Error using ibatis

[Namdev Shenoy K]

Hi,   I am trying with an example Download rr_lesson_ibatis.zip  from the site http://www.reumann.net/struts/ibatisLesson1.do    I did all the instruction given in the lesson.  The only change is that i'm  connecting to Oracle Database I added the following line in server.xml     <Context path="/rr_lesson_ibatis" docBase="rr_lesson_ibatis" debug="0" reloadable="true" crossContext="true">     <Resource name="lessonIbatisDatasource" auth="Container" type="javax.sql.DataSource"/>     <ResourceParams name="lessonIbatisDatasource">         <parameter>             <name>password</name>             <value>******</value>         </parameter>         <parameter>             <name>url</name>             <value>jdbc:oracle:thin:@localhost:1521:UPS</value>         </parameter>         <parameter>             <name>driverClassName</name>             <value>oracle.jdbc.OracleDriver</value>         </parameter>         <parameter>             <name>username</name>             <value>*****</value>         </parameter>         <parameter>             <name>factory</name>             <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>         </parameter>         <parameter>             <name>maxIdle</name>             <value>1</value>         </parameter>         <parameter>             <name>maxActive</name>             <value>3</value>         </parameter>         <parameter>             <name>maxWait</name>             <value>5000</value>         </parameter>         <parameter>             <name>removeAbandoned</name>             <value>true</value>         </parameter>         <parameter>             <name>removeAbandonedTimeout</name>             <value>20</value>         </parameter>     </ResourceParams> </Context>   I'm using classes12.jar   I get the following error :( while  the tomcat server is started   DEBUG [main] (BaseDAO.java:26) - sqlMap = [EMAIL PROTECTED] net.reumann.DaoException: org.apache.commons.dbcp.SQLNestedException: Cannot create JDBC driver of class '' for connect URL 'null'   Help required :(   Thanks Shenoy   SPAN Systems Corporation, Bangalore. "Steering Progress, Together" ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- This email message and any attachments is confidential and intended only for the use of an individual or entity named above and may contain information that is privileged, confidential or exempt from disclosure under applicable law. If you are not the intended recipient, you are notified that any dissemination, distribution or copying of this email is strictly prohibited. If you have received this email in error, please notify us immediately by return email or [EMAIL PROTECTED] and destroy the original message. Opinions, conclusions, and other information in this message that do not relate to the official business of SPAN, shall be understood to be neither given nor endorsed by SPAN.