Hi,
For 12.2.1 ADF Essentials
installed Glassfish 4.1 server with jdk1.8.0_91. and after changed max perm size to512m in console
And at the time of creating datasource
Resources->JDBC->JDBC Connection Pools getting error

- Chosen the resource type to be javax.sql.XADataSource
- Chosen Oracle as the Database Driver vendor.