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Logan edited comment on SSHD-927 at 6/25/19 6:23 PM: ----------------------------------------------------- You are indeed correct! I was checking through the [options for sftp|https://www.ssh.com/manuals/client-user/44/sftp2_Commands.html] it appears the opcode refers to checksum and was default on. Turning off checksum makes things smoother. {noformat} test@localhost#9999's password: Remote system type is POSIX. sftp> put --checksum=no ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9ff f67a.exe ..51a318e78e4e1c02adc7e9fff67a.exe | 41MB | 14.2MiB/s | TOC: 00:00:02 | 100% sftp> put --checksum=no ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9ff f67a.exe ..51a318e78e4e1c02adc7e9fff67a.exe | 41MB | 7.6MiB/s | TOC: 00:00:05 | 100% sftp> put --checksum=no ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9ff f67a.exe ..51a318e78e4e1c02adc7e9fff67a.exe | 41MB | 6.5MiB/s | TOC: 00:00:06 | 100% sftp> exit{noformat} However I have 2 questions: # Why is the affecting only if the file already exists on remote server? # Any plans of supporting this feature in SSHD? was (Author: apachelogan): You are indeed correct! I was checking through the [options for sftp|https://www.ssh.com/manuals/client-user/44/sftp2_Commands.html] it appears the opcode refers to checksum and was default on. Turning off checksum would make things smoother. {noformat} test@localhost#9999's password: Remote system type is POSIX. sftp> put --checksum=no ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9ff f67a.exe ..51a318e78e4e1c02adc7e9fff67a.exe | 41MB | 14.2MiB/s | TOC: 00:00:02 | 100% sftp> put --checksum=no ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9ff f67a.exe ..51a318e78e4e1c02adc7e9fff67a.exe | 41MB | 7.6MiB/s | TOC: 00:00:05 | 100% sftp> put --checksum=no ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9ff f67a.exe ..51a318e78e4e1c02adc7e9fff67a.exe | 41MB | 6.5MiB/s | TOC: 00:00:06 | 100% sftp> exit{noformat} However I have 2 questions: # Why is the affecting only if the file already exists on remote server? # Any plans of supporting this feature in SSHD? > SFTP put fails terminating the connection if the remote file exists > ------------------------------------------------------------------- > > Key: SSHD-927 > URL: https://issues.apache.org/jira/browse/SSHD-927 > Project: MINA SSHD > Issue Type: Bug > Affects Versions: 2.1.0, 2.2.0 > Environment: Java: > C:\Program Files\Java\jdk1.8.0_201\bin>java -version > java version "1.8.0_201" > Java(TM) SE Runtime Environment (build 1.8.0_201-b26) > Java HotSpot(TM) 64-Bit Server VM (build 25.201-b26, mixed mode) > Apache SSHD : 2.1.0 > C:\temp>sftp2 --version > sftp2: Tectia Client 6.4.14 on x86-pc-windows > Build: 26 > Product: Tectia Client > License type: commercial > Copyright (C) SSH Communications Security Corporation. > This software is protected by international copyright laws. > All rights reserved. > This product includes software developed by the OpenSSL Project > for use in the OpenSSL Toolkit. (http://www.openssl.org/) > SFT API: 2.0.3 (build 6.4.14.26) > Reporter: Logan > Priority: Major > Attachments: sshd.log, thread-callstack.txt > > > Sftp put fails if the file already exists on the sftp server, terminating the > sfp session immediately.Below is the simple configuration to reproduce > > {code:java} > SshServer sshd = SshServer.setUpDefaultServer(); > sshd.setPort(9999); > sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider()); > sshd.setSubsystemFactories(Arrays.asList(new SftpSubsystemFactory())); > sshd.setFileSystemFactory(new VirtualFileSystemFactory(new > File("C:/temp").toPath())); > sshd.setPasswordAuthenticator(AcceptAllPasswordAuthenticator.INSTANCE); > sshd.start(); > {code} > > {noformat} > C:\temp>sftp2 test@localhost#9999 > Host key for the host "localhost#9999" not found from database. > The fingerprint of the host public key is: > Babble: "xodec-damen-ripeg-hehuh-venep-pebys-zureg-rynit-mypiz-byheh-zixax" > RFC4716: "1d:4f:c2:a4:fe:58:93:61:fe:44:69:26:f2:41:34:f7" > You can get a public key's fingerprint by running > % ssh-keygen-g3 -F publickey.pub > on the key file. > Please select how you want to proceed. > cancel) Cancel the connection. > once) Proceed with the connection but do not save the key. > save) Proceed with the connection and save the key for future use. > Please select one (cancel, once, save): once > test@localhost#9999's password: > Remote system type is POSIX. > sftp> put ndp46-kb4483451-x64_41ba9b8a814351a318e78e4e1c02adc7e9fff67a.exe > Error: Connection lost. > {noformat} > Upon Debugging I found the SftpSystem is terminated because the file channel > received close command ( see attached ) > Added event listener to see reading and read method are called but no > writing/write methods are never called. > > This can reproducible with v2.2.0 -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@mina.apache.org For additional commands, e-mail: dev-h...@mina.apache.org