Accessing facade bean in ADF Faces managed bean
Hello
I am trying to display data from a database on a page using ADF Faces. I am using a Web Application [JSF, EJB] template in JDeveloper with the model project using JPA entities with a session facade bean to manage the entities (as described here: http://www.oracle.com/technology/obe/obe1013jdev/10131/ejb_and_jpa/master-detail_pagewith_ejb.htm ).
What I have tried to do is to set up a managed session bean in the ViewController project that is referenced by a faces page. The managed bean is supposed to, on creation, load data from the database into managed properties which are then displayed on the faces page using EL references. I want all JPA management to go through the facade, and thus I want to inject the facade bean into the managed bean using @EJB notation. However, the injection does not work, and all I get is a NullPointerException when trying to access the injected facade in the managed bean.
I have also tried instantiating the facade bean in the managed bean's constructor manually, but when I try to call a method on the facade, I get another NullPointerException, this time from the entity manager which obviously is not injected into the facade bean.
What is strange is that the facade bean works perfectly when I use the datacontrols generated from the facade bean, as described in the tutorial (no exception from the entity manager).
I have searched high and low for a solution to this, and from what I can read, it should be possible to do what I want (see for example https://blueprints.dev.java.net/bpcatalog/ee5/persistence/ejbfacade.html and http://luxlog.wordpress.com/2007/12/15/basic-example-web-app-with-glassfish-netbeans-60-jsf-and-ejb3/ ). I found someone mentioning that dependency injection in the web container OC4J was added after a given version, and that web.xml needs to be upgraded to version 2.5, which I have done but did not solve anything.
Is this not possible in JDeveloper/OC4J at all? Is there any other way to access the facade session bean in managed beans?
Hi,
for resource injection you need JDeveloper 11. Here the EJB annotation works to inject the resource. If you want to do similar in 10.1.3 then you need to do a JNI lookup in the managed bean (under the shelves ADF does the same)
Frank
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SuhailJust answering my own question. The answer was given in a different thread (http://forum.java.sun.com/thread.jsp?forum=427&thread=427057&message=1901909#1901909) . JSF has provided various Factories (look at the FactoryFinder API) that allow one I presume to access the internal state of a FacesContext. One of the factory is ApplicationFactory. This factory from what I can make out essentially gives you access to everything (actionlisteners, navigationhanlder,components etc) in you application. My original question was about accessing something (for some reason) named ValueBinding. I can access the managed beans declared in my faces-config.xml by invoking getValue(facesContext). I can naturally also set the value of a bean by invoking setValue(...). I just needed the getValue and it seems to work.
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package view.managedBeans;
import classification.bean.ClassificationDocument;
import classification.castor.ClassificationLanguage;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Locale;
import javax.faces.context.FacesContext;
import javax.faces.el.ValueBinding;
import javax.faces.model.SelectItem;
import oracle.adf.model.generic.DCGenericDataControl;
import org.exolab.castor.xml.MarshalException;
import org.exolab.castor.xml.ValidationException;
public class ClassificationLanguageList {
private java.util.List<SelectItem> supportedLanguages = new ArrayList();
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MarshalException,
ValidationException {
FacesContext ctx = FacesContext.getCurrentInstance();
ValueBinding vb = ctx.getApplication().createValueBinding("#{data.ClassificationDocumentDataControl}");
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language.setLabel(classificationLanguage[counter].getClassificationLanguageLabel());
supportedLanguages.add(language);
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After reading one of BlausC article:
http://balusc.blogspot.com/2006/06/communication-in-jsf.html#AccessingAnotherManagedBean
I always get null when I try to get a reference to a session scoped managed bean from a current bean:
Here is part of the faces context config file:
<faces-config>
<managed-bean>
<managed-bean-name>approvalManagementBean</managed-bean-name>
<managed-bean-class>com.waseel.waseele.presentation.approval.management.ApprovalManagementBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
<managed-property>
<property-name>configService</property-name>
<property-class>com.waseel.waseele.business.config.ConfigService</property-class>
<value>#{configService}</value>
</managed-property>
<managed-property>
<property-name>approvalService</property-name>
<property-class>com.waseel.waseele.business.approval.ApprovalService</property-class>
<value>#{approvalService}</value>
</managed-property>
<managed-property>
<property-name>claimManagementService</property-name>
<property-class>com.waseel.waseele.business.claim.management.ClaimManagementService</property-class>
<value>#{claimManagementService}</value>
</managed-property>
<managed-property>
<property-name>codedValuesLoaderServices</property-name>
<property-class>com.waseel.waseele.business.claim.extraction.loader.codedValuesLoader.CodedValuesLoaderServices</property-class>
<value>#{codedValue}</value>
</managed-property>
<managed-property>
<property-name>approvalSubmission</property-name>
<property-class>com.waseel.waseele.business.approval.submission.ApprovalSubmission</property-class>
<value>#{approvalSubmission}</value>
</managed-property>
<managed-property>
<property-name>payerTpaRelationService</property-name>
<property-class>com.waseel.waseele.business.payerTpaRelation.PayerTpaRelationService</property-class>
<value>#{payerTpaRelationService}</value>
</managed-property>
<managed-property>
<property-name>payerTpaFiller</property-name>
<property-class>com.waseel.waseele.business.payerTpaRelation.PayerTpaFiller</property-class>
<value>#{payerTpaFiller}</value>
</managed-property>
</managed-bean>and part of my code:
public String displayApprovalInEditMode()throws Exception{
//This is cross-managed been access; I need to get the current Approval in the approval management been
ApprovalManagementBean appMangBean=(ApprovalManagementBean) FacesContext.getCurrentInstance()
.getExternalContext().getSessionMap().get("approvalManagementBean");What possible problems may be?
