Not able to invoke abstract webservice

Summary

getting error while tryin to add ess abstract connection in integration

Content

Hi All, 

I have a requirement to invoke ESS job through OICS, for that i have created a connection with below soap webservice and uploaed attached wsdl.

when im trying to add the connection in integration, im facing error, can someone help me.

WS: https://ejni-dev1.fa.em2.oraclecloud.com:443/ess/esswebservice?WSDL=ESSWebServiceAbstract.wsdl

Error: abstract wsdl based connection cannot be used for outbound operation action - verify that wsdl used has atleast one binding reachable end point outbond calls

Regards,

Sudheer.