Error 83ef0000 receiving sftp packet

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Error 83ef0000 receiving sftp packet

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kleinke49

Posted 2/14/2008 10:11:59 AM

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We are getting an intermittent error when uploading files with the SDK version 8.0.1. The file sizes are farily consistant with each upload (none over 10 MB) and we get this error occasonally:

SSH Channel confirmed open: LocalID Sad 0760a2ce) ServerID(00000000) ServerMaxPacket(34000) ServerWindow(0)
Started subsystem "sftp" on channel 0760a2ce
Server Window of 0 not enough for data of 9 on channel 0760a2ce
Waiting for 5 seconds for server to adjust channel window
Adjusting Channel Server Window by 131072 bytes from 0 to 131072
SFTP Protocol Version 3 OK
sftp protocol initialized
Opening remote file "./XXX.100271" for writing
Uploading local file "D:\XXX.STL"
SFTP Send File Parameters: MaxSendBlock=30000, MinSendBlock=4096, ServerMaxPacket=34000, StatusTimeout(300)
AvgSendRecvRTT(172 ticks), AvgWindowAdjustment(131072 bytes), AvgWindowAdjustmentPoint(0 bytes)
510000 bytes of 10192249 sent - (5%)
990000 bytes of 10192249 sent - (10%)
1500000 bytes of 10192249 sent - (15%)
SFTP Upload reducing MinServerWindow to 3102, PacketDivisor to 4
2070000 bytes of 10192249 sent - (20%)
2550000 bytes of 10192249 sent - (25%)
3030000 bytes of 10192249 sent - (30%)
SFTP Upload reducing MinServerWindow to 2327, PacketDivisor to 5
3606276 bytes of 10192249 sent - (35%)
4085851 bytes of 10192249 sent - (40%)
4565486 bytes of 10192249 sent - (45%)
SFTP Upload reducing MinServerWindow to 1746, PacketDivisor to 6
5083006 bytes of 10192249 sent - (50%)
5611959 bytes of 10192249 sent - (55%)
6081241 bytes of 10192249 sent - (60%)
6589684 bytes of 10192249 sent - (65%)
7137297 bytes of 10192249 sent - (70%)
7606723 bytes of 10192249 sent - (75%)
8115309 bytes of 10192249 sent - (80%)
8663062 bytes of 10192249 sent - (85%)
Server has disconnected for reason 2 (SSH_DISCONNECT_PROTOCOL_ERROR)
"Data length of 19589 bytes exceeded available window space of 13538 bytes."
Error 83ef0000 receiving sftp packet

I have logs from other uploads as well and they show the same thing. They don't error out in the exact same spot but they give the same error. Any ideas what's going on here?

Post #40958

slim724

Posted 9/30/2008 7:57:35 PM

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Was a fix found for this? I'm getting this intermittently too when sending large files.

Looks like I'm running this version: Client Version: SSH-2.0-WS_FTP-9.01-2007.05.29

[2008.09.30 18:16:22.864] Server Welcome: SSH-2.0-ADP Maverick SSH Server 1.0

[2008.09.30 18:16:22.864] Client Version: SSH-2.0-WS_FTP-9.01-2007.05.29

[2008.09.30 18:16:23.348] DSS Signature Verified

[2008.09.30 18:16:23.348] Session Keys Created
[2008.09.30 18:16:23.348] Ciphers Created

[2008.09.30 18:16:23.348] New Client->Server ciphers in place.

[2008.09.30 18:16:23.348] Completed SSH Key Exchange. New Keys in place.

[2008.09.30 18:16:23.926] Use your assigned file naming convention for uploading files

[2008.09.30 18:16:24.161] User Authenticated OK!

[2008.09.30 18:16:24.161] Completed SSH User Authentication.

[2008.09.30 18:16:24.457] Started subsystem "sftp" on channel 0760a2ce

[2008.09.30 18:16:24.457] Server Window of 0 not enough for data of 9 on channel 0760a2ce

[2008.09.30 18:16:24.457] Waiting for 5 seconds for server to adjust channel window

[2008.09.30 18:16:24.457] Adjusting Channel Server Window by 131072 bytes from 0 to 131072

[2008.09.30 18:16:24.614] SFTP Protocol Version 3 OK

[2008.09.30 18:16:24.770] sftp protocol initialized

[2008.09.30 18:16:24.770] Changing remote directory to "/home/psftpwfg10/INBOUND"

[2008.09.30 18:16:25.082] Getting Dirlisting

[2008.09.30 18:16:25.426] # transferred 0 bytes in 0.187 seconds, 0.000 Bps ( 0.000 Bps), transfer succeeded.

[2008.09.30 18:16:25.598] Opening remote file "/home/psftpwfg10/INBOUND/p.wfg1.tax.20080930175734.qtrly.zip" for writing

[2008.09.30 18:16:25.754] Uploading local file "d:\data\ADP\p.wfg1.tax.20080930175734.qtrly.zip"

[2008.09.30 18:16:28.754] Server has disconnected for reason 2 (SSH_DISCONNECT_PROTOCOL_ERROR)

[2008.09.30 18:16:28.754] "Data length of 34008 bytes exceeded available window space of 29048 bytes."

[2008.09.30 18:16:28.754] Error 83ef0000 receiving sftp packet

[2008.09.30 18:16:28.754] # transferred 713160 bytes in 3.000 seconds, 1901.809 Kbps ( 237.726 KBps), transfer failed.

[2008.09.30 18:16:28.754] Error 83ef0000 receiving sftp packet

[2008.09.30 18:16:28.754] Sending channel close message for channel 0760a2ce

[2008.09.30 18:16:28.754] SSH Transport closed.

[2008.09.30 18:16:28.754] Connection closed. Ready for next connection.

Post #47385

pvanatta

Posted 2/13/2009 2:09:47 PM

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Yes, I got the same error too. My solution was to ZIP the files before sending. Interestingly enough the downloading of files seems to work fine regardless of how big they are, but when uploading files the SDK errors out if they are too large or the upload takes too long.

Post #50764

jeffld

Posted 3/2/2009 12:48:40 PM

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Last Login: 11/20/2009 3:29:44 PM
Posts: 15, Visits: 21

This issue also interests me. Is there any place where the available window size can be set? maybe part of windows tcp/ip settings? Is this a WS_FTP issue, or a windows environment issue?

Post #51126

jeffld

Posted 11/17/2009 2:19:22 PM

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BUMP

Crazy

Post #56053

plm55

Posted 4/20/2010 11:39:36 AM

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Has anybody been able to identify the issue.

I have not been able to find an answer to resolve the issue. It is impacting multiple ssh transfers.

Thanks,

Post #57024

mersingerk

Posted 7/15/2010 1:26:50 PM

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I have the same problem. Only work-around I have found is to use the PSFTP client.

Post #57506

proximityinfotech6

Posted 7/16/2010 5:57:14 AM

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Post #57520

slim724

Posted 7/16/2010 10:11:20 AM

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In my case, it was on the server side (which I don't control or have access to). here is a snippet of an email from the server owner. They use Maverick server software.

We upgraded our Maverick SW. The upgrade brought it up to SSH2 standards.

Unfortunately, the two products (GlobalScape & WS_FTP) have a certain way of dealing with "window size" and "MTU" (maximum transmission unit) that other products and the SSH2 standard don't.

So, they implemented work-arounds to continue supporting the way these 2 products handle the "window size" & "MTU". We now support standard and non-standard SSH2 settings.

Post #57522

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