The GridLink data source is a new type of data source that has been available in WebLogic Server since Version 10.3.4. The GridLink is used to connect to Oracle RAC databases and is a recommended alternative to the multi data sources since it provides some useful features, such as fast connection failover, runtime connection load balancing, graceful handling of Oracle RAC outages, GridLink affinity, and SCAN addresses.
DBApp application requirement from the earlier recipe will be used, but in this recipe a GridLink data source will be used instead of a multi data source.
Consider that the
DBApp application requires an XA connection with a JNDI name
jdbc/ds-GridLinkXA to a database. The database is an Oracle ...