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Mail Archives: cygwin/2006/03/15/01:59:11

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Message-ID: <4417BB2C.7020502@optusnet.com.au>
Date: Wed, 15 Mar 2006 17:58:52 +1100
From: Zhang Xiaogang <xgzhang AT optusnet DOT com DOT au>
Reply-To: xiaogangz AT acm DOT org
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To: cygwin AT cygwin DOT com
Subject: Connection problem when lighttpd on Cygwin, can any one help?
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I used to run a backend fastcgi server on Fedora box with 
lighttpd-1.3.16, and everything was OK.

Recently I installed Cygwin which has lighttpd-1.4.9 included, on
WinXP boxes, and run the same backend server on it. Everything seems 
started normally at the beginning, but when the client (web broswer) 
sents a request to the fastcgi server, the connection from lighttpd to 
the backend broken.

I have sent question to the lighttpd forum, but seems few people 
have expeirence with Cygwin there. So I post it to here, hoping some
one can help. 

=======================================================
At the lighttpd error log, I got:

2006-03-09 17:50:40: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/log.c.75) server started
2006-03-09 17:51:34: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2645) proc: 
0 /cygdrive/g/BackServer/fcgi_socket1-0 1 1 0 5616
2006-03-09 17:51:35: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2645) proc: 
0 /cygdrive/g/BackServer/fcgi_socket1-0 1 1 0 5616
  ...
2006-03-09 17:51:49: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2645) proc: 
0 /cygdrive/g/BackServer/fcgi_socket1-0 1 1 0 5616
2006-03-09 17:51:50: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.1665) connect 
delayed, will continue later:
2006-03-09 17:51:50: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2918) got 
proc: 8 5616 /cygdrive/g/BackServer/fcgi_socket1-0 0 1
2006-03-09 17:51:50: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2986) write 
failed: Broken pipe 32
2006-03-09 17:51:50: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.1471) release 
proc: 8 5616 /cygdrive/g/BackServer/fcgi_socket1-0
2006-03-09 17:51:50: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2645) proc: 
0 /cygdrive/g/BackServer/fcgi_socket1-0 1 1 0 5616
2006-03-09 17:51:51: 
(/home/lapo/packaging/tmp/lighttpd-1.4.9/src/mod_fastcgi.c.2645) proc: 
0 /cygdrive/g/BackServer/fcgi_socket1-0 1 1 0 5616

=======================================================
And at the backend side, where I used Jonpy fcgi server, which was using
a python socket.accept to listen to lighttpd, I got:

Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: 
threading_level = 1
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: Initiated
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: 
Server.run()
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: 
web_server_addrs = None
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: 
excptn[0]==errno.ENOTCONN
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: self._sock: 
fileno=5
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: self._sock: 
sockname='/cygdrive/g/B'
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: before 
_sock.setblocking(1)
Mar 09 17:50:41 INFO BackServer [5616-4587528]: fcgi.Server: before 
select
Mar 09 17:51:50 INFO BackServer [5616-4587528]: fcgi.Server: Before 
accept.
Mar 09 17:51:50 INFO ERROR BackServer [5616-4587528]: fcgi.Server: 
socket.error=(113, 'Software caused connection abort')

Mar 09 17:51:50 INFO BackServer [5616-4587528]: FCGI worker process 
finished
Mar 09 17:51:50 ERROR BackServer [5616-4587528]: (113, 'Software caused 
connection abort')


=======================================================
Compare with the successful running on Fedora with lighttpd-1.3.16, 
where I have the log as the followings:

Lighttpd error log:

