Bug 66015 - Health check from load balancer to apache throwing 404 error
Summary: Health check from load balancer to apache throwing 404 error
Status: RESOLVED INVALID
Alias: None
Product: Apache httpd-2
Classification: Unclassified
Component: mod_proxy_hcheck (show other bugs)
Version: 2.4.48
Hardware: PC All
: P2 normal (vote)
Target Milestone: ---
Assignee: Apache HTTPD Bugs Mailing List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-04-18 12:04 UTC by VINAY S
Modified: 2022-04-19 12:45 UTC (History)
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Description VINAY S 2022-04-18 12:04:56 UTC 
Hi Team,

Recently we have upgraded from Jboss EAP to Wildfly 21.x. During our testing
The load balancer connected to apache server 2.4.48 was throwing 404 for healthcheck

134.85.11*.** - - [14/Apr/2022:00:32:41 -0500] "HEAD /healthcheck.html HTTP/1.0" 404 -
134.85.11*.** - - [14/Apr/2022:00:32:41 -0500] "HEAD /healthcheck.html HTTP/1.0" 404 -
134.85.11*.** - - [14/Apr/2022:00:32:51 -0500] "HEAD /healthcheck.html HTTP/1.0" 404 -
134.85.11*.** - - [14/Apr/2022:00:32:51 -0500] "HEAD /healthcheck.html HTTP/1.0" 404 -
134.85.11*.** - - [14/Apr/2022:00:33:01 -0500] "HEAD /healthcheck.html HTTP/1.0" 404

Can you please guide/suggest on how to fix or move forward on this?
Comment 1 Eric Covener 2022-04-18 12:07:05 UTC 
Does /healthcheck.html work for you from a browser? Is anything recorded in the error log?
Comment 2 VINAY S 2022-04-19 12:37:49 UTC 
Hi Eric,

Yes, when the apache is connected to jboss app server it is success.But when we tried connecting from wildlfy, it was throwing 404  - Page not found from the browser
Comment 3 Eric Covener 2022-04-19 12:45:57 UTC 
It is unclear if you mean "to wildfly" when you say "from wildfly".
Perhaps you started or stopped forwarding /healthcheck.html at the time you switched application servers.

There is no bug to report here. You'll have to work through how you expect /healthcheck.html to be served and what you've changed somewhere like https://httpd.apache.org/userslist.html