550 file not found ошибка критическая ошибка при передаче файлов

Here’s the log. Sorry about the delay:

Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 1/100 Dance Hits Of The Eighties Disc 1 — 19 — Jellybean (And Steven Dante) — The Real Thing.mp3
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 1/100 Dance Hits Of The Eighties Disc 1 — 05 — Coldcut (And Lisa Stansfield) — People Hold On.mp3
Command: PORT 192,168,1,234,218,61
Response: 200 Port command successful
Command: REST 5689010
Response: 350 Rest supported. Restarting at 5689010
Command: RETR 100 Dance Hits Of The Eighties Disc 1 — 05 — Coldcut (And Lisa Stansfield) — People Hold On.mp3
Response: 550 File not found
Error: Critical file transfer error
Command: PORT 192,168,1,234,218,62
Response: 200 Port command successful
Command: REST 6608102
Response: 350 Rest supported. Restarting at 6608102
Command: RETR 100 Dance Hits Of The Eighties Disc 1 — 19 — Jellybean (And Steven Dante) — The Real Thing.mp3
Response: 550 File not found
Error: Critical file transfer error
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 1/100 Dance Hits Of The Eighties Disc 1 — 14 — The Funky Worm — Hustle (To The Music).mp3
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 1/100 Dance Hits Of The Eighties Disc 1 — 17 — The Four Tops — Loco In Acapulco.mp3
Command: PORT 192,168,1,234,218,63
Response: 200 Port command successful
Command: REST 5637601
Response: 350 Rest supported. Restarting at 5637601
Command: RETR 100 Dance Hits Of The Eighties Disc 1 — 14 — The Funky Worm — Hustle (To The Music).mp3
Response: 550 File not found
Error: Critical file transfer error
Command: PORT 192,168,1,234,218,64
Response: 200 Port command successful
Command: REST 5072729
Response: 350 Rest supported. Restarting at 5072729
Command: RETR 100 Dance Hits Of The Eighties Disc 1 — 17 — The Four Tops — Loco In Acapulco.mp3
Response: 550 File not found
Error: Critical file transfer error
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 06 — Rene And Angela — I’ll Be Good.mp3
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 11 — Rodney Franklin — The Groove.mp3
Command: CWD /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4
Response: 250 CWD successful. «/music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4» is current directory.
Command: PORT 192,168,1,234,218,65
Response: 200 Port command successful
Command: REST 5950443
Response: 350 Rest supported. Restarting at 5950443
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 06 — Rene And Angela — I’ll Be Good.mp3
Response: 550 File not found
Error: Critical file transfer error
Command: CWD /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4
Response: 250 CWD successful. «/music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4» is current directory.
Command: PORT 192,168,1,234,218,66
Response: 200 Port command successful
Command: REST 5025081
Response: 350 Rest supported. Restarting at 5025081
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 11 — Rodney Franklin — The Groove.mp3
Response: 550 File not found
Error: Critical file transfer error
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 04 — Tom Browne — Funkin’ For Jamaica.mp3
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 18 — Shalamar — A Night To Remember.mp3
Command: PORT 192,168,1,234,218,67
Response: 200 Port command successful
Command: REST 6016272
Response: 350 Rest supported. Restarting at 6016272
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 18 — Shalamar — A Night To Remember.mp3
Response: 550 File not found
Error: Critical file transfer error
Command: PORT 192,168,1,234,218,68
Response: 200 Port command successful
Command: REST 4973672
Response: 350 Rest supported. Restarting at 4973672
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 04 — Tom Browne — Funkin’ For Jamaica.mp3
Response: 550 File not found
Error: Critical file transfer error
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 02 — The Brothers Johnson — Stomp.mp3
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 01 — Aretha Franklin — Jump To It.mp3
Command: PORT 192,168,1,234,218,69
Response: 200 Port command successful
Command: REST 6073323
Response: 350 Rest supported. Restarting at 6073323
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 01 — Aretha Franklin — Jump To It.mp3
Response: 550 File not found
Error: Critical file transfer error
Command: PORT 192,168,1,234,218,70
Response: 200 Port command successful
Command: REST 8302090
Response: 350 Rest supported. Restarting at 8302090
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 02 — The Brothers Johnson — Stomp.mp3
Response: 550 File not found
Error: Critical file transfer error
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 19 — Booker Newberry III — Love Town.mp3
Status: Starting download of /music/!billboards/genres, instrumentals, etc/100 Dance Hits Of The Eighties/100 Dance Hits Of The Eighties Disc 4/100 Dance Hits Of The Eighties Disc 4 — 09 — Vesta Williams — Once Bitten Twice Shy.mp3
Command: PORT 192,168,1,234,218,71
Response: 200 Port command successful
Command: REST 5740419
Response: 350 Rest supported. Restarting at 5740419
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 19 — Booker Newberry III — Love Town.mp3
Response: 550 File not found
Error: Critical file transfer error
Command: PORT 192,168,1,234,218,72
Response: 200 Port command successful
Command: REST 5720984
Response: 350 Rest supported. Restarting at 5720984
Command: RETR 100 Dance Hits Of The Eighties Disc 4 — 09 — Vesta Williams — Once Bitten Twice Shy.mp3
Response: 550 File not found
Error: Critical file transfer error
Status: Disconnected from server
Status: Disconnected from server

