struts-sandbox/struts2/apps/mailreader-ibatis/src/main/resources/sql-map-config.xml

<!DOCTYPE sqlMapConfig PUBLIC
        "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"
        "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">

<sqlMapConfig>

    <properties resource="sql/sql-map-config-hsql.properties"/>

    <settings cacheModelsEnabled="true" enhancementEnabled="false"
              maxSessions="64" maxTransactions="8" maxRequests="128"/>

    <transactionManager type="JDBC">
        <dataSource type="SIMPLE">
            <property value="${driver}" name="JDBC.Driver"/>
            <property value="${url}" name="JDBC.ConnectionURL"/>
            <property value="${username}" name="JDBC.Username"/>
            <property value="${password}" name="JDBC.Password"/>
            <property value="15" name="Pool.MaximumActiveConnections"/>
            <property value="15" name="Pool.MaximumIdleConnections"/>
            <property value="1000" name="Pool.MaximumWait"/>
        </dataSource>
    </transactionManager>

    <sqlMap resource="sql/sql-map.xml"/>
</sqlMapConfig>