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From:	"Harri T." <haba713 AT gmail DOT com>
Subject:	lftp / zlib problems
To:	cygwin AT cygwin DOT com
References:	<announce DOT 8e41ochmvhsc8qeo79akv2s5ol6rrhpi8a AT 4ax DOT com>
Message-ID:	<9d802c85-6b55-60ad-a9f2-b6308045b5c8@gmail.com>
Date:	Mon, 25 Sep 2017 15:55:16 +0300
User-Agent:	Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0
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In-Reply-To:	<announce.8e41ochmvhsc8qeo79akv2s5ol6rrhpi8a@4ax.com>

Hi all,

After updating Cygwin 32-bit we have had problems with all the combinations of lftp 4.7.7.-1 / 4.8.0-1 and zlib 1.2.8-3 / 1.2.11-1.

1. Command "mget -E myfile*" causes "zlib inflate error: incorrect header check" always with Core FTP server 1.2 if there is nothing to retrieve.

lftp myuser AT myip:~> set ftp:ssl-allow 0; set ftp:passive-mode 1;
lftp myuser AT myip:~> mget -E myfile*;
---- Connecting to myip (myip) port 21
<--- 220 Core FTP Server Version 1.2, build 589.2, 64-bit Registered
---> FEAT
<--- 211-Extensions supported
<---   AUTH SSL
<---   MODE Z
<--- 211 END
---> USER myuser
<--- 331 password required for myuser
---> PASS ********
<--- 230-Logged on
<--- 230
---> PWD
<--- 257 "/" is current directory
---> MODE Z
<--- 200 Mode set to Z
---> PASV
<--- 227 Entering Passive Mode (...).
---- Connecting data socket to (myip) port 52951
---- Data connection established
---> LIST
<--- 150 Opening ASCII mode data connection
---- Got EOF on data connection
---- Closing data socket
<--- 226 Transfer Complete
---> PASV
<--- 227 Entering Passive Mode (...).
---- Connecting data socket to (myip) port 52953
---- Data connection established
---> NLST
<--- 150 Opening ASCII mode data connection
**** zlib inflate error: incorrect header check
---- Closing data socket
<--- 226 Transfer Complete
---- Closing control socket
mget: myfile*: Fatal error: zlib inflate error: incorrect header check
lftp myuser AT myip:~> 

2. Sometimes lftp dies with an error message

---> TYPE I
<--- 200 Switching to Binary mode.
mget: myfile*: no files found
---> QUIT
<--- 221 Goodbye.
---- Closing control socket
assertion "ptr(x.heap_index)==&x" faSKiled: file "/home/ASchulma/dev/cygwin/lftp/lftp-4.8.0-1.i686/src/lftp-4.8.0/src/xheap.h", line 127, function: void xheap<T>::remove(xheap<T>::node&) [with T = Timer]

generating a stackdump file.

Is there something we can do to avoid these issues?

Br,

Harri



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