I just installed JBCS Core services Apache 2.4.51.
Am running a web server fronting backened EAP 7.4.6 servers (2) and
using mod_cluster on webservers to manage failover and availability.

Keep getting this error message on starting webserver which of course fails to start.

Cannot load
/apps/testBed/jbcs-httpd24-2.4/httpd/modules/mod_proxy_cluster.so
undefined symbol: proxy_run_check_trans

The exact conf file works perfectly fine with 2.4.37.
The relevant module loads in httpd.conf:
LoadModule proxy_ajp_module /apps/testBed/jbcs-httpd24-2.4/httpd/modules/mod_proxy_ajp.so
LoadModule cluster_slotmem_module /apps/testBed/jbcs-httpd24-2.4/httpd/modules/mod_cluster_slotmem.so
LoadModule manager_module /apps/testBed/jbcs-httpd24-2.4/httpd/modules/mod_manager.so
LoadModule proxy_cluster_module /apps/testBed/jbcs-httpd24-2.4/httpd/modules/mod_proxy_cluster.so
LoadModule advertise_module /apps/testBed/jbcs-httpd24-2.4/httpd/modules/mod_advertise.so

Any help would be appreciated.