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From "Bob Wyatt" <>
Subject 'Black' Icons and Intermittent Page not Found
Date Thu, 22 Jun 2006 21:25:20 GMT
Our web application has a search feature that can be activated by pressing
the F2 key in Internet Explorer, or by clicking a small (978 bytes) gif
image file of a magnifying glass in our myapp/images directory.

This directory is populated with 45 gif image files, the largest being 144
KB, the smallest being 69 bytes, and the median being about 8 KB.


Occasionally, this search icon does not display; I'll get a black box for
several (10 - 15) seconds, then the image 'paints' in small spurts.

Even rarer are cases where we will click upon an action that should bring up
a new page, but after 60 seconds or so, we get the dreaded 'Page Not Found'
(PNF) message.

Whenever we get it, we have to disconnect and reconnect to the webapp; we do
not reboot the PC or close Internet Explorer. We just go to GOOGLE or MSN,
and when it has loaded, we go back to the webapp.


It seems that the faster the operator is, the more frequently the image
issue arises; about 3 times a day. The PNF occurs about twice a week.

There are no more than 6 users running the webapp when these all occur; this
is occurring on a development system.


Are there any diagnostic or logging activities in Tomcat that I can enable
to try to catch the culprit?

It does not appear to be a networking issue, as other connections to other
systems or the internet appear unaffected.


This is Tomcat 5.0.28 on AIX 5.2.





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