우리 앱은 Windows 인증이 활성화된 IIS 7.5에서 실행됩니다. POST를 통해 파일을 업로드할 때 일부 사용자는 "잘못된 동사" 메시지와 함께 IIS에서 간헐적으로 오류 400을 보고합니다.
동일한 업로드 파일로 사용자와 동일한 양식을 작성하여 직접 재현할 수 있었는데, 2번 연속 실패하다가 3번째 성공했습니다.
Chrome의 네트워크 탭을 사용하여 실패한 시도와 성공한 시도 모두에서 요청 및 응답 헤더를 복사할 수 있었습니다.
차이점에 대한 내 해석은 인증 단계에서 실패했음을 시사하지만 틀릴 수도 있습니다. 내가 조사해야 할 사항에 대한 제안이 있습니까?
성공
POST <redacted> HTTP/1.1
Host: <redacted>
Connection: keep-alive
Content-Length: 26636
Cache-Control: max-age=0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Origin: <redacted>
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.124 Safari/537.36
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryQ6KIItP6Z7A76guk
Referer: <redacted>
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.8
Cookie: <redacted>
X-CookiesOK: I explicitly accept all cookies
HTTP/1.1 302 Found
Content-Type: text/html; charset=UTF-8
Location: <redacted>
Server: Microsoft-IIS/7.5
X-Powered-By: PHP/5.6.6
X-Powered-By: ASP.NET
Date: Wed, 17 Jun 2015 10:37:42 GMT
Content-Length: 164
실패하다
POST <redacted> HTTP/1.1
Host: <redacted>
Connection: keep-alive
Content-Length: 46013
Cache-Control: max-age=0
Authorization: NTLM <redacted>==
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Origin: <redacted>
User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.124 Safari/537.36
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryY5kiMQ9SHsqAoBjs
Referer: <redacted>
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.8
Cookie: <redacted>
X-CookiesOK: I explicitly accept all cookies
HTTP/1.1 400 Bad Request
Content-Type: text/html; charset=us-ascii
Server: Microsoft-HTTPAPI/2.0
Date: Wed, 17 Jun 2015 10:43:50 GMT
Connection: close
Content-Length: 326
http.sys추적하다:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-HttpService" Guid="{dd5ef90a-6398-47a4-ad34-4dcecdef795f}" />
<EventID>52</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>1</Task>
<Opcode>62</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2015-06-17T13:14:10.558152100Z" />
<Correlation ActivityID="{80000507-0000-7000-b63f-84710c7967bb}" />
<Execution ProcessID="4" ThreadID="1376" ProcessorID="0" KernelTime="32565" UserTime="0" />
<Channel>Microsoft-Windows-HttpService/Trace</Channel>
<Computer />
</System>
<EventData>
<Data Name="Status">0xC0000010</Data>
<Data Name="RequestId">0x7000000080000507</Data>
<Data Name="Reason">VerbLookupFailed</Data>
<Data Name="ErrorCode"> 2</Data>
<Data Name="HintLength"> 8</Data>
<Data Name="HintData">0x535541696A6A5648</Data>
</EventData>
<RenderingInfo Culture="en-US">
<Level>Error </Level>
<Opcode>ParseRequestFailed </Opcode>
<Keywords>
<Keyword>Flagged on all HTTP events dealing with request processing </Keyword>
</Keywords>
<Task>HTTP Request Trace Task </Task>
<Message>Parsing of request (request ID 0x7000000080000507) failed due to reason: VerbLookupFailed. Request may not be compliant with HTTP/1.1. </Message>
<Channel>HTTP Service Channel </Channel>
<Provider>Microsoft-Windows-HttpService </Provider>
</RenderingInfo>
</Event>