Enter mydomain (custom domain name) -Service-JDBC- connection pool in the left menu, and click "Configure a new JDBC connection pool ..." Data type selection: Oracle.

Database driver selection: Oracle driver (thin) version: 9.0. 1, 0.2.0, 10 Click "Continue" in the lower right corner.

In Name, write the name of the connection pool you want to set (mpcConnection in this case). Database Name: the name of the database to be accessed.

Host Name: The default port number of the host name or IP address written to the database server is 152 1.

Fill in the database user name and password as appropriate, and click "Continue".

Click Test Driver Configuration on the next page to display Connection Successful, and then click Create and Deploy.

The configuration items of mpcConnection appear in the list on the new page. Connection pooling is already configured. 2. Configure JDBC data source.

On the left menu of the management console, enter mydomain -service-JDBC-data source in turn.

Click Configure New JDBC Data Source.

Write the name of the data source to be configured (mpcConnection in this case) in Name, and the name of the access (mpc/ora9 in this case) in JNDI Name, and then click Continue.

Select mpcConnection in the buffer pool name, and then click Continue and Create.

The mpcConnection configuration item appears in the list. The data source is already configured.