<New id="users" class="org.eclipse.jetty.plus.jndi.Resource">
    <Arg>jdbc/users</Arg>
    <Arg>
      <New class="org.apache.tomcat.jdbc.pool.DataSource">
        <Set name="driverClassName">com.mysql.jdbc.Driver</Set>
        <Set name="url">"jdbc:mysql://localhost/redback"</Set>
        <Set name="user">USER</Set>
        <Set name="password">PASS</Set>
        <Set name="initialSize">15</Set>
        <!-- depends on your concurrent users numbers -->
        <Set name="maxActive">30</Set>
        <Set name="maxWait">10000</Set>
        <Set name="removeAbandoned">true</Set>
        <Set name="logAbandoned">true</Set>
        <Set name="removeAbandonedTimeout">10000</Set>
        <Set name="testOnBorrow">true</Set>
        <!-- very rigourous sql query validation -->
        <Set name="validationQuery">select 1</Set>
      </New>
    </Arg>
  </New>

  <New id="usersShutdown" class="org.eclipse.jetty.plus.jndi.Resource">
    <Arg>jdbc/usersShutdown</Arg>
    <Arg>
      <New class="org.apache.tomcat.jdbc.pool.DataSource">
        <Set name="driverClassName">com.mysql.jdbc.Driver</Set>
        <Set name="url">"jdbc:mysql://localhost/redback"</Set>
        <Set name="user">USER</Set>
        <Set name="password">PASS</Set>
        <Set name="shutdownDatabase">shutdown</Set>
      </New>
    </Arg>
  </New>