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Question:

HTTP Response is null, timeout problem?

Jan 28 '15 at 08:45

Hi

I'm sending an HTTP Post request using 7 parametres ad AddFileForUpload function. I'm using ActiveX Chilkat component (9.4.1)

Sending many times the same request (=same parameters and same file) sometimes I obtain "null" as Response Oject

In the HTTP Object the LastErrorXml says

...... readResponse2_4:

Begin reading HTTP response header...
Timeout waiting to read socket or accept connection
timeoutMs: 20000
Failed to get response header on non-SSL connection.
Use the SessionLogFilename property to log the HTTP traffic to a file to examime the response.
readResponseTime: Elapsed time: 20000 millisec

totalTime: Elapsed time: 421593 millisec
Failed.
......

Have you got any idea ?

Thank you in advance

---

Answer

Test using the latest version of Chilkat. This is very likely already resolved.

---

Answer

Hi! I tried with the new version, but without success.

This is the lastTextError i got with v9.4.1 I can give you even the log of i got with the new version, if can help.

ChilkatLog:
  SynchronousRequest:
    DllDate: Jul 10 2013
    ChilkatVersion: 9.4.1.26
    UnlockPrefix: CCSISTHttp
    Username: TOMATIS:Dorella
    Architecture: Little Endian; 32-bit
    Language: ActiveX
    VerboseLogging: 1
    domain: http://195.31.56.68
    port: 8080
    ssl: 0
    RequestData:
      HttpVersion: 1.1
      Verb: POST
      Path: /Storage/edk/multipartServices
      Charset: utf-8
      SendCharset: 1
      MimeHeader: Content-Type: multipart/form-data
      RequestParams:
        RequestItem:
          name: username
          value: CECSistemi
        --RequestItem
        RequestItem:
          name: password
          value: cos_CECSistemi
        --RequestItem
        RequestItem:
          name: postazione
          value: usrCeriale
        --RequestItem
        RequestItem:
          name: codiceAzienda
          value: CERIALE
        --RequestItem
        RequestItem:
          name: documentType
          value: MAGG_Delibere
        --RequestItem
        RequestItem:
          name: method
          value: loadDocuments
        --RequestItem
        RequestItem:
          name: filename
          value: Lotto_32
        --RequestItem
        RequestItem:
          name: Lotto_32
          fileOnDisk: C:\Programmi\Polis 2000\Ermes\TMP\20141118_182904_639_Lotto_32.zip
          numValueBytes: 0
        --RequestItem
      --RequestParams
    --RequestData
    ReadTimeout: 20
    ConnectTimeout: 10
    RequestData:
      HttpVersion: 1.1
      Verb: POST
      Path: /Storage/edk/multipartServices
      Charset: utf-8
      SendCharset: 1
      MimeHeader: Content-Type: multipart/form-data
      RequestParams:
        RequestItem:
          name: username
          value: CECSistemi
        --RequestItem
        RequestItem:
          name: password
          value: cos_CECSistemi
        --RequestItem
        RequestItem:
          name: postazione
          value: usrCeriale
        --RequestItem
        RequestItem:
          name: codiceAzienda
          value: CERIALE
        --RequestItem
        RequestItem:
          name: documentType
          value: MAGG_Delibere
        --RequestItem
        RequestItem:
          name: method
          value: loadDocuments
        --RequestItem
        RequestItem:
          name: filename
          value: Lotto_32
        --RequestItem
        RequestItem:
          name: Lotto_32
          fileOnDisk: C:\Programmi\Polis 2000\Ermes\TMP\20141118_182904_639_Lotto_32.zip
          numValueBytes: 0
        --RequestItem
      --RequestParams
    --RequestData
    HttpOptions:
      Accept: */*
      AcceptCharset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
      AcceptLanguage: en-us,en;q=0.5
      AddHostHeader: 1
      AllowCookieResponseCaching: 0
      AllowGzip: 1
      ConnectionHeader: Keep-Alive
      ConnectTimeoutMs: 10000
      CookieDir: 
      DigestAuth: 0
      FollowRedirects: 1
      HttpMethod: 
      Login: 
      LoginDomain: 
      MaxResponseSize: 0
      MaxUrlLen: 2000
      MimicFirefox: 0
      MimicIE: 0
      NegotiateAuth: 0
      NTLMAuth: 0
      PasswordLen: 0
      ProxyHostname: 
      ProxyLogin: 
      ProxyLogin: 
      ProxyAuthDomain: 
      ProxyPasswordLen: 0
      ProxyPort: 80
      ReadTimeoutMs: 20000
      Referer: 
      RequiredContentType: 
      ResumePoint: 0
      SaveCookies: 1
      SendBufferSize: 65535
      SendCookies: 1
      SslProtocol: 0
      UnavailableRetryCount: 0
      UnavailableRetryWaitMs: 2000
      UserAgent: Chilkat/1.0.0 (+http://www.chilkatsoft.com/ChilkatHttpUA.asp)
    --HttpOptions
    httpConnect:
      hostname: 195.31.56.68
      port: 8080
      ssl: 0
      Need to establish connection to the HTTP server...
      ConnectTimeoutMs_1: 10000
      calling ConnectSocket2
      IPV6 enabled connect with NO heartbeat.
      This is an IPV4 numeric address...
      AddrInfoList:
        AddrInfo:
          ai_flags: 4
          ai_family: 2
          ai_socktype: 1
          ai_protocol: 0
          ai_addrlen: 16
          ai_canonname: (NULL)
        --AddrInfo
      --AddrInfoList
      Connect using IPV4.
      ipAddress1: 195.31.56.68
      myIP_3: 192.168.0.65
      myPort_3: 1449
      connect successful (2)
      Turning on TCP_NODELAY.
      socketOptions:
        SO_SNDBUF: 8192
        SO_RCVBUF: 8192
        TCP_NODELAY: 1
      --socketOptions
      Connected
    --httpConnect
    connectTime1: Elapsed time: 78 millisec
    sendRequestGetResponse_1:
      sendRequest:
        Adding Host header...
        host: 195.31.56.68
        port: 8080
        Not auto-adding cookies.
        generateUploadToOutput1:
          targetPathForUpload: /Storage/edk/multipartServices
          HttpStartLine: POST /Storage/edk/multipartServices HTTP/1.1
          getMimeHeaderHttp:
            MimeField:
              name: Host
              m_value: 195.31.56.68:8080
              encodedValue: Host: 195.31.56.68:8080
            --MimeField
          --getMimeHeaderHttp
          ---------------------------------------------
          UploadHeader0: POST /Storage/edk/multipartServices HTTP/1.1
Host: 195.31.56.68:8080

