ADF Page Load Issue

Hi,
ADF Jdeveloper: 11.1.1.3.0
I have a page with 10 tables. My issue is, all queries are executing in a second but page is taking more than 3 mins to load the data. All the time it is showing Fetching Data....
Is there any way to get rid of this load time. We have checked the database sessions and found that all queries are executing very fast.
Please help me.
Thanks.

Hi,
actually the whole tab renders. So what you can do is to initially hide the content on this tab except for an outer container that you refresh after setting rendered=true on the initial hidden content. This should eliminate the loading. However, if the problem is when clicking the tab - thus when you want the content to be visible - then I would reconsider loading 10 tables at once and look for alternatives
Frank

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Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact
[email protected]

Database and page Load Issue

Well recently I needed to change the database tables and had to remove one table within the databse. Using MySQL 5
After I cleaned up all traces of information related to the table which was removed I decided to deploy and try out the application. When I try to enter one of the pages I get this error:
java.lang.RuntimeException: java.sql.SQLException: Error in allocating a connection. Cause: The connection is not valid as querying the table roles failed: Table 'database.table' doesn't exist
And here is the stack trace that came with the error:
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:384)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:297)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:247)
javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
java.security.AccessController.doPrivileged(AccessController.java:-2)
javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
java.security.AccessController.doPrivileged(AccessController.java:-2)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:723)
org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:482)
org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:417)
org.apache.catalina.core.ApplicationDispatcher.access$000(ApplicationDispatcher.java:80)
org.apache.catalina.core.ApplicationDispatcher$PrivilegedForward.run(ApplicationDispatcher.java:95)
java.security.AccessController.doPrivileged(AccessController.java:-2)
org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:313)
com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:322)
com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:130)
com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.renderView(ViewHandlerImpl.java:311)
com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:221)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
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sun.reflect.NativeMethodAccessorImpl.invoke0(NativeMethodAccessorImpl.java:-2)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:585)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
java.security.AccessController.doPrivileged(AccessController.java:-2)
javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
java.security.AccessController.doPrivileged(AccessController.java:-2)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
com.sun.rave.web.ui.util.UploadFilter.doFilter(UploadFilter.java:194)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:210)
org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
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org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
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org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:189)
com.sun.enterprise.web.connector.grizzly.ProcessorTask.doProcess(ProcessorTask.java:604)
com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:475)
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com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:264)
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The problem is I can't find any traces of the table i removed left in the project, I did a find all in the project of a keyword which will pick up on the table and removed it.
Another interesting fact is that when I remove the data providers in the page which have no connection to the table I removed the program will load fine. I also checked all my queries and they were all displaying correctly.
Any ideas?

I found out the reason for the error, the validation table I had set was used by the datasource, after I removed the table Java Studio Creator left traces of that and still tried to use the table for validation.
If anyone else has this problem, the way I fixed this was to open the Servers Window, expand the Deployment Server Node, expand the Resources folder and remove anything there even remotely related to your database, remove your database and re-add it.
Also, could this be considered a bug? I believe I have a way to reproduce it:
1) Create a database
2) Add a datasource set the Validation table to one of the tables
3) Remove that table from the database
That should cause the error to show up. When the datasource is removed shouldn't JSC remove any traces of the connection?
Lastly does this mean that JSC is checking the validation table everytime on deployment?
A response regarding this would be appreciated

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Hi All,
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Exception Details.
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<a double-quoted delimited-identifier> <a bind variable>
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variance execute multiset the both leading trailing forall
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is it because of the wrong DBC file ?
Please any one help me to clear this issue.
Thanks,
Sai

Ah, my favourite topic.
You should try the [url http://forums.oracle.com/forums/forum.jspa?forumID=210]OA Framework Forum
John

