In the below examples, the following are used:
OHS name is 'ohs1'
reports managed server host1 - host1.example.com
reports managed server host2 - host2.example.com
reports managed server port1 - 9001
reports managed server port2 - 9002
Once OHS is created create a file like below with contents given below:
DOMAIN_HOME/config/fmwconfig/components/OHS/instances/ohs1/moduleconf/reports_ohs.conf
Restart OHS
#mod_weblogic related entry
#<IfModule mod_weblogic.c>
<Location /reports>
SetHandler weblogic-handler
WebLogicCluster host1.example.com:9001,host2.example.com:9002
</Location>
#</IfModule>
#mod_weblogic related entry
#<IfModule mod_weblogic.c>
<Location /reports>
SetHandler weblogic-handler
WebLogicHost host1.example.com
WebLogicPort 9001
</Location>
#</IfModule>