abstract metohd error

[Oussama Ktiri <o_...@hotmail.com>]

 Hi,
I downloaded the latest version of struts, I am trying to get a JDBC example
work, the driver is alright..but I get this error
I am using mysql and tomcat

java.lang.AbstractMethodError
 at org.apache.struts.util.GenericConnection.(GenericConnection.java:118)
 at
org.apache.struts.util.GenericDataSource.createConnection(GenericDataSource.
java:623)
 at
org.apache.struts.util.GenericDataSource.getConnection(GenericDataSource.jav
a:417)
 at
com.husted.coreservlets.jdbc.FruitCreationAction.perform(FruitCreationAction
.java:107)
 at
org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.ja
va:1618)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1428)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:463)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
 at org.apache.tomcat.core.Handler.service(Handler.java:286)
 at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
 at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:79
7)
 at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
 at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpC
onnectionHandler.java:210)
 at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
 at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
 at java.lang.Thread.run(Thread.java:484)
does anyone has an idea what this may be about