This happens several thousand times on the most recent build of FileZilla. I’m confident the music files are there, as it’s my server and I’m able to check the validity through other means. Permissions are fine, too. Any help would be welcome!

ИСПОЛЬЗОВАЛ файлзилу и WinSCP

на сервере в корне есть папки public_shtml , public_html и другие
я создал папку /my-eror, изначально это была папка public_html, я ее переименовал в my-eror и создал новую public_html и внее закачал новые файлы

переименовал папку потому что в папке находятся файлы (2).htaccess, .htaccess — я хотел их обновить а они чего-то так «клонировались» и теперь я не могу их ни удалить , не переименовать, заархивировать — ничего не могу с ними сделать.

вот ошибки

пытаюсь удалить папку получаю

Получение списка каталогов...
Статус:	Список каталогов "/" извлечен
Статус:	Получение списка каталогов "/my-eror"...
Статус:	Подсчет разницы между часовыми поясами...
Статус:	Список каталогов "/my-eror" извлечен
Статус:	Удаление 2 файлов из "/my-eror"
Команда:	DELE (2).htaccess
Ответ:	550 Delete operation failed.
Команда:	DELE .htaccess
Ответ:	550 Delete operation failed.
Команда:	CWD /
Ответ:	250 Directory successfully changed.
Команда:	PWD
Ответ:	257 "/"
Команда:	RMD my-eror
Ответ:	550 Remove directory operation failed.
Статус:	Получение списка каталогов "/"...
Статус:	Список каталогов "/" извлечен

пытаюсь изменить права для папки

Получение списка каталогов "/my-eror"...
Статус:	Список каталогов "/my-eror" извлечен
Статус:	Установка разрешений '/my-eror' на '700'
Статус:	Установка разрешений '/my-eror' на '700'

но открыв опять атрибуты права не изменились.

переношу паку на компьютер, папка перенеслась но файлы в ней пустые 0кб, на сервере они по 150кб

Начинаю скачивать /my-eror/.htaccess
Статус:	Начинаю скачивать /my-eror/(2).htaccess
Статус:	Получение списка каталогов "/my-eror"...
Команда:	PORT 192,168,1,144,206,19
Ответ:	200 PORT command successful. Consider using PASV.
Команда:	RETR (2).htaccess
Ответ:	550 Failed to open file.
Ошибка:	Критическая ошибка при передаче файлов
Команда:	PORT 192,168,1,144,206,18
Ответ:	200 PORT command successful. Consider using PASV.
Команда:	RETR .htaccess
Ответ:	550 Failed to open file.
Ошибка:	Критическая ошибка при передаче файлов
Статус:	Список каталогов "/my-eror" извлечен

пытаюсь удалить именно вложенные файлы

Команда:	DELE (2).htaccess
Ответ:	550 Delete operation failed.
Статус:	Удаление "/my-eror/.htaccess"
Команда:	DELE .htaccess
Ответ:	550 Delete operation failed.

пытаюсь переименовать

Статус:	Переименование '/my-eror/(2).htaccess' в '/my-eror/(2).htaccess.txt'
Команда:	RNFR (2).htaccess
Ответ:	550 RNFR command failed.

хочу изменить права

Статус:	Установка разрешений '/my-eror/.htaccess' на '744'
Команда:	SITE CHMOD 744 .htaccess
Ответ:	550 SITE CHMOD command failed.
Статус:	Получение списка каталогов "/my-eror"...
Статус:	Список каталогов "/my-eror" извлечен

ЧТО ДЕЛАТЬ — КАК УДАЛИТЬ.

Symptoms

You run FTP 7.5 on a computer that is running Windows 7 or Windows Server 2008 R2. When you use the FTP NLST command on the computer, you may experience the problem that is described in one of the following scenarios.

Scenario 1

The NLST command does not return the full virtual path. Therefore, client programs that rely on the NLST command may not function correctly.

