<datasources-configuration>
    <datasources>
        <datasource>
            <name>MySQL</name>
            <description>My DataSource</description>
            <jndiConfig>
                <name>jdbc/MySQL</name>
            </jndiConfig>
            <definition type="RDBMS">
                <configuration>
                    <url>jdbc:mysql://localhost:3306/db</url>
                    <username>root</username>
                    <password>root</password>
                    <driverClassName>com.mysql.jdbc.Driver</driverClassName>
                    <maxActive>50</maxActive>
                    <maxWait>60000</maxWait>
                    <testOnBorrow>true</testOnBorrow>
                    <validationQuery>SELECT 1</validationQuery>
                    <validationInterval>30000</validationInterval>
                    <defaultAutoCommit>false</defaultAutoCommit>
                </configuration>
            </definition>
        </datasource>
    </datasources>
</datasources-configuration>