C# FTP上传文件到Linux服务器报错：基础连接已经关闭: 服务器提交了协议冲突。

linzhuohao213 2014-08-18 07:12:28

FTP文件上传代码：



public static int UploadFtp( string filename, string ftpServerIP, string ftpUserID, string ftpPassword)

        {

            FileInfo fileInf = new FileInfo(filename);

            string uri = ftpServerIP + fileInf.Name;

            FtpWebRequest reqFTP;

            // Create FtpWebRequest object from the Uri provided 

            reqFTP = (FtpWebRequest)FtpWebRequest.Create(new Uri(uri));

            try

            {

                // Provide the WebPermission Credintials 

                reqFTP.Credentials = new NetworkCredential(ftpUserID, ftpPassword);



                // By default KeepAlive is true, where the control connection is not closed 

                // after a command is executed. 

                reqFTP.KeepAlive = false;



                // Specify the command to be executed. 

                reqFTP.Method = WebRequestMethods.Ftp.UploadFile;



                // Specify the data transfer type. 

                reqFTP.UseBinary = true;



                // Notify the server about the size of the uploaded file 

                reqFTP.ContentLength = fileInf.Length;



                // The buffer size is set to 2kb 

                int buffLength = 2048;

                byte[] buff = new byte[buffLength];

                int contentLen;



                // Opens a file stream (System.IO.FileStream) to read the file to be uploaded 

                //FileStream fs = fileInf.OpenRead(); 

                FileStream fs = fileInf.Open(FileMode.Open, FileAccess.Read, FileShare.ReadWrite);



                // Stream to which the file to be upload is written 

                Stream strm = reqFTP.GetRequestStream();



                // Read from the file stream 2kb at a time 

                contentLen = fs.Read(buff, 0, buffLength);



                // Till Stream content ends 

                while (contentLen != 0)

                {

                    // Write Content from the file stream to the FTP Upload Stream 

                    strm.Write(buff, 0, contentLen);

                    contentLen = fs.Read(buff, 0, buffLength);

                }



                // Close the file stream and the Request Stream 

                strm.Close();

                fs.Close();

                return 0;

            }

            catch (Exception ex)

            {

                reqFTP.Abort();

                //  Logging.WriteError(ex.Message + ex.StackTrace);

                return -2;

            }

        }