Apache HTTPD mod_cluster Requests Fail With 403 Forbidden Response

Issue

• Any idea why I got error.log below on jboss apache web server?

  [Wed Feb 25 14:59:13.264361 2026] [authz_core:error] [pid 63009:tid 63105] [client 123.123.123.123:12345] AH01630: client denied by server configuration: /
  [Wed Feb 25 14:59:13.264467 2026] [authz_core:error] [pid 63009:tid 63105] [client 123.123.123.123:12345] AH01630: client denied by server configuration: proxy:balancer://mycluster/.noindex.html
  

• mod_cluster MCPM requests from JBoss EAP/Tomcat are failing due to HTTP 403 response from Apache HTTPD:

  ### Apache HTTPD access_log
  123.123.123.123 - - [04/Oct/2017:15:47:17 -0400] "INFO / HTTP/1.1" 403 - "-" "ClusterListener/1.0"
  
  ### Apache HTTPD error_log:
  [:debug] [pid 15167] mod_manager.c(2338): manager_trans INFO (/)
  [authz_core:debug] [pid 15167] mod_authz_core.c(809): [client 123.123.123.123:12345] AH01626: authorization result of Require ip 123.123.123.123: granted
  [authz_core:debug] [pid 15167] mod_authz_core.c(809): [client 123.123.123.123:12345] AH01626: authorization result of <RequireAny>: granted
  [core:error] [pid 15167] (13)Permission denied: [client 123.123.123.123:12345] AH00035: access to /index.html denied (filesystem path '/opt/jbcs-httpd24-2.4/httpd') because search permissions are missing on a component of the path
  [core:error] [pid 15167] (13)Permission denied: [client 123.123.123.123:12345] AH00035: access to /index.html.var denied (filesystem path '/opt/jbcs-httpd24-2.4/httpd') because search permissions are missing on a component of the path
  [core:error] [pid 15167] (13)Permission denied: [client 123.123.123.123:12345] AH00035: access to /.noindex.html denied (filesystem path '/opt/jbcs-httpd24-2.4/httpd') because search permissions are missing on a component of the path 
  
  ### JBoss EAP server.log:
  15:48:17,283 ERROR [org.jboss.modcluster] (UndertowEventHandlerAdapter - 1) MODCLUSTER000042: Error null sending INFO command to localhost/111.111.111.111:6666, configuration will be reset: null