Can any one tell when these session managed beans object get created? is it at start up? or when loading a JSF page that use a bean ?
becasue this code work in places while not in anotherYou must be doing something wrong. I cannot reproduce this problem with the following SSCCE on JSF 1.2_13 at Tomcat 6.0.20.
Bean1package mypackage;
public class Bean1 {
private Bean2 bean2;
public boolean isBean2Present() {
return bean2 != null;
public Bean2 getBean2() {
return bean2;
public void setBean2(Bean2 bean2) {
this.bean2 = bean2;
}Bean2package mypackage;
public class Bean2 {
}JSF<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<f:view>
<html>
<head>
<title>Test</title>
</head>
<body>
<h:outputText value="Is bean2 present? #{bean1.bean2Present ? 'yes' : 'no'}" />
</body>
</html>
</f:view>faces-config<?xml version="1.0" encoding="UTF-8"?>
<faces-config xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_1_2.xsd"
version="1.2">
<managed-bean>
<managed-bean-name>bean1</managed-bean-name>
<managed-bean-class>mypackage.Bean1</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
<managed-property>
<property-name>bean2</property-name>
<value>#{bean2}</value>
</managed-property>
</managed-bean>
<managed-bean>
<managed-bean-name>bean2</managed-bean-name>
<managed-bean-class>mypackage.Bean2</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>
</faces-config>It prints 'yes'. -
Managed bean inheritance best practice
Hi!
I'm new to JSF so I would like to apologize if my question is trivial, but I haven't been able to find proper solution.
I'm using JSF 1.2 on WAS CE. I have a page where user can search for some entities, both person and company, which share some data, but have some different properties. Both inherit from entity class, so search results are displayed in dataTable as base entity objects. Each dataTable row has commandLink which should navigate user to specific (person or company) page for editing data. For example, if user clicks on commandLink in person data row, I would like to show personEdit page with all data set to components. I understand that I can use action to set navigation to proper page, and I have done so (following action() method). I have implemented EntityBean, PersonBean and CompanyBean:
public class EntityBean {
protected Entity entity;
public int getId() {
return entity.getId();
public void setId(int id) {
entity.setId(id);
public String action() {
// Some code which defines return value for action invoking.
public void edit(ActionEvent event) {
// Get entity data for edit.
public class PersonBean extends EntityBean {
public String getFirstName() {
return ((Person)entity).getFirstName();
public class CompanyBean extends EntityBean {
public String getName() {
return ((Company)entity).getName();
}I tried combining action with actionListener method (+edit(ActionEvent event)+ method) invoked from commandLink, but if it is invoked on mapped entityBean, I get only entity properties set on any other page which is shown after invoked action. If method is invoked on i.e. personBean (same method, not overriden), I get NullPointerException for trying to access property for base entityBean.
How should I invoke proper data initialization for bean shown on another page?
Thanks in advance.Thank you for your quick reply. Beside the code for managed bean classes, here's the rest of the code for this specific problem.
In faces-config.xml I have the following configuration:
<managed-bean>
<managed-bean-name>entitySearchBean</managed-bean-name>
<managed-bean-class>entities.EntitySearchBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
<managed-bean>
<managed-bean-name>personBean</managed-bean-name>
<managed-bean-class>entities.PersonBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
<managed-bean>
<managed-bean-name>entityBean</managed-bean-name>
<managed-bean-class>legalentities.EntityBean</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>On my JSP, I have a dataTable loaded with entityBean objects, and the following code for showing editPage:
<h:column>
<h:commandLink id="editLink" action="#{entitySearchBean.editEntity}" actionListener="#{entityBean.edit}">
<h:outputText value="#{bundle.edit}" />
<f:param id="editId" name="editId" value="#{entity.id}" />
</h:commandLink>
</h:column>
</h:dataTable>So, what I'm trying to do is to call entityBean.edit which should initialize EntityBean with entity data, and it sets i.e. person data to entity field of EntityBean class. I also call editEntity method on EntitySearchBean class (bean used just for searching entities with some criteria), and pass id property of selected entity in dataTable.
