Pregled:
Ko zaženete ocelot gateway, se za dostopni vmesnik prijavi naslednja napaka:
Statusna koda: 502; Slab prehod Projekt je ASP.NET Core 3.1,Različica, ki jo uporablja Ocelot, je 16.0.1
info: Ocelot.RateLimit.Middleware.ClientRateLimitMiddleware[0] requestId: 0HM8JAOKL2C09:00000006, previousRequestId: ni prejšnjega ID zahteve, sporočilo: EndpointRateLimiting ni omogočen za /{url}
warn: Ocelot.Responder.Middleware.ResponderMiddleware[0] requestId: 0HM8JAOKL2C09:00000006, previousRequestId: ni prejšnjega ID zahteve, sporočilo: Koda napake: ConnectionToDownstreamServiceError Message: Napaka pri povezovanju z nadaljnjo storitvijo, izjema: System.Net.Http.HttpRequestException: Glave zahtev morajo vsebovati le ASCII znake. at System.Net.Http.HttpConnection.WriteStringAsync(String s) at System.Net.Http.HttpConnection.WriteHeadersAsync(HttpHeaders headers, String cookiesFromContainer) at System.Net.Http.HttpConnection.SendAsyncCore(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithNtConnectionAuthAsync(HttpConnection connection, HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken) at System.Net.Http.DiagnosticsHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task'1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts) pri Ocelot.Requester.HttpClientHttpRequester.GetResponse(HttpContext httpContext) napake, najdene v ResponderMiddleware. Nastavitev odziva na napako za pot zahteve:/test1/home/index, metoda zahtevka: GET Z uporabo Fiddlerja za lovljenje paketov sem ugotovil, da ima piškotek kitajski niz, in sicer:
Host: localhost:5002
Connection: keep-alive
Cache-Control: max-age=0
sec-ch-ua: "Google Chrome";v="89", "Chromium";v="89", ";Not A Brand";v="99"
sec-ch-ua-mobile: ?0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site: none
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Cookie: aaa=测试
Brskalnik napiše kodo piškotka (Naslednja kodna vrednost ni izpuščena) lahko reproducira težavo:
Poskusite izprazniti predpomnilnik piškotkov in prehod se vrne v normalno stanje, kot je prikazano na spodnji sliki:
Vrstni red izvajanja middleware z Ocelotom je naslednji:
PreErrorResponderMiddleware PreAuthenticationMiddleware AvtentikacijaMiddleware PreAuthorizacijaMiddleware AuthorMiddleware PreQueryStringBuilderMiddleware
(Konec)
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