Here's an update---I'm even more confused.
I shut down the Tomcat server being proxied. If I then restart Apache,
it will serve my staticpages.example.com site just fine---for a few
minutes. Then it stops accepting requests, with nothing in the error
logs. Nothing in the access logs. Nothing in any of the logs. It's as if
Apache isn't there, except that my requests time out rather than being
rejected (which would happen if Apache weren't running.) If I reboot
Apache, it works for about five minutes and then stops responding again.
My SSL sites still work fine, but nothing going to my static pages do
anything. What can be happening that won't even put an error in the log?
Garret
Garret Wilson wrote:
I have a very strange problem that I can't resolve.
I have Apache 2.0.54 running on Red Hat. Apache is serving the
following sites:
* http://staticpages.example.com - Simple static XHTML pages.
* http://jsp.example.com - JSP pages running via proxy on port 9000 on
Tomcat 5.5.9 (JDK 1.5.0_04).
* http://servlet.example.com - Servlets running via proxy on port 9100
on Tomcat 5.5.9 (JDK 1.5.0_04).
* https://dav.example.com - A WebDAV site accessed via SSL.
* https://svn.example.com - A Subversion site accessed via SSL.
Periodically the port 80 sites will stop responding. No errors will be
in error_log. There will be no record in access_log of my attempts to
access the site.
The other sites will still work fine. I can access the secure WebDAV
site through Apache with no problem. I can access the JSP pages on
Tomcat directly like this:
http://jsp.example.com:9000
But the connection will time out when trying to access either the
static pages on Apache or the proxied Tomcat site via Apache, and no
trace of the request can be found in the log files.
What is causing this strange problem? I'll be happy to provide more
info, if you need it.
Sincerely,
Garret
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