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毛利のメモ書き

HttpClient An invalid Unicode character by IDN standards was specified in the host.

C#HttpClient でエラー出た

 

    One or more errors occurred. (An invalid Unicode character by IDN standards was specified in the host.)

↑この エラーは初めて見た

 

お客様 の 環境設定 で Proxy 設定するさいに 全角 ( Unicode ) が混ざってたということでした。

An invalid Unicode character by IDN standards was specified in the host.

An invalid Unicode character by IDN standards was specified in the host.