[英]Error 501 when connecting to Azure FTP with PowerShell but works in C#
[英]“The remote server returned an error: (501) Syntax error in parameters or arguments.” when uploading TO FTP FROM Windows Azure
我需要不斷將生成的文件從Azure上傳到客戶端的FTP,但是當我運行下面的代碼時它會給我...
遠程服務器返回錯誤:(501)參數或參數中的語法錯誤。
...也在Azure模擬器中它工作正常。
這是概念驗證目的草案代碼,所以我沒有故意使用Worker角色,隊列或blob等...
using System;
using System.IO;
using System.Net;
using System.Web;
namespace CloudWeb
{
/// <summary>
/// Summary description for Ftp
/// </summary>
public class Ftp : IHttpHandler
{
private const string FtpHost = "ftp://ftp.Host.com/App_Data/{0}";
private const string FtpUserName = "UserName";
private const string FtpPassword = "Password";
private const string WarningImageFile = "images/status_warning.png";
public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "text/plain";
UploadFtp(context.Server.MapPath(WarningImageFile));
context.Response.Write("Hello World");
}
public bool IsReusable
{
get
{
return false;
}
}
private static void UploadFtp(string source)
{
// read local file
byte[] bFile = File.ReadAllBytes(source);
// set ftp values
var myFtp = (FtpWebRequest)WebRequest.Create(String.Format(FtpHost, Path.GetFileName(source)));
myFtp.Method = WebRequestMethods.Ftp.UploadFile;
myFtp.UsePassive = false;
myFtp.UseBinary = true;
myFtp.KeepAlive = true;
myFtp.Credentials = new NetworkCredential(FtpUserName, FtpPassword);
// upload file
using (Stream clsStream = myFtp.GetRequestStream())
{
clsStream.Write(bFile, 0, bFile.Length);
clsStream.Close();
//clsStream.Dispose();
}
// ReSharper disable RedundantAssignment
myFtp = null;
// ReSharper restore RedundantAssignment
}
}
}
如果將UsePassive設置為false,則需要確保命令通道的端口已打開(即,您需要定義端點和訪問規則)。 除非有充分的理由不使用被動,否則你最好不要使用被動。
埃里克
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