2006-03-09 18:53:33: (log.c.73) server started
2006-03-09 18:53:57: (mod_fastcgi.c.2275) proc:  0 
/usr/local/BackServer/fcgi_socket1-0 1 1 0 3572
2006-03-09 18:53:58: (mod_fastcgi.c.2275) proc:  0 
/usr/local/BackServer/fcgi_socket1-0 1 1 0 3572
  ...
2006-03-09 18:54:10: (mod_fastcgi.c.2275) proc:  0 
/usr/local/TileFile/BackServer/fcgi_socket1-0 1 1 0 3572
2006-03-09 18:54:11: (mod_fastcgi.c.1487) connect succeeded:  8
2006-03-09 18:54:11: (mod_fastcgi.c.2485) got proc: 8 3572 
/usr/local/BackServer/fcgi_socket1-0 0 1
2006-03-09 18:54:11: (mod_fastcgi.c.1285) release proc: 8 3572 
/usr/local/BackServer/fcgi_socket1-0
2006-03-09 18:54:11: (mod_fastcgi.c.1487) connect succeeded:  8
2006-03-09 18:54:11: (mod_fastcgi.c.2485) got proc: 8 3572 
/usr/local/BackServer/fcgi_socket1-0 0 1
2006-03-09 18:54:11: (mod_fastcgi.c.2275) proc:  0 
/usr/local/BackServer/fcgi_socket1-0 1 1 1 3572
2006-03-09 18:54:12: (mod_fastcgi.c.1285) release proc: 8 3572 
/usr/local/BackServer/fcgi_socket1-0
2006-03-09 18:54:12: (mod_fastcgi.c.1487) connect succeeded:  8
2006-03-09 18:54:12: (mod_fastcgi.c.2485) got proc: 8 3572 
/usr/local/BackServer/fcgi_socket1-0 0 1
  ...

=======================================================
And at the backend server's log, I got:

Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
threading_level = 1
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
Initiated
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
Server.run()
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
web_server_addrs = None
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
exceptn[0]==errno.ENOTCONN
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
self._sock: fileno=8
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: 
self._sock: sockname=/usr/local/Bac¸ ¡¿án©
Mar 09 18:53:34 INFO BackServer [3572--1209014592]: fcgi.Server: before 
_sock.setblocking(1)
Mar 09 18:54:11 INFO BackServer [3572--1209014592]: fcgi.Server: after 
select
Mar 09 18:54:11 INFO BackServer [3572--1209014592]: fcgi.Server: 
self._sock: fileno=8
Mar 09 18:54:11 INFO BackServer [3572--1209014592]: fcgi.Server: 
self._sock: sockname=/usr/local/Bac¸ ¡¿án©
Mar 09 18:54:11 INFO BackServer [3572--1209014592]: fcgi.Server: Before 
accept.
Mar 09 18:54:11 INFO BackServer [3572--1209014592]: fcgi.Server: 
newsock=<socket object, fd=9, family=2, type=1, protocol=0>, addr=
Mar 09 18:54:11 INFO BackServer [3572--1209014592]: fcgi.Server: 
accepted connection 9 from ''
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Connection:  9 
New connection running
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Connection:  9/ 
1 FCGI_BEGIN_REQUEST: role = 1, flags = 0
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Connection:  9/ 
1 executing request
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
New request running
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
Calling handler
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: Handler Process 
start.
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: 
req=<jon.fcgi.Request object at 0xb79fadec>
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: 
response=<back.myserver.http_jon.Response instance at 0xb79f20ac>
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: Request: GET 
/myserver/login?onLoad=%5Btype%20Function%5D&password=password&email=testuser%40myserver%2Ecom
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: Responded to request 
'login' in 274.25ms
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: dispatch done.
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
Handler finished
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
FCGI_STDOUT: 'Content-Type: application/x-www-form-urlencoded\r\n'
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
FCGI_STDOUT: '\r\n'
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
FCGI_STDOUT: 
'sessionID=5fa4cfe3a002b9052a3ce2127d11064617bfd3d6&error=0'
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
Closed FCGI_STDOUT
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
Sent FCGI_END_REQUEST
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
Closed connection
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Request:  9/  1 
Request complete
Mar 09 18:54:11 INFO BackServer [3572--1214444624]: fcgi.Connection:  9 
EOF received on connection
   ...

============================================================

So, what could be the cause? Thank you in advance.

Xiaogang


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