What I'm expecting is to get personEdit.jsp with loaded personBean data initialized from actionListener on searchPage.jsp. Is it possible or is there some other way to do this? -
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I am getting the following script error...
Can't move the focus to the control because it is invisible or not enabled or of the type that does not accept the focus...
I have a button whose action is mapped to a function in the Managed bean.
In the managed bean
I am making the button Invisible along with some other components.
Can any one help me out....@BalusC
You were proposing the following solution in other thread..
<html>
<head>
</head>
<body>
<f:verbatim>
<script>
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</f:verbatim>
</body>
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Managed bean returns null on SetActionListener
Hi,
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I have created a request-scoped bean in adfc-config.xml (called 'ecnStatusBean'), with a managed property (named 'Status'). I am referencing it from my SetActionListener: setting #{'E'} to #{requestScope.ecnStatusBean.Status}. The reference compiles fine in the Expression Builder (it didn't before I created the managed bean), but when running and clicking the CommandLink with the SetActionListener, I get a runtime error:
oracle.security.jazn.JAZNRuntimeException: Target Unreachable, 'ecnStatusBean' returned null
at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:480)
To make things more interesting, I tried changing the scope to session, and got a different error:
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at oracle.adfinternal.controller.util.Utils.createAndLogFacesException(Utils.java:169)
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BorisAre you sure about the reference you use here: #{requestScope.ecnStatusBean.Status}.
Here is a simple sample of what works for me:
The first page has this:
<af:form binding="#{backing_start.form1}" id="form1">
<af:inputText label="Label 1" binding="#{backing_start.inputText1}"
id="inputText1"/>
<af:commandButton text="commandButton 1"
binding="#{backing_start.commandButton1}"
id="commandButton1" action="go">
<af:setActionListener from="#{backing_start.inputText1.value}"
to="#{backing_start.paramToPass}"/>
</af:commandButton>
</af:form>It references a bean that has this:
private RichInputText inputText1;
public void setInputText1(RichInputText inputText1) {
this.inputText1 = inputText1;
public RichInputText getInputText1() {
return inputText1;
public String paramToPass;
public void setParamToPass(String paramToPass) {
this.paramToPass = paramToPass;
public String getParamToPass() {
return paramToPass;
}And then I can see it in the next page that I navigated to like this:
<af:outputText value="the current value is #{backing_start.paramToPass}"/>In the adf-config.xml I have this:
<adfc-config xmlns="http://xmlns.oracle.com/adf/controller" version="1.2">
<view id="start">
<page>/start.jspx</page>
</view>
<view id="end">
<page>/end.jspx</page>
</view>
<control-flow-rule>
<from-activity-id>start</from-activity-id>
<control-flow-case>
<from-outcome>go</from-outcome>
<to-activity-id>end</to-activity-id>
</control-flow-case>
</control-flow-rule>
<managed-bean>
<managed-bean-name>backing_start</managed-bean-name>
<managed-bean-class>backing.backing_start</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
</adfc-config> -
Can't set managed bean property:
Hi,
I am trying to experiment with JSF and I am extending an example I downloaded from the web. When I added a new secret field and extened the bean. I get the following error. I trying to resolve this problem from two days , cant figure out why I get this exception. I tried changed the property name I still get the same error. It is something to do with the bean, I am not sure why its not able to set the property, I know that the get and set methods exist in the class file. Any help would be greatly appreciated . I have pasted the bean file, faces-config.xml, and the inputname.jsp file below. Thanks a lot.
HTTP Status 500 -
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: javax.faces.FacesException: javax.faces.FacesException: Can't set managed bean property: 'word'.
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:430)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:48)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:220)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(ContainerStatsValve.java:76)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
at java.lang.Thread.run(Thread.java:536)
root cause
javax.servlet.ServletException: javax.faces.FacesException: javax.faces.FacesException: Can't set managed bean property: 'word'.
