton. So after first usage, inner handler stays set and that’s why you get exception. Try to change your registration to:
@dzejsien I am facing the same issue. .AddHttpMessageHandler(_ => TracingHandler.WithoutInnerHandler(“serviceName”)) did this solve the issue? Were you able to find other alternatives / best practices for this?