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SFTP download partial file

Hello, I'm downloading a TXT file via SFTP with command:

success = sftp.DownloadFileByName(remoteFilePath, localFilePath);

and it works but the file is missing of last chars. The log tell me the file is 4488 bytes, but really is 4522. Chilkat logs:

DownloadFileByName: DllDate: May 25 2017 ChilkatVersion: 9.5.0.68 UnlockPrefix: GLOCALSSH Architecture: Little Endian; 64-bit Language: .NET 4.5 / x64 VerboseLogging: 1 SshVersion: SSH-2.0-SSH SftpVersion: 3 downloadFileByName: PreserveDate: 0 fromFilePath: OUTPUT/AGOPT20170626.TXT toFilePath: D:TEMPImportFlussiOUTPUTAGOPT20170626.TXT fromFilePathUtf8_QP: OUTPUT/AGOPT20170626.TXT toFilePathUtf8_QP: D:TEMPImportFlussiOUTPUTAGOPT20170626.TXT OpenRemoteFile: sftpOpenFile: filepathUtf8_QP: OUTPUT/AGOPT20170626.TXT remotePath: OUTPUT/AGOPT20170626.TXT access: readOnly createDisposition: openExisting v3Flags: 0x1 sendPacket: channelSendData2: (leaveContext) (leaveContext) Sent FXP_OPEN readSftpPacket: (leaveContext 93ms) handle: 2F4F55545055542F41474F505432303137303632362E545854 (leaveContext 93ms) timeToOpenMs: Elapsed time: 93 millisec (leaveContext 93ms) FetchRemoteFileAttributes: fetchAttributes: bFollowLinks: 1 bIsHandle: 0 bSizeOnly: 1 filename: OUTPUT/AGOPT20170626.TXT serverVersion: 3 Using FXP_STAT sendPacket: channelSendData2: (leaveContext) (leaveContext 16ms) Sent message to fetch attributes. readSftpPacket: (leaveContext) Received SSH_FXP_ATTRS unpackFileAttr_v3: validFlags: 0xd size: 4488 permissions: 0x81ff octalPermissions: 100777 type: 1 lastAccessTime32: 0x59511690 lastModifiedTime32: 0x59511690 (leaveContext) (leaveContext 16ms) timeToFetchAttrMs: Elapsed time: 16 millisec (leaveContext 16ms) remoteFileSize: 4488 resumeFlag: 0 openForReadWriteWin32: (leaveContext) numBytesToDownload: 4488 soRcvBuf: 4194304 soSndBuf: 262144 cryptAlgorithm: aes macAlgorithm: SHA-1 compression: no newDownloadLoop: offset64: 0 numBytesToDownload: 4488 readUntilEnd: 0 sendFxpRead: sendPacket: sendChannelData: (leaveContext) (leaveContext) (leaveContext) (leaveContext 78ms) sftpCloseHandle: handle: 2F4F55545055542F41474F505432303137303632362E545854 sendPacket: channelSendData2: (leaveContext) (leaveContext) Sent FXP_CLOSE readSftpPacket: (leaveContext 31ms) StatusResponseFromServer: Request: FXP_CLOSE InformationReceivedFromServer: StatusCode: 0 StatusMessage: The operation completed (leaveContext) (leaveContext) (leaveContext 31ms) timeToCloseHandleMs: Elapsed time: 31 millisec Closing local output file... Verifying local output file size... localFileSizeAfterDownload: 4488 expectedFileSizeAfterDownload: 4488 Good. The local file is the expected size. totalTimeMs: Elapsed time: 250 millisec (leaveContext 250ms) Success. (leaveContext 250ms)

Server Logs with filezilla client: 1 Filezilla asks 32768 bytes and get 4522 (really dimension) 2017-06-26 16:17:22,742 [Thread-140] INFO SPXPSshdLoggingListener - Remote client wants 32768 bytes from file at offset 0 localwindow=130817 remotewindow=2147483273 2017-06-26 16:17:22,742 [Thread-140] INFO SpecialLog - SFTPSERVERCMD: (xxxx@/xxxxxxx:50907) readFile /OUTPUT/AGOPT20170626.TXT 2017-06-26 16:17:22,742 [Thread-140] TRACE SFTPVirtualFileSystem - Entering SFTPVirtualFileSystem.readFile: 2017-06-26 16:17:22,742 [Thread-140] TRACE SFTPVirtualFileSystem - fileHandle: 2F4F55545055542F41474F505432303137303632362E545854 offset: 0 buf.length: 32785 start: 13 numBytesToRead: 32768 2017-06-26 16:17:22,742 [Thread-140] TRACE SFTPVirtualFileSystem - Exiting SFTPVirtualFileSystem.readFile: 2017-06-26 16:17:22,742 [Thread-140] TRACE SFTPVirtualFileSystem - SFTPVirtualFileSystem.readFile: Returning 4522 2017-06-26 16:17:22,742 [Thread-140] INFO SPXPSshdLoggingListener - Read 4522 bytes from filesystem …2017-06-26 16:17:23,117 [Thread-140] DEBUG SPXPSshdLoggingListener - SFTP_FILE_DOWNLOAD_COMPLETE| FILE_NAME = /OUTPUT/AGOPT20170626.TXT| SESSION_ID = [B@4f0bb37b| NFS = com.xxxxxxxxx.spxp.sftpserver.filesystem.SFTPVirtualFileSystem@38e07fc8| BYTES_TRANSFERED = 4522 SUCCESS

Serve logs with Chilkat library: 2 ChilkatDotNet45 v.9.5.0.61 asks 4488 bytes and get 4488 (not completed size!)

2017-06-26 16:17:55,211 [Thread-142] INFO SPXPSshdLoggingListener - Remote client wants 4488 bytes from file at offset 0 localwindow=130852 remotewindow=2096701 2017-06-26 16:17:55,211 [Thread-142] INFO SpecialLog - SFTPSERVERCMD: (SPZ-AXEROX@/172.30.193.146:50924) readFile /OUTPUT/AGOPT20170626.TXT 2017-06-26 16:17:55,211 [Thread-142] TRACE SFTPVirtualFileSystem - Entering SFTPVirtualFileSystem.readFile: 2017-06-26 16:17:55,211 [Thread-142] TRACE SFTPVirtualFileSystem - fileHandle: 2F4F55545055542F41474F505432303137303632362E545854 offset: 0 buf.length: 4505 start: 13 numBytesToRead: 4488 2017-06-26 16:17:55,211 [Thread-142] TRACE SFTPVirtualFileSystem - Exiting SFTPVirtualFileSystem.readFile: 2017-06-26 16:17:55,211 [Thread-142] TRACE SFTPVirtualFileSystem - SFTPVirtualFileSystem.readFile: Returning 4488 2017-06-26 16:17:55,211 [Thread-142] INFO SPXPSshdLoggingListener - Read 4488 bytes from filesystem 2017-06-26 16:17:55,258 [Thread-142] DEBUG SPXPSshdLoggingListener - SFTP_FILE_DOWNLOAD_COMPLETE| FILE_NAME = OUTPUT/AGOPT20170626.TXT| SESSION_ID = [B@77c16c5f| NFS = com.xxxxxxxx.spxp.sftpserver.filesystem.SFTPVirtualFileSystem@52e42811| BYTES_TRANSFERED = 4488 SUCCESS


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