Intermittent "No such file" message

I have a baffling situation occurring on a web server running IIS
(Windows Server 2003). There is one particular page which sometimes
generates errors trying to execute a particular 'require' statement.
The file which is being included contains a simple banner and is
included at the head of every page on our site. Yet the 'require'
statement sometimes fails with this message:

Error in D:\inetpub\wwwroot\conferences\default.php
On line 12, error #2, in D:\inetpub\wwwroot\conferences\default.php:
"require(../apr03ban.html) [ href='function.require'>function.require]: failed to open stream: No
such file or directory"

The error always occurs in this file, default.php, and not in any other.

Further, analysis of the errors reveals the following pattern. In every
case, one of the following is true:

A) The user agent contains one of the following patterns:

Googlebot/2.1; +http://www.google.com/bot.html
Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp
msnbot/1.0 (+http://search.msn.com/msnbot.htm)
CazoodleBot Crawler; http://www.cazoodle.com/cazoodlebot
psbot/0.1 (+http://www.picsearch.com/bot.html)

or,

B) The referrer looks like one of these:

http://search.msn.com/results.aspx?q=seton+homeschool&FORM=M SNH
http://search.msn.com/results.asp?FORM=sCPN&RS=CHECKED&un=do c&v=1&q=homeschool%20conference
http://search.live.com/results.aspx?q=catholic+homeschooling &first=11&FORM=PERE

As you can see, there is a definite pattern here. The error is not
occuring purely at random. However, this brings me no closer to a solution.

Does anyone have any ideas for possible explanations, or for what kinds
of tests I could do to track down the cause of the problem? Thanks.

--

Thank you,

Lewis Kapell
Computer Operations
Seton Home Study School

--
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RE: Intermittent "No such file" message

Lewis,
3 questions for you:

1. Have you checked and made sure that you can open all of the files
(including the files you are receiving errors for) in your browser. Verify
the file permissions for your webserver (I believe Network Service or
USR_MACHINENAME for IIS).

2. Are you sure that your web server host file is not configured to
limit access to certain users or IP addresses in some way, or is your
firewall blocking a specific IP address range?

3. Are you sure that the file is in the correct path to be loaded from
default.php?

Tom Hearn
Software Engineer
/n Software


-----Original Message-----
From: Lewis Kapell [mailto:lkapell@setonhome.org]
Sent: Wednesday, October 31, 2007 3:30 PM
To: php-windows@lists.php.net
Subject: [PHP-WIN] Intermittent "No such file" message

I have a baffling situation occurring on a web server running IIS
(Windows Server 2003). There is one particular page which sometimes
generates errors trying to execute a particular 'require' statement.
The file which is being included contains a simple banner and is
included at the head of every page on our site. Yet the 'require'
statement sometimes fails with this message:

Error in D:\inetpub\wwwroot\conferences\default.php
On line 12, error #2, in D:\inetpub\wwwroot\conferences\default.php:
"require(../apr03ban.html) [ href='function.require'>function.require]: failed to open stream: No
such file or directory"

The error always occurs in this file, default.php, and not in any other.

Further, analysis of the errors reveals the following pattern. In every
case, one of the following is true:

A) The user agent contains one of the following patterns:

Googlebot/2.1; +http://www.google.com/bot.html
Yahoo! Slurp; http://help.yahoo.com/help/us/ysearch/slurp
msnbot/1.0 (+http://search.msn.com/msnbot.htm)
CazoodleBot Crawler; http://www.cazoodle.com/cazoodlebot
psbot/0.1 (+http://www.picsearch.com/bot.html)

or,

B) The referrer looks like one of these:

http://search.msn.com/results.aspx?q=seton+homeschool&FORM=M SNH
http://search.msn.com/results.asp?FORM=sCPN&RS=CHECKED&un=do c&v=1&q=homescho
ol%20conference
http://search.live.com/results.aspx?q=catholic+homeschooling &first=11&FORM=P
ERE

As you can see, there is a definite pattern here. The error is not
occuring purely at random. However, this brings me no closer to a solution.

Does anyone have any ideas for possible explanations, or for what kinds
of tests I could do to track down the cause of the problem? Thanks.

--

Thank you,

Lewis Kapell
Computer Operations
Seton Home Study School

--
PHP Windows Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

--
PHP Windows Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php