error finding property from the backing bean

hi ,

i'm new to jsf . i'm using RAD . i have a jsf page in which i'm trying to access a property of the backiing bean using the binding attribute . But when i run the program it gives an error stating that the property is not found in the bean .

this is the error i receive .

javax.faces.el.EvaluationException: Error getting property 'finalValue' from bean of type com.axa.wts.allocation.mbean.AllocationMBean: java.lang.NullPointerException

at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:186)

at com.sun.faces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:137)

at javax.faces.component.UIComponentBase.isRendered(UIComponentBase.java:343)

at javax.faces.webapp.UIComponentTag.isSuppressed(UIComponentTag.java:826)

at javax.faces.webapp.UIComponentTag.doStartTag(UIComponentTag.java:458)

at com.sun.faces.taglib.html_basic.OutputTextTag.doStartTag(OutputTextTag.java:184)

at com.ibm._jsp._imageallotment._jspx_meth_h_outputText_3(_imageallotment.java:322)

at com.ibm._jsp._imageallotment._jspx_meth_hx_panelGrid_0(_imageallotment.java:398)

at com.ibm._jsp._imageallotment._jspx_meth_h_form_0(_imageallotment.java:427)

at com.ibm._jsp._imageallotment._jspx_meth_f_view_0(_imageallotment.java:458)

at com.ibm._jsp._imageallotment._jspService(_imageallotment.java:89)

at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:88)

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.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:117)

at com.ibm.ws.jsp.webcontainerext.JSPExtensionServletWrapper.handleRequest(JSPExtensionServletWrapper.java:171)

at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:250)

at com.ibm.faces.context.MultipartExternalContextImpl.dispatch(MultipartExternalContextImpl.java:320)

at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:249)

at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)

at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:201)

at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:118)

at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)

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.webapp.WebApp.handleRequest(WebApp.java:2837)

at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:220)

at com.ibm.ws.webcontainer.VirtualHost.handleRequest(VirtualHost.java:204)

at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1681)

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.HttpInboundLink.ready(HttpInboundLink.java:276)

at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:201)

at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:103)

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)

kindly help

[4188 byte] By [akhilsyala] at [2007-10-2 12:35:23]
# 1
Can you post the appropriate JSP code and the Java code from your backing bean?CowKing
IamCowKinga at 2007-7-13 9:35:42 > top of Java-index,Enterprise & Remote Computing,Web Tier APIs...