Oracle ADF refresh as deferred does not execute query on page load

In the oracle ADF page I have two panel boxes. (Oracle ADF 11.1.1.4)
a) Personal information panel box with PanelFormLayout (PersonalInfoViewObj) - ReadOnly View Object
b) Address information panel box with Table (AddressInfoViewObj) - Read Only View Object
For the iterators in a) and b) I have kept refresh condition as deferred and cacheResult=false. Also in b) for af:table, I have kept contentDelivery="immediate"
When page loads it fires SQL query for a) and populate the data in Personal information panel box. However for b) it does not execute the SQL query and the data is not getting populated ( in AddressInformation panel with the tables. Please note data is there in the DATABASE......)
Becasue with the refresh as deferred it was not executing the sql query for Panel b) (panel with Table and table iterator). I have tried refresh as always and refresh ifNeeded/renderModel/prepareModel however in that case it is executing the SQL query two times (twice).
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Hi,
I think you need a method in an application module to init your data.
In your AM : create a method like :
public void init(){
getViewObject().executeQuery();
}In your adfc-config.xml create a methodCall from this method and a "control flow case" from the methodCall to your page.
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ADF - Executing Code on Page Load running on Weblogic 10.0

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java.lang.NullPointerException
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at oracle.adfinternal.view.faces.renderkit.core.CoreRenderKit.encodeBegin(CoreRenderKit.java:329)
at oracle.adfinternal.view.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:149)
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at javax.faces.webapp.FacesServlet.service(FacesServlet.java:214)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1077)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:465)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:28)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._invokeDoFilter(AdfFacesFilterImpl.java:228)
at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl._doFilterImpl(AdfFacesFilterImpl.java:197)
at oracle.adfinternal.view.faces.webapp.AdfFacesFilterImpl.doFilter(AdfFacesFilterImpl.java:123)
at oracle.adf.view.faces.webapp.AdfFacesFilter.doFilter(AdfFacesFilter.java:103)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:162)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:27)
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at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
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<filter-class>oracle.adf.view.faces.webapp.AdfFacesFilter</filter-class>
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<filter-name>adfBindings</filter-name>
<filter-class>oracle.adf.model.servlet.ADFBindingFilter</filter-class>
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ADF blank data grid at page load.

i want a blank data grid when a page loads. Can i drag and drop a data control to the page(this makes the ADF data table) and then clear the ADF cache and then issue an InsertRow() on the rowiterator?
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Hi there!
Did u find out how to do that? if so please let me know.
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ADF ProcessScope -- I get a new AdfFacesContext on each page load

