Connecting error with OJDBC8 with DevTest 10.0 version

Document ID : KB000117978
Last Modified Date : 22/10/2018
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We are currently using DevTest 10.0 version and the connecting database version has been upgraded last week, which need ojdbc8 jar. So, we replaced ojdbc7.jar to ojdbc.8 jar in /lib folder , but we are not able to connect to registry and all other components are down. Servers are working perfectly fine with previous version of Database and ojdbc7.jar.

Start Workstation and connect to Registry and get error:
Connection to the registry database cannot be established. Please make sure the database is running and the credentials used to connect to the database is valid.    
The new driver had not been updated on the Workstation.
Needed to also have the OJBC8 jar replace the ojdbc7 jar on the MAC Workstation, then error was resolved.