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I am using chilkat x64 9.5.0.89 version in my C# application for dowloading file from SFTP through "downloadbyfilename" option. I have requirement to download a file with zero byte. When we try to download we get error in this version as shown below but my earlier version download the same file without any issue. I get error from chilkat as

--Chilkat Error

ChilkatLog: DownloadFileByName: DllDate: Nov 28 2021 ChilkatVersion: 9.5.0.89 UnlockPrefix: *****(removed for security reason) Architecture: Little Endian; 64-bit Language: .NET 4.6 / x64 / VS2015 VerboseLogging: 0 SshVersion: SSH-2.0-Sun_SSH_1.0.1 SftpVersion: 3 IdleTimeoutMs: 30000 downloadFileByName: PreserveDate: 0 fromFilePath: /Download1/1TestZero.pdf toFilePath: E:\Test\1TestZero.pdf OpenRemoteFile: sftpOpenFile: remotePath: /Download1/1TestZero.pdf access: readOnly createDisposition: openExisting v3Flags: 0x1 Sent FXP_OPEN responseMsgType: SSH_FXP_HANDLE handle: 00000000 --sftpOpenFile timeToOpenMs: Elapsed time: 281 millisec --OpenRemoteFile fetchRemoteFileAttributes1: fetchAttributes: filename: /Download1/1TestZero.pdf Using FXP_STAT Sent message to fetch attributes. Received SSH_FXP_ATTRS --fetchAttributes timeToFetchAttrMs: Elapsed time: 266 millisec --fetchRemoteFileAttributes1 SFTP server did not provide remote file size. resumeFlag: 0 Reading until end of file.. soRcvBuf: 1048576 soSndBuf: 1048576 cryptAlgorithm: aes macAlgorithm: SHA-1 compression: no newDownloadLoop: fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e fx_status: SSH_FX_EOF FXP_status_message: e Did nothing for 60 seconds! --newDownloadLoop sftpCloseHandle: handle: 00000000 Sent FXP_CLOSE statusResponseFromServer: request: FXP_CLOSE statusCode: 0 statusMessage: --statusResponseFromServer --sftpCloseHandle timeToCloseHandleMs: Elapsed time: 281 millisec Closing local output file... totalTimeMs: Elapsed time: 61453 millisec --downloadFileByName Failed. --DownloadFileByName --ChilkatLog

Krishna
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  • If the file is zero in size there is nothing to download. You can just create a file with the same name locally. – Magnus Mar 04 '22 at 12:49
  • Thanks for your comment, I also planned for similar kind of work around but before doing that just wanted to intimate Chilkat or know whether already fix available for it. Actually same version work for Uploading a zero byte file only for Download it gives error. Also earlier version works for both upload and download zero byte file. so just want to find whether there is any sub release from Chilkat for this fix.. Thanks anyway – Krishna Mar 04 '22 at 15:19

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