Kerberos authentication between Java application hosted in Netweaver 7.5 and Oracle database 19c - authentication

We have a Java application that is hosted in SAP Portal NW 7.5 which connects to Oracle DB through Custom JDBC datasource maintained in NWA.
Now our requirements is to include Kerberos authentication for connection between SAP Portal NW 7.5 and Oracle DB from Portal.
Kindly share your best practice approach and documents,OSS (if any) to achieve the requirements.
AD integration requirement
Regards,
Bharanidharan

Can you take a look at the instructions present in JDBC developer's guide?

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I have to implements a single sign on procedure between 2 web applications.
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I'm working on SAP Adapters in IBM Mobilefirst. I have connected to SAP System by using SAP Netweaver Adapter and I'm trying add SAP as a Backend Service but it is failing to fetch the services.
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You did not provide any useful information in the question, such as steps to reproduce.
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Oracle WebLogic Portal, formerly BEA WebLogic Portal, is the best-of-breed portal framework for creating highly interactive composite applications in a SOA environment...
It is now an Oracle product, since Oracle bought BEA Systems quite a while ago.