I am getting this error from the server.log
java.lang.ClassCastException: oracle.jdbc.OracleDriver
at com.sun.gjc.spi.DSManagedConnectionFactory.createManagedConnection(DSManagedCon nectionFactory.java:83)
at com.sun.enterprise.connectors.ConnectorConnectionPoolAdminServiceImpl.getUnpool edConnection(ConnectorConnectionPoolAdminServiceImpl.java:1200)
at com.sun.enterprise.connectors.ConnectorConnectionPoolAdminServiceImpl.testConne ctionPool(ConnectorConnectionPoolAdminServiceImpl.java:543)
at com.sun.enterprise.connectors.ConnectorRuntime.testConnectionPool(ConnectorRunt ime.java:502)
at com.sun.enterprise.admin.mbeans.ResourcesMBean.pingConnectionPool(ResourcesMBea n.java:2218)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja va:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:353 )
at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:336 )
at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:448 )
at com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke(DynamicMetaDataImpl.java:213 )
at com.sun.jmx.mbeanserver.MetaDataImpl.invoke(MetaDataImpl.java:220)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServer Interceptor.java:815)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja va:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:77)
at $Proxy1.invoke(Unknown Source)
at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterce ptor.java:297)
at com.sun.enterprise.tools.admingui.util.MBeanUtil.invoke(MBeanUtil.java:162)
at com.sun.enterprise.tools.admingui.util.MBeanUtil.invoke(MBeanUtil.java:60)
at com.sun.enterprise.tools.admingui.handlers.CommonHandlers.invokeMBean(CommonHan dlers.java:149)
at sun.reflect.GeneratedMethodAccessor104.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.ja va:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.sun.enterprise.tools.guiframework.view.DescriptorViewHelper.invokeHandler(D escriptorViewHelper.java:938)
at com.sun.enterprise.tools.guiframework.view.DescriptorViewHelper.invokeHandlers( DescriptorViewHelper.java:875)
at com.sun.enterprise.tools.guiframework.view.DescriptorViewHelper.dispatchEvent(D escriptorViewHelper.java:841)
at com.sun.enterprise.tools.guiframework.view.DescriptorViewHelper.execute(Descrip torViewHelper.java:313)
at com.sun.enterprise.tools.guiframework.view.DescriptorViewBeanBase.execute(Descr iptorViewBeanBase.java:210)
at com.iplanet.jato.view.RequestHandlingViewBase.handleRequest(RequestHandlingView Base.java:308)
at com.iplanet.jato.view.ViewBeanBase.dispatchInvocation(ViewBeanBase.java:802)
at com.iplanet.jato.view.ViewBeanBase.invokeRequestHandlerInternal(ViewBeanBase.ja va:740)
at com.iplanet.jato.view.ViewBeanBase.invokeRequestHandlerInternal(ViewBeanBase.ja va:760)
at com.iplanet.jato.view.ViewBeanBase.invokeRequestHandler(ViewBeanBase.java:571)
at com.iplanet.jato.ApplicationServletBase.dispatchRequest(ApplicationServletBase. java:957)
at com.iplanet.jato.ApplicationServletBase.processRequest(ApplicationServletBase.j ava:615)
at com.sun.enterprise.tools.guiframework.view.BaseServlet.processRequest(BaseServl et.java:204)
at com.iplanet.jato.ApplicationServletBase.doPost(ApplicationServletBase.java:473)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilte rChain.java:397)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java: 278)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextVal ve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java: 179)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java: 120)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:13 7)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorT ask.java:667)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(Proces sorTask.java:574)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.ja va:844)
at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask .java:287)
at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212)
at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75)
|#]
1) Can you post the connection pool configuration.
2)From the stack trace it seems that, data-source class name specified is incorrect.
"java.lang.ClassCastException: oracle.jdbc.OracleDriver"
It has to be something like
"oracle.jdbc.pool.OracleDataSource"
3)Please refer the following URL for conn.pool configuration against different database/ drivers.
http://docs.sun.com/app/docs/doc/819-2556/6n4rap8sl?a=view
For Oracle type 4 thin driver :
http://docs.sun.com/app/docs/doc/819-2556/6n4rap8sl?a=view#beanh
Thanks,
-Jagadish