Consider the following scenario:

  • You have an FTP site that points to the following directory on the FTP server:

    c:InetpubFtproot

  • You create a subdirectory named Test in the Ftproot directory.

  • You add a file that is named Test.txt in the Test subdirectory. For example, you add the Test.txt file in the following directory:

    c:InetpubFtprootTest

  • You use the FTP.exe utility to connect to the FTP site, and then you run the following command to copy the Test.txt file to the local computer:

    MGET /Test/*.txtNote The FTP.exe utility is the command-line FTP client that is installed by Windows.

In this scenario, the MGET command fails. Additionally, you receive the following error message:

200 EPRT command successful.
550-The system cannot find the file specified.
Win32 error: The system cannot find the file specified.
Error details: File system returned an error.
550 End

Scenario 2

The NLST FTP command returns error code 550 when there is no file that is found. However, you expect to receive «226 Transfer complete» information in this situation as in FTP 6. Therefore, client programs that rely on error code 226 may not function correctly.

Consider the following scenario:

  • You have an FTP site that points to the following directory on the FTP server:

    c:InetpubFtproot

  • You create a subdirectory named Test in the Ftproot directory.

  • You add a compressed file that has a .zip file name extension in the Test subdirectory. For example, you add the .zip file in the following directory:

    c:InetpubFtprootTest

  • The root of the FTP site has no .zip files.

  • You use the FTP.exe utility to connect to the FTP site, and then you run the following command to return a list of .zip files in the Test subdirectory:

    ls *.zipNote The FTP.exe utility is the command-line FTP client that is installed by Windows.


In this scenario, no .zip files are listed. Additionally, you receive the following error message:

200 EPRT command successful.
550-The system cannot find the file specified.
Win32 error: The system cannot find the file specified.
Error details: File system returned an error.
550 End

Resolution

To resolve this problem, apply this hotfix to the computer that has FTP 7.5 installed.

More information about this hotfix

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a «Hotfix download available» section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

Prerequisites

You must have FTP 7.5 installed on the computer that is running Windows 7 or Windows Server 2008 R2 to apply this hotfix.

Restart information

You may have to restart the computer if the Microsoft FTP Service is running when you apply this hotfix. To avoid restarting the computer, stop the Microsoft FTP Service before you apply the hotfix.

Windows 7 and Windows Server 2008 R2 file information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

7.5.7600.14294

16,384

17-Aug-2010

04:26

x86

Ftpctrlps.dll

7.5.7600.14294

9,728

14-Jul-2009

01:15

x86

Ftpmib.dll

7.5.7600.16385

10,240

14-Jul-2009

01:15

x86

Ftpres.dll

7.5.7600.14294

14,848

14-Jul-2009

01:05

x86

Ftpsvc.dll

7.5.7600.14294

309,248

17-Aug-2010

04:26

x86

Ftpsvc.mof

Not applicable

69,252

13-Jul-2009

21:05

Not applicable

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

7.5.7600.14294

18,432

17-Aug-2010

05:14

x64

Ftpctrlps.dll

7.5.7600.14294

13,824

14-Jul-2009

01:40

x64

Ftpmib.dll

7.5.7600.16385

12,800

14-Jul-2009

01:40

x64

Ftpres.dll

7.5.7600.14294

14,848

14-Jul-2009

01:27

x64

Ftpsvc.dll

7.5.7600.14294

349,696

17-Aug-2010

05:14

x64

Ftpsvc.mof

Not applicable

69,252

13-Jul-2009

20:50

Not applicable

For all supported Itanium versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Ftpconfigext.dll

7.5.7600.14294

40,960

17-Aug-2010

04:11

IA-64

Ftpctrlps.dll

7.5.7600.14294

22,528

14-Jul-2009

01:46

IA-64

Ftpmib.dll

7.5.7600.16385

23,552

14-Jul-2009

01:46

IA-64

Ftpres.dll

7.5.7600.14294

14,848

14-Jul-2009

01:35

IA-64

Ftpsvc.dll

7.5.7600.14294

782,336

17-Aug-2010

04:11

IA-64

Ftpsvc.mof

Not applicable

69,252

13-Jul-2009

20:48

Not applicable

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

Update.mum

File version

Not applicable

File size

1,624

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

X86_8a5473cdac17eec9cdd1fea84db72b37_31bf3856ad364e35_6.1.7600.20782_none_070dfc851f28b960.manifest

File version

Not applicable

File size

698

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

X86_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7600.20782_none_4ac80e551014c3bd.manifest

File version

Not applicable

File size

31,009

Date (UTC)

17-Aug-2010

Time (UTC)

