PageLoad in JSF.

Hi Friends,
If I need to write a set up method in each of my page, where I do some page load things. can you please let me know the best possible way to do in JSF using backing bean. (Not using java script, want to avoid that.)
And I am using WASD 5.1.2 as development tool for JSF.
Thanks in advance.

I'm getting "NullPointer exception" with following code. Any help would be appreciated!
I'm using WSAD 5.1
Error:
Caused by: java.lang.NullPointerException
     at pagecode.InvestmentDetail.onPageLoadBegin(InvestmentDetail.java:41)
Jsp Page:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%-- jsf:codeBehind language="java" location="/JavaSource/pagecode/InvestmentDetail.java" --%><%-- /jsf:codeBehind --%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<%@ taglib uri="http://struts.apache.org/tags-faces" prefix="s"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://www.ibm.com/jsf/html_extended" prefix="hx" %>
<f:view>
<HTML>
<HEAD>
<%@ page
language="java"
contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"
%>
<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<META name="GENERATOR" content="IBM WebSphere Studio">
<META http-equiv="Content-Style-Type" content="text/css">
<LINK href="theme/Styles.css" rel="stylesheet" type="text/css">
<TITLE>Investment Detail</TITLE>
     </HEAD>
     <s:form action="/InboxDisplay">
          <hx:scriptCollector id="scriptCollector1" preRender="#{pc_InvestmentDetail.onPageLoadBegin}" decode="#{pc_InvestmentDetail.onPagePost}">
          <h:outputText id="text1" ></h:outputText>
          </hx:scriptCollector>
     </s:form>
</HTML>
</f:view>
InvestmentDetail.java CODE:
public class InvestmentDetail extends PageCodeBase {
     protected HtmlScriptCollector scriptCollector1;
     protected HtmlOutputText text1;
     protected HtmlScriptCollector getScriptCollector1() {
          if (scriptCollector1 == null) {
               scriptCollector1 =
                    (HtmlScriptCollector) findComponentInRoot("scriptCollector1");
          return scriptCollector1;
     protected HtmlOutputText getText1(javax.faces.context.FacesContext f) {
          if (text1 == null) {
               text1 = (HtmlOutputText) findComponentInRoot("text1");
          return text1;
     public void onPageLoadBegin(FacesContext facescontext) {
          if (text1 == null) {
                         text1 = (HtmlOutputText) findComponentInRoot("text1");
          text1.setValue("Page Loaded!");
     public void onPagePost(FacesContext facescontext) {
          text1.setValue("Page is postback!");
Thanks!

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<icc:TestCC manager="#{viewScope.PatientClinicalBean.helloTest}"/>
The page crashes at my composite tag with the following message in the console:
javax.el.ELException: //C:/Documents and Settings/tlam/Application Data/JDeveloper/system11.1.2.3.39.62.76.1/o.j2ee/drs/iCHIP/ViewControllerWebApp.war/WEB-INF/classes/META-INF/resources/IchipComponent/TestCC.xhtml: javax.el.PropertyNotFoundException: //C:/Documents and Settings/tlam/Application Data/JDeveloper/system11.1.2.3.39.62.76.1/o.j2ee/drs/iCHIP/ViewControllerWebApp.war/Patient/Profile/Clinical.jsff @13,86 manager="#{viewScope.PatientClinicalBean.helloTest}": The class 'patient.profile.PatientClinicalBean' does not have the property 'helloTest'.
But my managed bean does have a public String helloTest() method, as well as other methods that work fine elsewhere in my JSFF page:
public class PatientClinicalBean{
String test = "TESTING";
public String helloTest() {
return test;
I have tried this many times with different methods, all with the same result. Yet if my composite component outputs just a string and I enter the expression <icc:TestCC manager="#{viewScope.PatientClinicalBean.test}"/> to access the String test field directly it executes properly. I can't seem to reference any of the methods in PatientClinicalBean from only my composite component, when other method calls work fine in the same JSFF page. All other examples I've seen on the web have no problems doing this the same way I have, am I missing something?!
Edited by: tnology on 24-Oct-2012 14:13
Edited by: tnology on 24-Oct-2012 14:14
Edited by: tnology on 24-Oct-2012 14:16

What if you change the method in the class like this?
public String getHelloTest() {
return test;
}If you attempt to read a property call abc from a bean, you need to have a method called getAbc(). If you attempt to set a property called abc, you need to have a method called setAbc(...). This is JavaBeans convention.

