在JBoss下配置mySQL数据源

    唯一的不同，就是配置Oracle数据源时，需要配置修改的文件名是oracle-ds.xml。

    在jboss-4.2.2.GA\server\default\deploy下，新建一个mysql-ds.xml文件 (简便的方法，是从jboss-4.2.2.GA\docs\examples\jca文件夹下复制并修改mysql-ds.xml文件)，大致修改至如下内容：

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

    <!-- $Id: mysql-ds.xml,v 1.3.2.1 2004/12/01 11:46:00 schrouf Exp $ -->

    <!--  Datasource config for MySQL using 3.0.9 available from:

    http://www.mysql.com/downloads/api-jdbc-stable.html

    -->

    <datasources>

      <local-tx-datasource>

        <jndi-name>mySQLtest</jndi-name>

        <connection-url>jdbc:mysql://localhost:3306/test</connection-url>

        <driver-class>com.mysql.jdbc.Driver</driver-class>

        <user-name>root</user-name>

        <password>root</password>

        <min-pool-size>5</min-pool-size>

        <max-pool-size>20</max-pool-size>

        <exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.MySQLExceptionSorter</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

        <check-valid-connection-sql>some arbitrary sql</check-valid-connection-sql>

          -->

        <!-- corresponding type-mapping in the standardjbosscmp-jdbc.xml (optional) -->

        <metadata>

           <type-mapping>mySQL</type-mapping>

        </metadata>

      </local-tx-datasource>

    </datasources>

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

    <!-- $Id: mysql-ds.xml,v 1.3.2.1 2004/12/01 11:46:00 schrouf Exp $ -->

    <!--  Datasource config for MySQL using 3.0.9 available from:

    http://www.mysql.com9 7 3 1 2 4 8 :