21:36

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_6fb705da971d77554c0b298ba757b004_31bf3856ad364e35_6.1.7600.20782_none_eb9d746fbbf18d62.manifest

File version

Not applicable

File size

1,046

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

Amd64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7600.20782_none_a6e6a9d8c87234f3.manifest

File version

Not applicable

File size

31,015

Date (UTC)

17-Aug-2010

Time (UTC)

21:39

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,842

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7600.20782_none_b13b542afcd2f6ee.manifest

File version

Not applicable

File size

11,616

Date (UTC)

17-Aug-2010

Time (UTC)

04:51

Platform

Not applicable

Additional files for Itanium versions of Windows Server 2008 R2

File name

Ia64_2c86fbe9823be1fcd9824e196f3888ac_31bf3856ad364e35_6.1.7600.20782_none_39099b87f10fe45a.manifest

File version

Not applicable

File size

1,044

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

Ia64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7600.20782_none_4ac9b24b1012ccb9.manifest

File version

Not applicable

File size

31,012

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,456

Date (UTC)

17-Aug-2010

Time (UTC)

21:31

Platform

Not applicable

File name

Wow64_microsoft-windows-iis-ftpsvc_31bf3856ad364e35_6.1.7600.20782_none_b13b542afcd2f6ee.manifest

File version

Not applicable

File size

11,616

Date (UTC)

17-Aug-2010

Time (UTC)

04:51

Platform

Not applicable

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the «Applies to» section.

More Information

The NLST FTP command is used to return a list of file names in the given directory. This command uses the current directory when no other information is provided.

The MGET FTP command is used to copy multiple remote files to the local computer by using the current file transfer type.

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I don’t know about all of hat nonsense you coded but a few rules,
You should NOT generate a file during the FTP (or any instantiated connection type) you want to keep the live time down to a absolute minimum for security and efficiency reasons.

Essentially, other than the procedural style the coder adapted to there isn’t anything else that i can see that is politically wrong with the code.

550 is specifically a Access denied error. And that is not the entire error message, it should also tell you if it is a connection to the server that is being denied or the users credentials.

Your team doesn’t seem to familiar with the FTP procedures in VB.net, take a look at my FTP i wrote for a friend.

Public Class FTP
        '-------------------------[BroCode]--------------------------
        '----------------------------FTP-----------------------------
        Private _credentials As System.Net.NetworkCredential
        Sub New(ByVal _FTPUser As String, ByVal _FTPPass As String)
            setCredentials(_FTPUser, _FTPPass)
        End Sub
        Public Sub UploadFile(ByVal _FileName As String, ByVal _UploadPath As String)
            Dim _FileInfo As New System.IO.FileInfo(_FileName)
            Dim _FtpWebRequest As System.Net.FtpWebRequest = CType(System.Net.FtpWebRequest.Create(New Uri(_UploadPath)), System.Net.FtpWebRequest)
            _FtpWebRequest.Credentials = _credentials
            _FtpWebRequest.KeepAlive = False
            _FtpWebRequest.Timeout = 20000
            _FtpWebRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile
            _FtpWebRequest.UseBinary = True
            _FtpWebRequest.ContentLength = _FileInfo.Length
            Dim buffLength As Integer = 2048
            Dim buff(buffLength - 1) As Byte
            Dim _FileStream As System.IO.FileStream = _FileInfo.OpenRead()
            Try
                Dim _Stream As System.IO.Stream = _FtpWebRequest.GetRequestStream()
                Dim contentLen As Integer = _FileStream.Read(buff, 0, buffLength)
                Do While contentLen <> 0
                    _Stream.Write(buff, 0, contentLen)
                    contentLen = _FileStream.Read(buff, 0, buffLength)
                Loop
                _Stream.Close()
                _Stream.Dispose()
                _FileStream.Close()
                _FileStream.Dispose()
            Catch ex As Exception
                MessageBox.Show(ex.Message, "Upload Error: ", MessageBoxButtons.OK, MessageBoxIcon.Error)
            End Try
        End Sub
        Public Sub DownloadFile(ByVal _FileName As String, ByVal _ftpDownloadPath As String)
            Try
                Dim _request As System.Net.FtpWebRequest = System.Net.WebRequest.Create(_ftpDownloadPath)
                _request.KeepAlive = False
                _request.Method = System.Net.WebRequestMethods.Ftp.DownloadFile
                _request.Credentials = _credentials
                Dim _response As System.Net.FtpWebResponse = _request.GetResponse()
                Dim responseStream As System.IO.Stream = _response.GetResponseStream()
                Dim fs As New System.IO.FileStream(_FileName, System.IO.FileMode.Create)
                responseStream.CopyTo(fs)
                responseStream.Close()
                _response.Close()
            Catch ex As Exception
                MessageBox.Show(ex.Message, "Download Error: ", MessageBoxButtons.OK, MessageBoxIcon.Error)
            End Try
        End Sub
        Public Function GetDirectory(ByVal _ftpPath As String) As List(Of String)
            Dim ret As New List(Of String)
            Try
                Dim _request As System.Net.FtpWebRequest = System.Net.WebRequest.Create(_ftpPath)
                _request.KeepAlive = False
                _request.Method = System.Net.WebRequestMethods.Ftp.ListDirectoryDetails
                _request.Credentials = _credentials
                Dim _response As System.Net.FtpWebResponse = _request.GetResponse()
                Dim responseStream As System.IO.Stream = _response.GetResponseStream()
                Dim _reader As System.IO.StreamReader = New System.IO.StreamReader(responseStream)
                Dim FileData As String = _reader.ReadToEnd
                Dim Lines() As String = FileData.Split(New String() {Environment.NewLine}, StringSplitOptions.RemoveEmptyEntries)
                For Each l As String In Lines
                    ret.Add(l)
                Next
                _reader.Close()
                _response.Close()
            Catch ex As Exception
                MessageBox.Show(ex.Message, "Directory Fetch Error: ", MessageBoxButtons.OK, MessageBoxIcon.Error)
            End Try
            Return ret
        End Function