---------------------------------------------
          calculatedContentLength: 21198922
          ---------------------------------------------
          UploadHeader: POST /Storage/edk/multipartServices HTTP/1.1
Host: 195.31.56.68:8080
Content-Type: multipart/form-data; boundary=------------000402030206010504090600
Content-Length: 21198922

---------------------------------------------
          sendMultipartFormData:
            item:
              name: username
            --item
            item:
              name: password
            --item
            item:
              name: postazione
            --item
            item:
              name: codiceAzienda
            --item
            item:
              name: documentType
            --item
            item:
              name: method
            --item
            item:
              name: filename
            --item
            item:
              name: Lotto_32
              filename: C:\Programmi\Polis 2000\Ermes\TMP\20141118_182904_639_Lotto_32.zip
            --item
            actualContentLength: 21198922
          --sendMultipartFormData
        --generateUploadToOutput1
        ---- HTTP Request Header ----
        RequestHeader: POST /Storage/edk/multipartServices HTTP/1.1
Host: 195.31.56.68:8080
Content-Type: multipart/form-data; boundary=------------000402030206010504090600
Content-Length: 21198922
        ---- End of HTTP Request Header ----
      --sendRequest
      sendRequestTime: Elapsed time: 401515 millisec
      ---- Reading HTTP Response ----
      readResponse2_4:
        Begin reading HTTP response header...
        Timeout waiting to read socket or accept connection
        timeoutMs: 20000
        Failed to get response header on non-SSL connection.
        Use the SessionLogFilename property to log the HTTP traffic to a file to examime the response.
        readResponseTime: Elapsed time: 20000 millisec
      --readResponse2_4
    --sendRequestGetResponse_1
    totalTime: Elapsed time: 421593 millisec
    Failed.
  --SynchronousRequest
--ChilkatLog

---

Answer

Sorry, anyone got any idea? I still don't know how to solve this issue..