[
https://issues.apache.org/jira/browse/SSHD-1207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Guillaume Nodet updated SSHD-1207:
----------------------------------
Description:
We have been using Apache SSHD version 2.5.1 for SFTP Server functionaity and
it was working very well with all the sftp clients. Recently we have upgraded
2.7.0 and facing issues with largefile downloads using WinSCP. Entire file is
not getting downloaded. Some time with out downloading the entire file WinSCP
is showing the transfer as complete. In the Apache SSHD logs, I see many EOF
status messages to the client. Not sure why so many EOF messages are exchanged
between the client and Server.
{code:java}
04 Aug 2021 21:38:10,841 [sshd-SftpSubsystem-46473-thread-1] DEBUG Nio2Session
- writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 16448 bytes
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
process(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[length=53,
type=SSH_FXP_READ, id=4884997] processing
04 Aug 2021 21:38:10,842 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG ServerSessionImpl -
encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
#149 sending command=94[SSH_MSG_CHANNEL_DATA] len=10734
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
doSendStatus(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[id=4884997]
SSH_FXP_STATUS (substatus=SSH_FX_EOF, lang=, msg=End of file)
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
process(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[length=53,
type=SSH_FXP_READ, id=4885253] processing
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
doSendStatus(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[id=4885253]
SSH_FXP_STATUS (substatus=SSH_FX_EOF, lang=, msg=End of file)
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 10800 bytes
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG ServerSessionImpl -
encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
#150 sending command=94[SSH_MSG_CHANNEL_DATA] len=41
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 96 bytes
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG ServerSessionImpl -
encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
#151 sending command=94[SSH_MSG_CHANNEL_DATA] len=41
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 96 bytes
04 Aug 2021 21:38:11,038 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-8]
DEBUG ChannelSession - handleData(ChannelSession[id=0,
recipient=256]-ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])
SSH_MSG_CHANNEL_DATA len=57{code}
was:
We have been using Apache SSHD version 2.5.1 for SFTP Server functionaity and
it was working very well with all the sftp clients. Recently we have upgraded
2.7.0 and facing issues with largefile downloads using WinSCP. Entire file
is not getting downloaded. Some time with out downloading the entire file
WinSCP is showing the transfer as complete. In the Apache SSHD logs, I see
many EOF status messages to the client. Not sure why so many EOF messages are
exchanged between the client and Server.
04 Aug 2021 21:38:10,841 [sshd-SftpSubsystem-46473-thread-1] DEBUG Nio2Session
- writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 16448 bytes
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
process(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[length=53,
type=SSH_FXP_READ, id=4884997] processing
04 Aug 2021 21:38:10,842 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG ServerSessionImpl -
encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
#149 sending command=94[SSH_MSG_CHANNEL_DATA] len=10734
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
doSendStatus(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[id=4884997]
SSH_FXP_STATUS (substatus=SSH_FX_EOF, lang=, msg=End of file)
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
process(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[length=53,
type=SSH_FXP_READ, id=4885253] processing
04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
SftpSubsystem -
doSendStatus(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[id=4885253]
SSH_FXP_STATUS (substatus=SSH_FX_EOF, lang=, msg=End of file)
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 10800 bytes
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG ServerSessionImpl -
encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
#150 sending command=94[SSH_MSG_CHANNEL_DATA] len=41
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 96 bytes
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG ServerSessionImpl -
encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
#151 sending command=94[SSH_MSG_CHANNEL_DATA] len=41
04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
remote=10.84.42.167/10.84.42.167:59334]) writing 96 bytes
04 Aug 2021 21:38:11,038 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-8]
DEBUG ChannelSession - handleData(ChannelSession[id=0,
recipient=256]-ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])
SSH_MSG_CHANNEL_DATA len=57
> Large file get using WinSCP with Apache SFTP Server is not working
> ------------------------------------------------------------------
>
> Key: SSHD-1207
> URL: https://issues.apache.org/jira/browse/SSHD-1207
> Project: MINA SSHD
> Issue Type: Bug
> Reporter: Sreedhar J
> Priority: Major
> Attachments: largefile_issue.png, sshdnativelogs.log
>
>
> We have been using Apache SSHD version 2.5.1 for SFTP Server functionaity and
> it was working very well with all the sftp clients. Recently we have upgraded
> 2.7.0 and facing issues with largefile downloads using WinSCP. Entire file is
> not getting downloaded. Some time with out downloading the entire file WinSCP
> is showing the transfer as complete. In the Apache SSHD logs, I see many EOF
> status messages to the client. Not sure why so many EOF messages are
> exchanged between the client and Server.
> {code:java}
> 04 Aug 2021 21:38:10,841 [sshd-SftpSubsystem-46473-thread-1] DEBUG
> Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
> remote=10.84.42.167/10.84.42.167:59334]) writing 16448 bytes
> 04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
> SftpSubsystem -
> process(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[length=53,
> type=SSH_FXP_READ, id=4884997] processing
> 04 Aug 2021 21:38:10,842 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
> DEBUG ServerSessionImpl -
> encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
> #149 sending command=94[SSH_MSG_CHANNEL_DATA] len=10734
> 04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
> SftpSubsystem -
> doSendStatus(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[id=4884997]
> SSH_FXP_STATUS (substatus=SSH_FX_EOF, lang=, msg=End of file)
> 04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
> SftpSubsystem -
> process(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[length=53,
> type=SSH_FXP_READ, id=4885253] processing
> 04 Aug 2021 21:38:10,842 [sshd-SftpSubsystem-46473-thread-1] DEBUG
> SftpSubsystem -
> doSendStatus(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])[id=4885253]
> SSH_FXP_STATUS (substatus=SSH_FX_EOF, lang=, msg=End of file)
> 04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
> DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
> remote=10.84.42.167/10.84.42.167:59334]) writing 10800 bytes
> 04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
> DEBUG ServerSessionImpl -
> encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
> #150 sending command=94[SSH_MSG_CHANNEL_DATA] len=41
> 04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
> DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
> remote=10.84.42.167/10.84.42.167:59334]) writing 96 bytes
> 04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
> DEBUG ServerSessionImpl -
> encode(ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334]) packet
> #151 sending command=94[SSH_MSG_CHANNEL_DATA] len=41
> 04 Aug 2021 21:38:10,843 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-1]
> DEBUG Nio2Session - writeBuffer(Nio2Session[local=/10.15.102.66:59119,
> remote=10.84.42.167/10.84.42.167:59334]) writing 96 bytes
> 04 Aug 2021 21:38:11,038 [sshd-SshServer[6ad1bbb8](port=59119)-nio2-thread-8]
> DEBUG ChannelSession - handleData(ChannelSession[id=0,
> recipient=256]-ServerSessionImpl[testuser1@10.84.42.167/10.84.42.167:59334])
> SSH_MSG_CHANNEL_DATA len=57{code}
>
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