I have been up for a while trying to track down an annoying bug.
Basically what happens is *sometimes* certain files which are not to going
through mason are put through the autohandler. This cause HTTP headers to
sometimes appear in plain html pages as well as images not to load
correctly.
First:
I am using mason 1.13 with apache Apache/1.3.26 and perl 5.8.0.
Second:
apache is configured to call mason on all .JS and .htm files in a certain
directory. Like so:
<Directory /var/www/apache/mason/>
<FilesMatch "\.(htm|JS)$">
DefaultType text/html
SetHandler perl-script
PerlHandler MyMason::MyApp
</FilesMatch>
Options FollowSymLinks
</Directory>
Third: I have now successfully replicated this "off and on" bug by
creating a page test.html which has a tag: <META HTTP-EQUIV="Refresh"
CONTENT="1; URL=/test.html">. So this page continuously loads itself over
and over. I have also disabled cache in my browser to make sure it does.
Fourth: Eventually after displaying the page successfully a few dozen
times I got a page which had a cut off autohandler from that directory
(missing the first few lines), with an HTTP header on the bottom. It
looked like this:
----start view source----------------
th="0" marginheight="0">
<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0>
<TR>
<TD><IMG SRC="/images2/header/header2_01.gif" WIDTH=150
HEIGHT=61 alt="lil car"></TD>
<TD><IMG SRC="/images2/header/header2_02.gif" WIDTH=449
HEIGHT=61 alt="Welcome to our site"></TD>
<TD><IMG SRC="/images2/header/header2_03.gif" WIDTH=141
HEIGHT=61 alt="Remember 9-11"></TD>
</TR>
<TR>
<TD COLSPAN=3><IMG SRC="/images2/header/header2_04.gif"
WIDTH=740 HEIGHT=18 alt="Guide to Shopping Online"></TD>
</TR>
</TABLE>
<table border="0" width="750" cellspacing="10" cellpadding="0">
<tr>
<td valign="top" align="center" colspan="3">
<br><span style="FONT-FAMILY: Verdana, Arial, Helvetica;
FONT-SIZE:B 8pt"><img src="/images/gr_line.gif" WIDTH="700" HEIGHT="12"
alt="ln"><br>
<font color="#000000">[DISCLAIMER TEXT]</font></span></td>
</tr>
</table>
</body>
</html>
HTTP/1.1 304 Not Modified
Date: Thu, 26 Sep 2002 06:18:24 GMT
Server: Apache/1.3.26 (Unix) PHP/4.2.3 mod_perl/1.27
Connection: Keep-Alive
Keep-Alive: timeout=15, max=37
ETag: "1ff06b-1ac-3d92a58d"
---------------------------end view source-----------------------
Mason should not be touching this page at all as it is .html! And it
doesn;t 90% of the time, yet every now and then it seems to mess up
these regular files. I think i have it configured properly and it may be
apaches fault that mason is misbehaving? Please ohh please help me with
this problem.
Thanks
-roman
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