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B.3. Oracle

Example B.5. Oracle Local-TX Datasource

<?xml version="1.0" encoding="UTF-8"?>

<!-- ===================================================================== -->
<!--                                                                       -->
<!--  JBoss Server Configuration                                           -->
<!--                                                                       -->
<!-- ===================================================================== -->

<!-- $Id: oracle-ds.xml,v 1.6 2004/09/15 14:37:40 loubyansky Exp $ -->
<!-- ==================================================================== -->
<!--  Datasource config for Oracle originally from Steven Coy             -->
<!-- ==================================================================== -->


<datasources>
  <local-tx-datasource>
    <jndi-name>OracleDS</jndi-name>
    <connection-url>jdbc:oracle:thin:@youroraclehost:1521:yoursid</connection-url>
    <!--
	See on WIKI page below how to use Oracle's thin JDBC driver to connect with enterprise RAC.
    -->
    <!--
	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>x</user-name>
    <password>y</password>
    
    <min-pool-size>5</min-pool-size>
    <max-pool-size>100</max-pool-size>

    <!-- Uses the pingDatabase method to check a connection is still valid before handing it out from the pool -->
    <!--valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleValidConnectionChecker</valid-connection-checker-class-name-->
    <!-- Checks the Oracle error codes and messages for fatal errors -->
    <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>
    <!-- sql to call when connection is created
	 <new-connection-sql>some arbitrary sql</new-connection-sql>
    -->

    <!-- sql to call on an existing pooled connection when it is obtained from pool - the OracleValidConnectionChecker is prefered
	 <check-valid-connection-sql>some arbitrary sql</check-valid-connection-sql>
    -->

    <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) -->
    <metadata>
      <type-mapping>Oracle9i</type-mapping>
    </metadata>
  </local-tx-datasource>

</datasources>
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Example B.6. Oracle XA Datasource

<?xml version="1.0" encoding="UTF-8"?>

<!-- ===================================================================== -->
<!--                                                                       -->
<!--  JBoss Server Configuration                                           -->
<!--                                                                       -->
<!-- ===================================================================== -->

<!-- $Id: oracle-xa-ds.xml,v 1.13 2004/09/15 14:37:40 loubyansky Exp $ -->

<!-- ===================================================================== -->
<!-- ATTENTION:  DO NOT FORGET TO SET Pad=true IN transaction-service.xml  -->
<!-- ===================================================================== -->

<datasources>
  <xa-datasource>
    <jndi-name>XAOracleDS</jndi-name>
    <track-connection-by-tx></track-connection-by-tx>
    <isSameRM-override-value>false</isSameRM-override-value>
    <xa-datasource-class>oracle.jdbc.xa.client.OracleXADataSource</xa-datasource-class>
    <xa-datasource-property name="URL">jdbc:oracle:oci8:@tc</xa-datasource-property>
    <xa-datasource-property name="User">scott</xa-datasource-property>
    <xa-datasource-property name="Password">tiger</xa-datasource-property>
    <!-- Uses the pingDatabase method to check a connection is still valid before handing it out from the pool -->
    <!--valid-connection-checker-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleValidConnectionChecker</valid-connection-checker-class-name-->
    <!-- Checks the Oracle error codes and messages for fatal errors -->
    <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>
    <!-- Oracles XA datasource cannot reuse a connection outside a transaction once enlisted in a global transaction and vice-versa -->
    <no-tx-separate-pools></no-tx-separate-pools>

    <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) -->
    <metadata>
      <type-mapping>Oracle9i</type-mapping>
    </metadata>
  </xa-datasource>

  <mbean code="org.jboss.resource.adapter.jdbc.vendor.OracleXAExceptionFormatter" 
         name="jboss.jca:service=OracleXAExceptionFormatter">
    <depends optional-attribute-name="TransactionManagerService">jboss:service=TransactionManager</depends>
  </mbean>

</datasources>
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Example B.7. Oracle's Thin JDBC Driver with Enterprise RAC

The extra configuration to use Oracle's Thin JDBC driver to connect with Enterprise RAC involves the <connection-url>. The two hostnames provide load balancing and failover to the underlying physical database. 
...
<connection-url>jdbc:oracle:thin:@(description=(address_list=(load_balance=on)(failover=on)(address=(protocol=tcp)(host=xxxxhost1)(port=1521))(address=(protocol=tcp)(host=xxxxhost2)(port=1521)))(connect_data=(service_name=xxxxsid)(failover_mode=(type=select)(method=basic))))</connection-url>
...
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Note

This example has only been tested against Oracle 10g.

B.3.1. Changes in Oracle 10g JDBC Driver
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It is no longer necessary to enable the Pad option in your jboss-service.xml file. Further, you no longer need the <no-tx-separate-pool/>.
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