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:531)
at org.apache.jsp.inputname_jsp._jspService(inputname_jsp.java:94)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
at com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
at com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:432)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:356)
at org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:430)
at org.apache.jsp.index_jsp._jspService(index_jsp.java:48)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.jboss.web.tomcat.security.JBossSecurityMgrRealm.invoke(JBossSecurityMgrRealm.java:220)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.jboss.web.tomcat.tc4.statistics.ContainerStatsValve.invoke(ContainerStatsValve.java:76)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2417)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:65)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:577)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:197)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:781)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:549)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:605)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:677)
at java.lang.Thread.run(Thread.java:536)
My JSP file is
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<f:loadBundle basename="demo.bundle.Messages" var="Message"/>
<HTML>
<HEAD> <title>Input Name Page</title> </HEAD>
<body bgcolor="white">
<f:view>
<h1><h:outputText value="#{Message.inputname_header}"/></h1>
<h:messages style="color: red"/>
<h:form id="helloForm" >
<h:outputText value="#{Message.prompt}"/>
<h:inputText id="userName" value="#{GetNameBean.userName}" required="true">
<f:validateLength minimum="2" maximum="10"/>
</h:inputText>
<h:inputSecret id="word" value="#{GetNameBean.word}" required="true">
<f:validateLength minimum="2" maximum="10"/>
</h:inputSecret>
<h:commandButton id="submit" action="sayhello" value="Say Hello" />
</h:form>
</f:view>
</HTML>
My faces-config.xml is as follow
<?xml version="1.0"?>
<!DOCTYPE faces-config PUBLIC
"-//Sun Microsystems, Inc.//DTD JavaServer Faces Config 1.1//EN"
"http://java.sun.com/dtd/web-facesconfig_1_1.dtd">
<faces-config>
<navigation-rule>
<from-view-id>/inputname.jsp</from-view-id>
<navigation-case>
<to-view-id>/greeting.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<managed-bean>
<description>
Input Value Holder
</description>
<managed-bean-name>GetNameBean</managed-bean-name>
<managed-bean-class>demo.GetNameBean</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
<managed-property>
<property-name>userName</property-name>
<property-class>java.lang.String</property-class>
<value></value>
</managed-property>
<managed-property>
<property-name>word</property-name>
<property-class>java.lang.String</property-class>
<value></value>
</managed-property>
</managed-bean>
</faces-config>
My bean file is as follows GetNameBean.java
package demo;
* @author Sergey Smirnov. Exadel, Inc.
public class GetNameBean {
private String userName;
private String word;
* @return User Name
public String getUserName() {
return userName;
* @param User Name
public void setUserName(String name) {
this.userName = name;
* @return Password
public String getWord() {
return word;
* @param Password
public void setWord(String word) {
this.word = word;Hello,
Thanks for the reply. I used Camelcase, but its giving me the same error. I am also posting my bean files and jsp files for your reference.
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: org.apache.jasper.JasperException: javax.faces.FacesException: javax.faces.FacesException: Can't set managed bean property: 'UserName'.
javax.faces.webapp.FacesServlet.service(FacesServlet.java:121)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
root cause
javax.faces.FacesException: org.apache.jasper.JasperException: javax.faces.FacesException: javax.faces.FacesException: Can't set managed bean property: 'UserName'.
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:327)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:147)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:200)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:107)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.20 logs.
LOGIN.JSP file
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<f:view>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<f:verbatim escape="false">
<head>
<title>My JSP 'login.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
</f:verbatim>
<body>
<h:form rendered="true" id="loginform">
<f:verbatim escape="false"><br><br> </f:verbatim>
<h:outputLabel for="userName" rendered="true"></h:outputLabel>
<h:inputText id="userName" required="true" rendered="true" value="#{UserBean.userName}"></h:inputText>
<f:verbatim escape="false"><br> </f:verbatim>
<h:outputLabel for="password" rendered="true"></h:outputLabel>
<h:inputSecret id="password" redisplay="false" required="true" rendered="true" value="#{UserBean.password}"></h:inputSecret>
<h:commandButton id="submit" action="#{UserBean.loginUser}" rendered="true" value=" Submit"></h:commandButton><br><br></h:form>
</body>
</html>
</f:view>
UserBean file
package com.jsfdemo.bean;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
* @author ExterroAdmin
public final class UserBean extends Object
private String password;
private String userName;
public UserBean()
super();
public String getPassword()
return password;
public void setPassword(String password)
this.password = password;
public String getUserName()
return userName;
public void setUserName(String userName)
this.userName = userName;
public String loginUser() {
if("myeclipse".equals(getUserName()) && "myeclipse".equals(getPassword()))
return "success";
FacesContext facesContext = FacesContext.getCurrentInstance();
FacesMessage facesMessage = new FacesMessage(
"You have entered an invalid user name and/or password");
facesContext.addMessage("loginForm", facesMessage);
return "failure";
If you need any more information, please let me know
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