        Private Sub setCredentials(ByVal _FTPUser As String, ByVal _FTPPass As String)
            _credentials = New System.Net.NetworkCredential(_FTPUser, _FTPPass)
        End Sub
    End Class

FTP is a simple method to upload files to the server.

Although, it is rather easy to transfer files, FTP users often get stuck with errors. One such FTP error is “550 No such file or directory“.

Broadly speaking, this error means that the file or folder do not exist.

As part of our Outsourced Technical Support Services, we regularly fix these type of FTP errors for our customers.

Today, we’ll see the causes for the error “FTP 550 no such file or directory” and how our Support Engineers fix them.

What is FTP 550 error?

Firstly, let’s get a quick idea on the FTP 550 error.

The 5xx error falls under the permanent negative completion reply status of the FTP server. And, it means that the FTP server did not accept the command and the requested action did not take place. Further more, x5x error denotes File system errors in FTP server.
Overall, the 550 error means the file was not found or there are access restrictions for the file.

Causes for “FTP 550 no such file or directory”

Recently, one of our customers reported trouble with FTP upload. The logs of his FTP session looked as shown below.

STATUS:> Transferring file "/mydir/home.html"...
COMMAND:> SIZE home.html
550 home.html: No such file.
STATUS:> Requested action not taken (e.g., file or directory not found, no access).
COMMAND:> CWD /mydir/home.html
550 /mydir/home.html: No such file or directory.

Here, the customer was trying to PUT the file home.html via FTP. And that resulted in the error.

Now, let’s see the top causes for the error.

1. Incorrect path

Usually, “FTP 550 no such file or directory” error happens when the customers try to upload files from the wrong directory.

For example, when the file is present in the folder /home/user/abc.html, an attempt to upload from the path /home will cause this error.

This error also happens when customer uses the relative path in FTP.

2. Permission problems

Similarly, wrong permission on the files or folders can also cause this 550 error. When the user do not have privileges on the file they are trying to access, it will report the 550 error.

Additionally, a typo in the file name will also lead to this error.

3. Wrong Mount points

Again, we often see FTP 550 errors when users trying to access files in the mounted file systems.

For instance, recently a customer complained about the problems accessing files via FTP. In his server, he had a mounted file system. But, this mount failed after a server reboot. And, when he tried to access a file in this mounted directory, it resulted in the error:

550 : No such file or directory

How to fix FTP 550 error?

Till now, we saw the various causes for the FTP 550 error. Let’s now have a look on how to fix it.

We already know that the underlying reason for the FTP 550 error could be file not residing at the path.

That’s why, our Support Engineers first check the exact path that the customer uses via FTP. We connect to the server via SSH and confirm the presence of the file. If the file is not found on the path, we advise customer on the correct path. Or, for file name typo issues, we educate customer on the exact file name.

We always encourage customers to use the absolute path of the file in FTP connections.

Similarly, we check the server mount points and confirm the availability of file system and its contents too.

[Are you getting 550 error while accessing files via FTP?  We can quickly fix it for you.]

Conclusion

In short, FTP error “550 no such file or directory” happens mainly when the file do not exist at the path, due to permission problems, etc. Today, we saw the top causes for the error and how our Support Engineers fix them.

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