This blog explains about how and where to add the entries in OHS in order to configure any Custom application specific context root related entries in order to access the applications which are deployed in Weblogic console
Locate the mod_wl_ohs.conf file in your OHS directory
Example : /Box/admin/box_hostname/config/OHS/ohs1
/dkxx40/admin/dkxx40_fmohskend0xx/config/OHS/ohs1
open mod_wl_ohs.conf file and add the below entry into it
#fmPortal domain
<Location /fmportal>
SetHandler weblogic-handler
WebLogicHost fmohskend031.oracleoutsourcing.com
WeblogicPort 44716
</Location>
fmPortal - Context root of an application
WebLogicHost : host name
WeblogicPort : Port Name
Stop and Start OHS server in order to take effective these changes.