Topic "FTP on 4.1.3.393: Assertion failed: xdrPtr && xdrPtr == *xd"

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jazzdelightsme
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Joined: 2008-06-10
Posts: 3
WinSCP version 4.1.3 build 393, over FTP, there was some kind of problem. It asked if I wanted to overwrite an existing file (and I'm not sure how there was an existing file, I was copying a new directory), I think I clicked no, and then I got a disconnect notice, and then this assert (followed by abnormal program termination):

Assertion failed: xdrPtr && xdrPtr == *xdrLPP, file xx.cpp, line 2233

I think that's the order everything happened in, anyway; it all went by so fast.

I have enabled logging for future runs.
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jazzdelightsme
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Joined: 2008-06-10
Posts: 3
It seems to try to download the same file twice, but the size is different? Here is the log:

Code:
. 2008-06-09 21:07:09.976 File: "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG"
. 2008-06-09 21:07:09.977 Copying "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG" to local directory started.
. 2008-06-09 21:07:09.979 Binary transfer mode selected.
. 2008-06-09 21:07:09.980 Starting download of /user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG
> 2008-06-09 21:07:09.981 TYPE I
< 2008-06-09 21:07:10.072 200 Type set to I.
> 2008-06-09 21:07:10.072 PORT 71,112,109,127,77,190
< 2008-06-09 21:07:10.165 200 PORT command successful.
> 2008-06-09 21:07:10.224 RETR PPPPPPPPPP.JPG
< 2008-06-09 21:07:10.409 150  Opening BINARY mode data connection for /user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.JPG  (17335 bytes).
< 2008-06-09 21:07:10.872 226  Transfer complete.
. 2008-06-09 21:07:10.873 Download successful
. 2008-06-09 21:07:10.873 File: "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg"
. 2008-06-09 21:07:10.876 Copying "/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg" to local directory started.
. 2008-06-09 21:07:10.877 Binary transfer mode selected.
. 2008-06-09 21:07:10.878 Starting download of /user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg
. 2008-06-09 21:07:10.879 Asking user:
. 2008-06-09 21:07:10.879 Local file 'PPPPPPPPPP.jpg' already exists. Overwrite?
. 2008-06-09 21:07:10.879 
. 2008-06-09 21:07:10.879 New:         22095 bytes, 2/6/2007
. 2008-06-09 21:07:10.879 Existing:    17335 bytes, 2/6/2007 1:00:00 AM ()
< 2008-06-09 21:13:22.282 421 Timeout (300 seconds): closing control connection.
. 2008-06-09 21:13:22.282 Copying files from remote side failed.
* 2008-06-09 21:13:22.282 (ExtException) Copying files from remote side failed.
* 2008-06-09 21:13:22.283 Timeout (300 seconds): closing control connection.
. 2008-06-09 21:13:22.283 Asking user:
. 2008-06-09 21:13:22.283 Error transferring file '/user/xxxx/yyyyyyyyyy/zzzzzzz/2007/02/PPPPPPPPPP.jpg'. ("Copying files from remote side failed.","Timeout (300 seconds): closing control connection.")
. 2008-06-09 21:13:22.738 Disconnected from server
* 2008-06-09 21:13:22.738 (ESshFatal) Lost connection.
* 2008-06-09 21:13:22.738 Disconnected from server
jazzdelightsme
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Joined: 2008-06-10
Posts: 3
Ah, it seems that the problem is a difference in case--there are two files on the server, but one file ends with ".jpg", while the other file ends in ".JPG". 'Tis okay on linux; not so much on Windows.
martin
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Joined: 2002-12-10
Posts: 24512
Location: Prague, Czechia
Does the problem occur always, e.g. if you answer on the overwrite prompt immediately? Or does it happen only if you keep it idle for a while, so that the server disconnects meanwhile (as can be seen in the log)? Also does it matter what button you click (yes/no).
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Martin Prikryl
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I think it only happens when the connection was idle for a while, so thtat the server disconnects meanwhile. Not sure if it matters if I choose yes or no. Unfortunately, the server I was working against is quite flakey (yahoo); sometimes it disconnects quickly, sometimes not.
martin
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Joined: 2002-12-10
Posts: 24512
Location: Prague, Czechia
Quote:
I think it only happens when the connection was idle for a while, so thtat the server disconnects meanwhile. Not sure if it matters if I choose yes or no. Unfortunately, the server I was working against is quite flakey (yahoo); sometimes it disconnects quickly, sometimes not.

I wan't able to reproduce the problem. Can you try to describe into more details when you are doing, step by step.
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Martin Prikryl
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