Exception while starting RAD Server connecting to Db2

Hi - I am using RAD Server 6 and Type 4 driver for Db2.
However when i start my server, i get the following error:
********************************************************************
11/30/07 20:27:44:301 IST] 0000001d ServletWrappe A SRVE0242I: [action]: Initialization successful.
[11/30/07 20:27:44:332 IST] 0000001d ServletWrappe A SRVE0242I: [SecureCleanup]: Initialization successful.
[11/30/07 20:27:44:348 IST] 0000001d VirtualHost I SRVE0250I: Web Module adminconsole has been bound to admin_host[*:9060,*:9043].
[11/30/07 20:27:44:379 IST] 0000001d WebGroup A SRVE0169I: Loading Web Module: adminconsole redirector.
[11/30/07 20:27:44:504 IST] 0000001d VirtualHost I SRVE0250I: Web Module adminconsole redirector has been bound to admin_host[*:9060,*:9043].
[11/30/07 20:27:44:614 IST] 0000001d ApplicationMg A WSVR0221I: Application started: adminconsole
[11/30/07 20:27:44:848 IST] 0000000a TCPChannel A TCPC0001I: TCP Channel TCP_1 is listening on host * (IPv4) port 9060.
[11/30/07 20:27:45:036 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain WCInboundAdmin.
[11/30/07 20:27:45:051 IST] 0000000a TCPChannel A TCPC0001I: TCP Channel TCP_2 is listening on host * (IPv4) port 9080.
[11/30/07 20:27:45:098 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain WCInboundDefault.
[11/30/07 20:27:45:223 IST] 0000000a TCPChannel A TCPC0001I: TCP Channel TCP_3 is listening on host * (IPv4) port 9043.
[11/30/07 20:27:45:239 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain WCInboundAdminSecure.
[11/30/07 20:27:45:254 IST] 0000000a TCPChannel A TCPC0001I: TCP Channel TCP_4 is listening on host * (IPv4) port 9443.
[11/30/07 20:27:45:286 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain WCInboundDefaultSecure.
[11/30/07 20:27:45:379 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain SOAPAcceptorChain1.
[11/30/07 20:27:45:395 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain SOAPAcceptorChain2.
[11/30/07 20:27:45:395 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain SOAPAcceptorChain3.
[11/30/07 20:27:45:457 IST] 0000000a WSChannelFram A CHFW0019I: The Transport Channel Service has started chain SOAPAcceptorChain4.
[11/30/07 20:27:45:457 IST] 0000001a SchedulerServ I SCHD0077I: The Scheduler Service is starting the Schedulers.
[11/30/07 20:27:45:473 IST] 0000001a SchedulerServ I SCHD0078I: The Scheduler Service has completed starting the Schedulers.
[11/30/07 20:27:45:629 IST] 0000000a RMIConnectorC A ADMC0026I: The RMI Connector is available at port 2809
[11/30/07 20:27:45:848 IST] 00000020 WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
[11/30/07 20:27:48:504 IST] 0000000a WsServerImpl A WSVR0001I: Server server1 open for e-business
[11/30/07 20:27:50:332 IST] 00000014 WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
[11/30/07 20:27:51:395 IST] 00000013 WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
[11/30/07 20:27:52:457 IST] 00000033 ServletWrappe A SRVE0242I: [transfer]: Initialization successful.
[11/30/07 20:27:53:020 IST] 00000033 WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
[11/30/07 20:28:06:957 IST] 00000033 WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
[12/3/07 9:15:51:152 IST] 00000059 WorkSpaceMana A WKSP0023I: Workspace configuration consistency check is enabled.
ionAction.execute(DataSourceCollectionAction.java:273)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:275)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1486)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:528)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:80)
at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1657)
at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:421)
at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:367)
at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)
at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)

[11/30/07 19:57:39:317 IST] 00000036 SystemErr R at com.ibm.ws.rsadapter.DSConfigurationHelper.testConnectionForGUI(DSConfigurationHelper.java:2156)
[11/30/07 19:57:39:317 IST] 00000036 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[11/30/07 19:57:39:317 IST] 00000036 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
[11/30/07 19:57:39:317 IST] 00000036 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
[11/30/07 19:57:39:317 IST] 00000036 SystemErr R at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))
[11/30/07 19:57:39:317 IST] 00000036 SystemErr R at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.management.DataSourceConfigHelperMBean.testConnectionToDataSource2(DataSourceConfigHelperMBean.java:528)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.management.DataSourceConfigHelperMBean.testConnection(DataSourceConfigHelperMBean.java:456)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java(Compiled Code))
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at java.lang.reflect.Method.invoke(Method.java(Compiled Code))
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1366)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:1012)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.interceptor.InvokerMBeanServerInterceptor.invoke(InvokerMBeanServerInterceptor.java:233)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:128)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.interceptor.SecurityMBeanServerInterceptor.invoke(SecurityMBeanServerInterceptor.java:86)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:128)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:128)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.interceptor.ContextClassLoaderMBeanServerInterceptor.invoke(ContextClassLoaderMBeanServerInterceptor.java:167)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at mx4j.server.MX4JMBeanServer.invoke(MX4JMBeanServer.java:1249)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:901)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java(Compiled Code))
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:817)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.console.core.mbean.ResourceMBeanHelper.testConnection(ResourceMBeanHelper.java:217)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.console.resources.jdbc.DataSourceCollectionAction.execute(DataSourceCollectionAction.java:273)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:275)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1486)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:528)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1212)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:629)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:80)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1657)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:77)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:421)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:367)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:94)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:548)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:601)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:934)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1021)
[11/30/07 19:57:39:332 IST] 00000036 SystemErr R at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1332)