Thanks Rainer. I have thought about both server name and port issues
and I can't see where they might be part of the problem. I may try on
my own development PC to see if I can replicate the issue.
On the host server a localhost/MyApp generates the same broken
link/image issue as the full mydomain/MyApp URL. I tried them both on
the server itself because I was worried that a firewall/DNS issue might
be getting in the way. But both localhost/MyApp and myDomain/MyApp
display the same behavior. Going to localhost:8080/MyApp renders fine
also MyDomain:8080/MyApp renders fine on the host server. If you want
to actually see the broken version go to altusschools.k12.ok.us/ASAAP
using http and see the problem. A working version would be (www.)
asaap.com/asaap3/ASAAP. I assume you can figure out the correct URLs for
http (sorry I have to munge them to get past the spam filtering).
In the "broken" version, the application is installed at ROOT with the
following context in web.xml:
<servlet>
<servlet-name>AsaapServlet</servlet-name>
<servlet-class>com.valadd.asaap.selfserve.AsaapServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>AsaapServlet</servlet-name>
<url-pattern>/ASAAP</url-pattern>
</servlet-mapping>
I am using JKMount /ASAAP asaap3w in Apache
Thanks for the ideas and the help. I can't make immediate changes to
the Apache instance and bounce it because the server is in production
and I have a very limited "testing" window late in the evening.
Pete
Rainer Jung wrote:
On 19.02.2009 15:24, Pete Helgren wrote:
It does resolve to h t t p : // w w w . a c o r r e c t d o m a i n n a
m e . c o m /images/bg_hdr_logo.gif
I would post the real link if the firewall allowed 8080 traffic through
because then you could see the difference between the 'domain
reference'/images/bg_hdr_logo.gif and the 'domain
reference':8080/images/bg_hdr_logo.gif. The 8080 URL displays fine. The
one at :80 displays nothing but a missing image.
OK, I can now see the original image link. What was the original page
URL, that you were calling in your browser? Originally you wrote about
/MyApp, but below you write about having it deployed as the ROOT
context, so your JkMount would be something like
JkMount /* myappw
Was the page retrieved via the URL
h t t p : // w w w . a c o r r e c t d o m a i n n a m e . c o m /
or via a different URL?
mod_jk automatically forwards server name and port used to contact
httpd to the Tomcat connector, and when the webapp asks tomcat how it
got contacted it will answer with the originl httpd data. That's what
one wants for a reverse proxy, and what's build in into the AJP
protocol used between httpd and Tomcat with mod_jk.
You can overwrite this automatic game by setting proxy-Attributes on
the AJP connector, but that's very unusual and should only be used, if
for instance there is yet another reverse proxy in front of your httpd
and thus the httpd/mod_jk already do not know the correct host name,
port and protocol.
The Tomcat application is installed at ROOT so tonight I may try
installing it at a different context and change the JKMount point and
see if that makes a difference. I do have an identical application
installed on a different server using Tomcat and Apache at a different
context and behind ISA server and it works fine. I am just trying to get
to the bottom of why this particular application instance installed at
ROOT on Tomcat is responding OK and rendering OK at :8080/MyApp but
through AJP it has no images at :80/MyApp.
Try rethinking: do you have a server name problem, a port problem or a
context path problem. I had the impression you had either a server
name or a port problem. Then the ROOT context will not help.
Regards,
Rainer
Pete
Rainer Jung wrote:
On 19.02.2009 05:35, Pete Helgren wrote:
What do the URL's look like? Here is an example. If I right click and
get the properties on the "missing" image, I see this (well I'd add a
more "real" looking URL but the this mailing list has rejected my
last 9
attempts as spam...):
MyDomain/images/bg_hdr_logo.gif and the image does NOT display.
What is MyDomain? Some placeholder you chose instead of showing us the
real value, or is it actually sying "MyDomain"?
If so, where does that come from? The config you showed us doesn't
contain a glimpse of "MyDomain".
The actual source from that page <view source> shows this:
<td valign="top" class="body12"><img src="images/bg_hdr_logo.gif"
width="254" height="132" border="0"></td>
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