为什么我有时会从BBC Weather RSS feed下载垃圾数据？

时间：2013-05-10 10:50:24

标签： xml vb.net visual-studio-2012 rss

从BBC的RSS天气预报中下载时，我会在随机的场合看到奇怪的文本/数据。奇怪的是，如果我直接从网络加载而不是下载，就会发生这种情况。这可能是记忆问题吗？它是随机的，但70％的时间，其中一个位置将被下载错误。

下载子资料：

  Public Sub DownloadWeather()

    If IsConnectionAvailable() = True Then

        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2657832/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Aberdeen.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2656752/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Aviemore.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2653609/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Barra.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2650752/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Dundee.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2650798/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Dumfries.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2651245/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Dingwall.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2650225/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Edinburgh.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2648579/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Glasgow.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2636239/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Harris.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2646088/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Inverness.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2655051/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Islay.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2636790/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Lewis.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2635754/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Mull.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2641108/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Oban.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2645198/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Orkney.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2640358/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Perth.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2644605/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Shetland.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2640006/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Skye.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2635881/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Thurso.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2643811/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Uist.rss")
        Module_XML_Download.DownloadXML("http://open.live.bbc.co.uk/weather/feeds/en/2635199/3dayforecast.rss", My.Settings.DataMainFolder & "\" & My.Settings.DataWeatherXMLFolder & "\Ullapool.rss")

    End If

End Sub


  Public Sub DownloadXML(ByVal URL As String, ByVal SaveAs As String)
    Try
        Dim WebClient As New System.Net.WebClient()

        WebClient.DownloadFile(URL, SaveAs)
        If My.Settings.LogXMLDownloaded = True Then
            Module_Log.WriteLog(Now.ToString & "   XML Downloaded: " & SaveAs)
        End If

    Catch _Exception As Exception

        ' Error
        ' MsgBox("Exception caught in process: {0}", _Exception.ToString())
        If My.Settings.LogXMLDownloadError = True Then
            Module_Log.WriteLog(Now.ToString & "   XML DL Error: " & _Exception.Message)
        End If
    End Try

End Sub

在某些location.rss文件中随机出现的奇怪垃圾数据：

‹       Í–áNÛ:Ç¿OÚ;EºÒ¦µ±“ÚEiÑ…‰Mº Mƒ±ÈMÜÆ"±#Û¡ë[íöd÷8MK      i_šÄ>>ÿÿ9þ9Mzð³*ášk#”œxO=à2S¹‹‰÷ýüx8ö¦oߤÚÀPifU5ñ

kë“åré/＃_é”É¿8éu®pÕÐõP¾¾õn'CÔF％€4 +〜“¼lðÑ＆amp;¥WPh＆gt;ßæS5-~）®¹？> e~ |ææ，9³×dÎyn-$ÜßÇ£ ÊÙj®4Ï〜±〜««y9ñ/çØUÍ'«ëRdÌ¢，°ÈÆ“¶äÓÃÃ＃ø±Ö€！w 3 |。™Y？¾KayÿasU¥d½'Ëãê~ö：²ë½³œ'6'[-s “IQ的sÓhÅÀ¼/硫杂\« ž＆安培; dV6n7a¹²¼ª¹f¶Ñ~Ìa）ðGHÌSμÕ§¤¯¶ñÍä¢A＆GT;å8¿} E＆安培;3U¯'Xvz'¹KàÝÑ{80A的 秀±Ü¹uFŽ”®•ñ¥8‡{Ûa¹®ay.\ +/8¦°ˆ««¸Âò!ç–‰Ò¤äÆ@ç¨nfŸ˜åÓc-P8ÅŽ…4ˆ ’”！| ¥）ÙvëDuSÖËí：fjt¹Ùvc±OI•* IL = O＃¤i]“2％ñWæâZä ¶]®Ç¸¼Tò²t_Îýý...~§Ä‰l.G。\ŠÜÓa'õÝv¢àm<ÝLwÛuôÛ-bª»-Ä} @h8qËà¸õ§ì§¨š ÎoxLp~ÿ：，wqøû×ñ{8r7d¿Ø<\ÄNŸŸ\ú»Ð»μ÷ÉÜàqƒøáŽ×'и¬œ©ÆÈ“AÂËU7VãËe¯êb™（...ÅŽ]p½，ÏJåøª¹1k”Õl_šJämØhü2xß“¹J U–ÍZñÄñyÖH-®¥qÄpxvÞŽŽG5ÄC¹¡ûŽþóO®\4ß-æ+fv‚žxsVî=i‹†tèT†4ô|£åSJQ.qz.}O¬ýKIj%¤Æ±?Þ±ÒážÆ£ý(%·æ·èÞÐz/¹gnSŸÈ.]³Afw´F#~vƒ?g·ïïvûwÙ}€ÚøÙÔî÷© ¡6Ú¥6þ© þjùbÌîµÑÇ 6 |fûÿð} I {'ãÛÐŽ£＆GT;'A＃d»DZZ毫安 ^Úð'ÖkAÿÖ¨Œ

1 个答案:

答案 0 :(得分：1)

我刚从网站上的代码请求BBC Weather RSS feed时，第一次看到同样的事情。

我刚刚将使用BBC Feed的网站添加到CloudFlare，但我看不出这可能与之相关。

我在BBC RSS提要网址的末尾添加了一个随机查询字符串，因此我的网址如下所示：

http://open.live.bbc.co.uk/weather/feeds/en/2634135/3dayforecast.rss?123

问题立即得到解决。

请注意，如果我直接在自己的浏览器中手动请求了Feed，那么它运行正常。

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