Resolve [ons-connect] Passive connection 127.0.0.1,6100 missing connect

If you are receving continuous “[ons-connect] Passive connection 127.0.0.1,6101 missing connect” error in opmn.log, you probably have port conflict.

This usually happens when you have Oracle SOA Suite and Oracle database installed on the same machine.
The ports in ons.conf is conflicting with the ports in opmn.xml. Follow the steps below to resolve this issue.