OAF Deployment in Oracle EBS R 12.2.X
Oracle has introduced adcgnjar utile for the deployments which helps to create customall.jar file in $JAVA_TOP. This jar file will picked and executed by the application server.
Place required OAF CO/VO/EO files in $JAVA_TOP respective folder.
Run adcgnjar utile package which is available in $AD_TOP.
Add the entry for customall.jar in the ebsProduct Manifest.xm file
Bounce the mid-tier server
For more information refer - Meg Note 1609939.1