Here are a couple of the possible OCI configurations.
For more information, see http://otn.oracle.com/docs/products/oracle9i/doc_library/release2/java.920/a96654/toc.htm
<connection-url>jdbc:oracle:oci:@youroracle-tns-name</connection-url>
or
<connection-url>jdbc:oracle:oci:@(description=(address=(host=youroraclehost)(protocol=tcp)(port=1521))(connect_data=(SERVICE_NAME=yourservicename)))</connection-url>
Clearly, its better to have TNS set up properly.
-->
<driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
<user-name>qddba</user-name>
<password>zwjhba</password>
<exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>
<max-pool-size>5</max-pool-size>
<min-pool-size>1</min-pool-size>
</local-tx-datasource>