I am trying to store some variables in the ADF processScope. But the next time the page is loaded and calls the managed bean methods, the AdfFacesContext is different, and so the processScope is empty. The managed bean is session scope, and I am setting the processScope variables in the bean's Java code.
In particular this happens when I click on the af:table pagination links, e.g. the "next 25".
How can I get access to the same AdfFacesContext (and therefore the same processScope) the next time the page loads and calls the managed bean?
I am using JDeveloper 10.1.3.3.0.
Here is the example code, and the output that is produced from my System.out.println statements:
========== Controller.java (session scope managed bean) ===============
package adfproject;
import java.util.Map;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import oracle.adf.view.faces.context.AdfFacesContext;
public class Controller {
private List<Map> list = new ArrayList<Map>();
private String label;
private static int counter;
public Controller() {
// initialize list with Map objects
for ( int i = 1; i<10 ; i++) {
Map map = new HashMap();
map.put("A","first column");
map.put("B", "row " + i);
list.add(map);
// called from JSP to initialize the ECO bean
public String getLoad() {
printAdfProcessContext("in getLoad");
// get value from current process scope
String currentLabel = (String)getProcessAttribute("LABEL");
// print currentLabel
System.out.println("current LABEL = "+currentLabel);
// if currentLabel null, build new one with counter, incr counter
if (currentLabel == null) {
label = "xyz " + ++counter;
System.out.println("new LABEL: "+label);
// remember the current label in the process scope, and in member
setProcessAttribute("LABEL",label);
return ""; // empty string so nothing is displayed on web page
public static void printAdfProcessContext(String label) {
AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();
System.out.println("============ "+label+" ===========");
System.out.println("AdfFacesContext = "+afCtx);
Map ps = afCtx.getProcessScope();
System.out.println("Process scope = "+ps);
* Get attribute from ADF "processScope".
* This is a special scope provided by ADF which is in between Session
* and Request.
* @param name attribute name
* @return
public static Object getProcessAttribute(String name) {
AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();
return afCtx.getProcessScope().get(name);
* Add or overwrite attribute in ADF "processScope".
* This is a special JSF "scope" provided by ADF Faces which is somewhere
* between Session scope and Request scope. It can be accessed in JSF
* pages using the EL expression #{processScope.myAttribute}.
* @param name attribute name
* @param value attribute value
* @return
public static void setProcessAttribute(String name, Object value) {
AdfFacesContext afCtx = AdfFacesContext.getCurrentInstance();
afCtx.getProcessScope().put(name,value);
public String getLabel() {
return label;
public List<Map> getList() {
return list;
============= jsftest.jsp =====================
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<%@ page contentType="text/html;charset=windows-1252"%>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>
<%@ taglib uri="http://xmlns.oracle.com/adf/faces" prefix="af"%>
<%@ taglib uri="http://xmlns.oracle.com/adf/faces/html" prefix="afh"%>
<f:view>
<afh:html>
<afh:head title="ADF Context Test">
<meta http-equiv="Content-Type"
content="text/html; charset=windows-1252"/>
</afh:head>
<afh:body>
<h:form>
<af:outputText value="#{controller.load}"/>
<h:panelGrid columns="2">
<af:outputLabel value="LABEL"/>
<af:outputText value="#{controller.label}"/>
<af:outputLabel value="Map"/>
<af:table emptyText="No items were found" value="#{controller.list}"
var="row" rows="4">
<af:column sortable="false" headerText="A" formatType="text">
<af:outputText value="#{row.A}"/>
</af:column>
<af:column sortable="false" headerText="B" formatType="text">
<af:outputText value="#{row.B}"/>
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</h:panelGrid>
</h:form>
</afh:body>
</afh:html>
</f:view>
================= Console Output when page loads initially ==================
08/09/03 15:27:18 ============ in getLoad ===========
08/09/03 15:27:18 AdfFacesContext = oracle.adfinternal.view.faces.context.AdfFacesContextImpl@101751
08/09/03 15:27:18 Process scope = ProcessScopeMap@7009019[_map={}, token=null,children=null]
08/09/03 15:27:18 current LABEL = null
08/09/03 15:27:18 new LABEL: xyz 1
======= Console Output when I click the "next 4" link on the table, and the page reloads ========
08/09/03 15:32:42 ============ in getLoad ===========
08/09/03 15:32:42 AdfFacesContext = oracle.adfinternal.view.faces.context.AdfFacesContextImpl@16bf9ce
08/09/03 15:32:42 Process scope = ProcessScopeMap@31287037[_map={}, token=null,children=null]
08/09/03 15:32:42 current LABEL = null
08/09/03 15:32:42 new LABEL: xyz 2
====== Comments =========
As you can see above, the AdfFacesContextImpl object has changed, so I have lost the ProcessScopeMap.
Also, on the displayed page, the label is still "xyz 1" instead of changing to "xyz 2".
Thanks for your help,
JbL

Thanks for the idea, Murph.
I didn't need a session scope bean, request would be fine, I just was trying to make something work that would allow me access to the process scope attributes. I want to allow multiple browser windows searching on different objects independently, so I don't want to use session scope.
I tried removing the variable declaration and setting/getting the processScope attribute in the setter/getter methods, to make the process scope attributes independent of the managed bean. But each time the page loads (by clicking the table navigation links), I still lose the process scope attributes. I tried with both session and request scope beans. Either way, in the getLoad() method, when I try to get the label from the process scope (using the new version of getLabel()), it is null.
So the root problem is still there.
For continued discussion on this more specific problem, see my separate thread "JSF ProcessScope attribute missing on page reload from af:table pagination"
at JSF ProcessScope attribute missing on page reload from af:table pagination

I'm using Firefox 3.6.23 on my windows 2000 and lately i've been having issues with web pages loading and need help figuring out why.

