But my data source connection every thing is fine.plz help me
The error is
WSVR0209E: Unable to prepare
EJB jar appadmin.jar [class com.ibm.ws.runtime.component.DeployedModuleImpl], enterprise bean com.ibm.etools.ejb.impl.ContainerManagedEntityImpl(Fevtrmmast) (isReentrant: false) java.lang.IllegalArgumentException: null password with user:'administrator' - Please check configuration panels for datasource, ejb module, and ejb, as well as application code. at com.ibm.ejs.cm.pool.ConnectionPool.allocateConnection(ConnectionPool.java:732) at com.ibm.ejs.cm.pool.ConnectionPool.getConnection(ConnectionPool.java:339) at com.ibm.ejs.cm.DataSourceImpl$1.run(DataSourceImpl.java:150) at java.security.AccessController.doPrivileged(Native Method) at com.ibm.ejs.cm.DataSourceImpl.getConnection(DataSourceImpl.java:148) at com.ibm.ejs.persistence.EJSJDBCPersister.initialize(EJSJDBCPersister.java:410) at com.ibm.ejs.persistence.EJSJDBCPersister.create(EJSJDBCPersister.java:188) at com.ibm.ws.cpi.JDBCPersisterFactoryImpl.create(JDBCPersisterFactoryImpl.java:102) at com.ibm.ejs.container.BeanMetaData.completeInitialization(BeanMetaData.java:1169) at com.ibm.ws.runtime.component.EJBContainerImpl.createBeanMetaData(EJBContainerImpl.java:929) at com.ibm.ws.runtime.component.EJBContainerImpl.createModuleMetaData(EJBContainerImpl.java:755) at com.ibm.ws.runtime.component.EJBContainerImpl.createMetaData(EJBContainerImpl.java:1465) at com.ibm.ws.runtime.component.MetaDataMgrImpl.createFactoryMetaData(MetaDataMgrImpl.java:115) at com.ibm.ws.runtime.component.MetaDataMgrImpl.createMetaData(MetaDataMgrImpl.java:159) at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:333) at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:531) at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:254) at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:458) at java.lang.reflect.Method.invoke(Native Method) at com.tivoli.jmx.modelmbean.MMBInvoker.invoke(MMBInvoker.java:46) at com.tivoli.jmx.modelmbean.MMBInvoker.invokeOperation(MMBInvoker.java:115) at com.tivoli.jmx.modelmbean.DynamicModelMBeanSupport.invoke(DynamicModelMBeanSupport.java:409) at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:323) at com.tivoli.jmx.GenericMBeanSupport.invoke(GenericMBeanSupport.java:178) at com.tivoli.jmx.MBeanAccess.invoke(MBeanAccess.java:113) at com.tivoli.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:290) at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:655) at com.ibm.ws.console.core.mbean.MBeanHelper.invoke(MBeanHelper.java:137) at com.ibm.ws.console.appdeployment.ApplicationDeploymentCollectionAction.perform(ApplicationDeploymentCollectionAction.java:239) at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1791) at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586) at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510) at javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doService(StrictServletInstance.java:110) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._service(StrictLifecycleServlet.java:174) at com.ibm.ws.webcontainer.servlet.IdleServletState.service(StrictLifecycleServlet.java:313) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.service(StrictLifecycleServlet.java:116) at com.ibm.ws.webcontainer.servlet.ServletInstance.service(ServletInstance.java:258) at com.ibm.ws.webcontainer.servlet.ValidServletReferenceState.dispatch(ValidServletReferenceState.java:42) at com.ibm.ws.webcontainer.servlet.ServletInstanceReference.dispatch(ServletInstanceReference.java:40) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.handleWebAppDispatch(WebAppRequestDispatcher.java:872) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.dispatch(WebAppRequestDispatcher.java:491) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:173) at com.ibm.ws.webcontainer.srt.WebAppInvoker.doForward(WebAppInvoker.java:79) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker.java:199) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(CachedInvocation.java:71) at com.ibm.ws.webcontainer.cache.invocation.CacheableInvocationContext.invoke(CacheableInvocationContext.java:114) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletRequestProcessor.java:187) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListener.java:331) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.java:56) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:432) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:343) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:592)