resin에서 만들어진 시스템을 tomcat 으로 바꾸려고하는데

<resource-ref>
<res-ref-name>jdbc/test</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<init-param driver-name="com.caucho.jdbc.mysql.Driver"/>
<init-param url="jdbc:mysql_caucho://localhost:3306/test"/>
<init-param user=""/>
<init-param password=""/>
<init-param max-connections="20"/>
<init-param max-idle-time="30"/>
</resource-ref>

<!-- Zeropage Common Database Pool -->
<resource-ref>
<res-ref-name>jdbc/zeropage</res-ref-name>
<res-type>javax.sql.DataSource</res-type>
<init-param driver-name="org.gjt.mm.mysql.Driver"/>
<init-param url="jdbc:mysql://localhost:3306/zeropage?useUnicode=true&characterEncoding=KSC5601"/>
<init-param user="XXX"/>
<init-param password="YYY"/>
<init-param max-connections="20"/>
<init-param enable-transaction="false"/>
</resource-ref>

/* get database resource */
Connection conn = null;
Statement stmt = null;

try {
Context env = ( Context )( new InitialContext().lookup( "java:comp/env" ) );
DataSource source = ( DataSource )( env.lookup( "jdbc/zeropage" ) );
conn = source.getConnection();
ResultSet rs = null;
String title = null;
String content = null;
int depth = 0;
int length = 0;