Re: This application has requested the Runtime to terminate it in an unusual way

From:
Mohit <behappy.mohit@gmail.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Tue, 21 Jul 2009 01:54:12 -0700 (PDT)
Message-ID:
<b98d5da0-d49a-40c6-b5d8-3fa5e8f0a3f3@x25g2000prf.googlegroups.com>
Hi,
I checked in relase version but erro didnt occur.Error occur sometime
in release exe

I think problem should be in this function as it is repeatedly call

bool CChatManager::SendRequest(CString strObjectName, CString&
strResponse)
{
CString strHeaders = _T("Content-Type: application/x-www-form-
urlencoded");
    CInternetSession pSession;
    strResponse = _T("");
    CHttpFile* pFile = NULL;

    char* szBuffer = NULL;

    //Here the virtual directory will be appended with query string
    strObjectName = m_strVirtualDir + strObjectName;

    CHttpConnection* pConnection;

    if(m_bSecureMode)
    {
        pConnection = pSession.GetHttpConnection(m_strServerName,
INTERNET_FLAG_TRANSFER_ASCII, 443, NULL, NULL);
        pFile = pConnection->OpenRequest
(CHttpConnection::HTTP_VERB_GET,strObjectName,NULL,
1,NULL,NULL,INTERNET_FLAG_DONT_CACHE|INTERNET_FLAG_SECURE);
    }
    else
    {
        pConnection = pSession.GetHttpConnection(m_strServerName,
INTERNET_FLAG_TRANSFER_ASCII, 80, NULL, NULL);

        pFile = pConnection->OpenRequest
(CHttpConnection::HTTP_VERB_GET,strObjectName,NULL,
1,NULL,NULL,INTERNET_FLAG_DONT_CACHE);
    }

    if (pFile)
    {
        BOOL bSuccess = false;
        try
        {Checkofflinestatus();
            bSuccess = pFile->SendRequest(strHeaders, NULL, 0);

        }
        catch (CInternetException* e)
        {
            TCHAR szCause[255];
            szCause[0] = _T('\0');
            e->GetErrorMessage(szCause, 255);

            strResponse = szCause;
                        e->Delete();
            pFile->Close();

            pConnection->Close();
            // delete or else memory leak on CHttpbFile object
            delete pFile;
            pFile = NULL;
            delete pConnection;
            pConnection = NULL;
            ++m_lConnectCount;
            static bool bMsgBoxShown = false;
            strResponse = _T("DISCONNNNECT");
            if(m_lConnectCount>12)
            {
                m_lConnectCount = -200;
                if(!bMsgBoxShown)
                {
                    bMsgBoxShown = true;
                    CSoundsDlg::PlaySoundforEvent(eInternetConnectionFailed); //added
by dhiraj on 15-11-08
                    MessageBox(NULL,_T("No Response from Server. Please check your
internet connection."),_T("Internet Connection"),MB_ICONSTOP);
                    bMsgBoxShown = false;
                }

            }
            return false;
        }

        DWORD dwBufferLen = pFile->GetLength();

        if (dwBufferLen < BUFFSIZE)
            dwBufferLen = BUFFSIZE;
        szBuffer = new char[dwBufferLen + 1];

        char *pTemp;
        // Use a Temp Variable to manipulate(advance) the Buffer (szBuffer)
        pTemp = szBuffer;

        DWORD dwBytesRead = 0; // Bytes read in the read operation
        DWORD dwTotalBytesRead = 0; // Total Bytes Read
        do
        {
            // Allocate the Temp Buffer
            char *tempBuffer = new char[dwBufferLen + 1];

            // Read the data in the Temp Buffer
            dwBytesRead = pFile->Read(tempBuffer, dwBufferLen);

            // Update the Total Bytes Read
            dwTotalBytesRead += dwBytesRead;

            if (dwTotalBytesRead > dwBufferLen)
            {
                dwTotalBytesRead -= dwBytesRead;
                // Delete the Temp buffer
                if (tempBuffer)
                    delete[] tempBuffer;
                // Break out of the Loop
                break;
            }

            // Copy the data read to the Buffer
            CopyMemory(pTemp,tempBuffer,dwBytesRead);

            // Advance the pointer to the Buffer
            pTemp += dwBytesRead;

            if (tempBuffer)
                delete tempBuffer;
        }
        while(dwBytesRead != 0);

        szBuffer[dwTotalBytesRead] = '\0';
        ////////////////////////******///////////////////
        int lenA = lstrlenA(szBuffer);
        int lenW;

        lenW = ::MultiByteToWideChar(CP_UTF8, 0, szBuffer, lenA, 0, 0);
        BSTR bstrVal = NULL;

        if (lenW > 0)
        {
            // Check whether conversion was successful
            bstrVal = ::SysAllocStringLen(0, lenW);
            ::MultiByteToWideChar(CP_UTF8, 0, szBuffer, lenA, bstrVal, lenW);
        }
        else
        {
            // handle the error
        }

        strResponse = bstrVal;

        pFile->Close();
        pConnection->Close();
        ::SysFreeString(bstrVal);
        delete pFile;
        pFile = NULL;
        delete pConnection;
        pConnection = NULL;
        delete[] szBuffer;

        szBuffer = NULL;
        m_lConnectCount = 0;
        return true;
    }
    return true;
}

Can u tell me reason for error

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