in apache

Listen 0.0.0.0:6666
<VirtualHost *:6666>
ManagerBalancerName mycluster
ServerAdvertise On http://XXX.XXX.XXX.XXX:6666
AdvertiseFrequency 5
AllowDisplay On
EnableMCPMReceive
</VirtualHost>

ProxyPassMatch ^/apps/websocket/ ws://10.77.1.150:8080
ProxyPassReverse /apps/websocket/ http://xxxxxxxx/apps/websocket/

<LocationMatch ^/apps/((?!websocket).*)$>
#ProxyPass ajp://XXX.XXX.XXX.XXX:8009
ProxyPass balancer://mycluster
</LocationMatch>

if you get LocationMatch and replace balancer for ajp its work, but with balancer every time it try to get from balancer ignoring my ProxyPassMatch.
But with ajp or removing mod_cluster and use mod_balancer its work ultil with balancer://mycluster.

I think that is something in core of mod_cluster