<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.2802" name=GENERATOR></HEAD>
<BODY>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>Every so often after
developing and deploying some material on my OpenCms installation (6.0.4 on
Linux, with Tomcat 5.5.15 and JDK 1.5 update 6), visiting a URL in Firefox
(1.5.01 for Win XP) returns an empty page where I'd previously been seeing some
content. Even more oddly:</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>1. When this
happens, from the same machine (and from others) the page still loads normally
when using Internet Explorer, wget or whatever.</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>2. Clearing
the Firefox cache doesn't help. Firefox Tools/Page Info reports a content
length of 0 bytes, but does give an up-to-date modification
date/time.</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>3. FlexCache
isn't caching - or at least, (i) I haven't explicitly invoked it, and certainly
not with any user-agent variations; (ii) the problem still happens after going
to Workplace/Administration/Flex Cache and clearing all entries; (iii) the
problem still happens if I use a Flex cache directive in the URL query string
(thanks, Joe).</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>4. Visiting
the URL using an equivalent IP address rather than the host name doesn't
help.</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>5. Back at the
server, the mod_jk log I'm keeping reports (for the Firefox visits) HTTP/1.1 200
OK responses, but with content length 0. I can't reproduce this from the
server e.g. using wget, because wget retrieves the content without any
problem.</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial size=2>I suppose I'd better
grit my teeth and use IE for a while, but I'd be fascinated to hear from anyone
who thinks they know what's happening!</FONT></SPAN></DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=414074009-14022006><FONT face=Arial
size=2>Jon</FONT></SPAN></DIV></BODY></HTML>