I can't view dataTable in JSF

Hi, anyone who can help me with java server faces, i want to put data from a resultset to dataTable, i made everithing but my table is not visible.
My code is:
<?xml version='1.0' encoding='windows-1252'?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.0"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:f="http://java.sun.com/jsf/core">
<jsp:output omit-xml-declaration="true" doctype-root-element="HTML"
doctype-system="http://www.w3.org/TR/html4/loose.dtd"
doctype-public="-//W3C//DTD HTML 4.01 Transitional//EN"/>
<jsp:directive.page contentType="text/html;charset=windows-1252"/>
<f:view>
<html>
<head>
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"/>
<title>Consultas</title>
</head>
<body><h:form binding="#{backing_Consultas.form1}" id="form1">
<h:commandButton value="commandButton1"
binding="#{backing_Consultas.commandButton1}"
id="commandButton1"
action="#{backing_Consultas.commandButton1_action}"/>
</p>
<p>
<h:dataTable border="1" var="#{backing_Consultas.dataTable1}"
id="dataTable1">
<h:column binding="#{backing_Consultas.column1}"/>
<h:column binding="#{backing_Consultas.column2}"/>
<h:column binding="#{backing_Consultas.column3}"/>
<h:column binding="#{backing_Consultas.column4}"/>
</h:dataTable>
</h:form></body>
</html>
</f:view>

</jsp:root>
This es a JSPX page.
Please any idea
thanks
alex

Try to disable the hardware acceleration in the Flash Player.
See [[Cannot view full screen Flash videos]]
Flash "Display settings" window:
* http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html

Not able to drag new data control to my jsf

hi am not able to drag Queriable Attributes into the new query.jsf page and abl to Create it as a Query > ADF Query Panel.
this is what i have done
1.In the Application Navigator locate the adfc-config file under the Page Flows node in the ViewController project. Double-click it to open it in the editor. This is where you are going to define the application's navigation.
2.Drag the DeptEmpPage.jsf file from the Application Navigator into the empty adfc-config diagram.
3.From the Component Palette drag and drop a View component into the adf-config diagram, and rename it query. This represents the new JSF page that you are about to create.
4.From the Component Palette select Control Flow Case and then click on the DeptEmpPage and drag a line to the query page.
Name this line goQuery.
5.From the Component Palette choose another Control Flow Case and then create an opposite flow from the query page to the DeptEmpPage. Name this flow back.
6.Double-click the query view in the diagram to create the new page. In the Create JSF Page dialog accept the default Facelets radio button, and with the Quick Start Layout radio button selected, click Browse.
7.In the Component Gallery, retain the default One Column category, type and layout, but check the Apply Themes checkbox in the Options pane.
Click OK and OK again to create the page.
8.To add the employees search functionality to the page, open the Data Controls accordion, and locate EmpDetails1. (If you do not see it click the Refresh button).
am not able to Select All Queriable Attributes and drag it into the new query.jsf page. Create it as a Query > ADF Query Panel.
Edited by: user603350 on 2011/12/06 3:34 PM
Edited by: user603350 on 2011/12/06 3:39 PM

... and this solved the problem ?

Can not upload image of larger size in jsf

i had some issues in file uploading. File uploading is working fine in my local machine and when i am using the www.mywebsite.com:8080/fileUpload.jsf
but i can not upload images by using the following www.mywebsite.com/fileUpload.jsf
Ie: without the port. I am using windows server and tomcat 5.5.27
When i am trying to upload a bigger size image i am getting the following error
I am using jsf(tomahawk)
09:10:47,315 ERROR MultipartRequestWrapper:? - Exception while uploading file.
org.apache.commons.fileupload.FileUploadException: Processing of multipart/form-data request failed. Socket read failed
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:384)
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:268)
at org.apache.myfaces.webapp.filter.MultipartRequestWrapper.parseRequest(MultipartRequestWrapper.java:85)
at org.apache.myfaces.webapp.filter.MultipartRequestWrapper.getParameter(MultipartRequestWrapper.java:181)
at org.apache.myfaces.context.servlet.RequestParameterMap.getAttribute(RequestParameterMap.java:42)
at org.apache.myfaces.context.servlet.AbstractAttributeMap.get(AbstractAttributeMap.java:91)
at org.apache.myfaces.renderkit.html.HtmlResponseStateManager.getTreeStructureToRestore(HtmlResponseStateManager.java:159)
at org.apache.myfaces.application.jsp.JspStateManagerImpl.getSequenceString(JspStateManagerImpl.java:260)
at org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreTreeStructure(JspStateManagerImpl.java:230)
at org.apache.myfaces.application.jsp.JspStateManagerImpl.restoreView(JspStateManagerImpl.java:267)
at org.apache.myfaces.application.jsp.JspViewHandlerImpl.restoreView(JspViewHandlerImpl.java:231)
at org.apache.myfaces.lifecycle.RestoreViewExecutor.execute(RestoreViewExecutor.java:81)
at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:95)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:70)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:139)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:100)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:147)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.zerone.rrs.authentication.AuthenticationFilter.doFilter(AuthenticationFilter.java:100)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:444)
at org.apache.coyote.ajp.AjpAprProtocol$AjpConnectionHandler.process(AjpAprProtocol.java:472)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1286)
at java.lang.Thread.run(Unknown Source)

Never mind . problem solved after i restarted

PageLoad in JSF.

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