Webgl FTP错误

我在使用ftp连接存储和加载.xml文件的统一的webgl构建中遇到问题。在编辑器中和在本地ftp服务器上（使用Xlight），一切正常。但是，当我构建一个webgl解决方案并尝试保存.xml文件时，出现以下错误：

> Uncaught abort() at Error
    at jsStackTrace (http://localhost:8080/Development/WebGL.js:875:12)
    at stackTrace (http://localhost:8080/Development/WebGL.js:889:21)
    at abort (http://localhost:8080/Development/WebGL.js:3830852:24)
    at _pthread_create (http://localhost:8080/Development/WebGL.js:13183:2)
    at __ZN6il2cpp2os10ThreadImpl3RunEPFvPvES2_ [il2cpp::os::ThreadImpl::Run(undefined?F?*, void, void*)] (http://localhost:8080/Development/WebGL.js:3596270:50)
    at Array.__ZN6il2cpp2os6Thread3RunEPFvPvES2_ [il2cpp::os::Thread::Run(undefined?F?*, void, void*)] (http://localhost:8080/Development/WebGL.js:3746555:7)
    at Object.dynCall_iiii (http://localhost:8080/Development/WebGL.js:3807075:39)
    at invoke_iiii (http://localhost:8080/Development/WebGL.js:16008:32)
    at Array.__ZN6il2cpp6icalls8mscorlib6System9Threading6Thread15Thread_internalEP12Il2CppThreadP14Il2CppDelegate [il2cpp::icalls::mscorlib::System::Threading::Thread::Thread_internal(Il2CppDelegate?**)] (http://localhost:8080/Development/WebGL.js:2708698:6)
    at Object.dynCall_iii (http://localhost:8080/Development/WebGL.js:3813716:38)

我绝对不知道这意味着什么或如何远程解决此问题。我对服务器技术的兴趣并不是一直以来都很高，因此在此方面的一些帮助将不胜感激。

这是我当前正在使用的xml上传代码：

 FtpWebRequest request = (FtpWebRequest)WebRequest.Create("ftp://localhost/construct.xml");
    request.Method = WebRequestMethods.Ftp.UploadFile;
    request.Credentials = new NetworkCredential("name", "password");

    string xml = xmlDoc.OuterXml;
    byte[] bytes = Encoding.UTF8.GetBytes(xml);

    Stream requestStream = request.GetRequestStream();
    requestStream.Write(bytes, 0, bytes.Length);
    requestStream.Close();

    FtpWebResponse response = (FtpWebResponse)request.GetResponse();
    response.Close();

如果还有其他遗漏，请告诉我。提前致谢！