Some of the issues : '''1'''. Page loads blank showing web address in tab. Try reloading usually with no results.(problem have the most!) '''2'''. Message appears "problem loading page, server not found" (diff times & diff websites). '''3.''' Pg with msg "oops link broke, DNS error, server not found" then lists suggested links to sites for fix though all links connect to site IGEARED.COM. (new issue) I don't know what to do please help me identify and fix my issue(s) in english, kind of a newbie : ). thx

Try this.
Type in the address bar about:config.
Accept the warning.
In the page that appears, in the Filter box, type network.http.max-connections. Change the value to 32 (which is probably set to 256 in your case).
Close that page. Restart the browser.

Issue homepage custom report doesnot load on page load

Hi Gurus,
I have created custom report and displayed the same report on the main homepage and Issue homepage. For the main homepage the report is displayed properly on page load but on the issue homepage it does not automatically load on page load.
It loads the following message:
Generating analysis... Click here to view the results
Once i click on the link it then loads the report. Can anyone offer a suggestion to resolve this problem?

I believe the answer to your question was posted in this thread -:
Custom Reports to Homepage
Regards,
Cameron

ADF/JSF page loads when any command button is clicked

Hello All,
I am lost in the ADF/JSF page flow (using Jdev 10.1.3). Following are the tags (in order) in my page;
(WHEN THIS PAGE LOADS, IT GOES TO THE DATABASE TO GET VALUES (for the drop down lists that will appear on the page); THIS SHOULD HAPPEN JUST ONCE AND AT THIS POINT)
<f:view>
<afh:body>
<afh:html>
<af:form>
<af:panelpage>
<f:facet name="contextSwitcher">
<af:panelHorizontal> has a af:commandLink </af:panelHorizontal>
</f:facet>
<f:facet name="messages">
<af:messages/>
</f:facet>
<af:panelform>
<h:panelGrid columns="2" cellspacing="14">
has 2 panelgroups (one group has *2 SelectOneChoice lists (that need to be populated by fetching data from database* and the other group has 2 CommandButtons - 'Go' and 'Cancel") (GO BUTTON SETS THE SHOWPANEL() TO TRUE)
(WHEN GO BUTTON IS CLICKED, THE PAGE GOES TO THE DATABASE (AS IT DID ON PAGE LOAD). *THIS SHOULD NOT BE HAPPENING*. ONLY THE METHOD (action="#{muBean.doWork}" )THAT IS ASSOCIATED WITH GO BUTTON ACTION SHOULD BE CALLED)
</h:panelGrid>
<h:panelGrid columns="2" cellspacing="14" rendered="#{myBean.showPanel}"> (THIS ONE IS RENDERED WHEN SHOWPANEL() METHOD IS TRUE)
has 3 inputText fields
</h:panelGrid>
<af:table var="someTable" rendered="#{myBean.showPanel}"> (THIS ONE IS RENDERED WHEN SHOWPANEL() METHOD IS TRUE)
has a bunch of af:columns
</af:table>
<af:panelHorizontal rendered="#{myBean.showPanel}"> (THIS ONE IS RENDERED WHEN SHOWPANEL() METHOD IS TRUE)
has 3 af:commandButtons - submit, save, add row
(WHEN submit or save or add row BUTTON IS CLICKED, THE PAGE KIND OF LOADS AND GOES TO THE DATABASE (AS IT DID ON PAGE LOAD). *THIS SHOULD NOT BE HAPPENING*. ONLY THE METHOD THAT IS ASSOCIATED WITH submit/save/add row BUTTON ACTION SHOULD BE CALLED)
</af:panelHorizontal
</af:panelForm>
</af:panelPage>

<jsp:include page="/pages/includes/footer.jspx"/>
</af:form>
<f:verbatim>
<script type="text/javascript" src="../script/tree.js"></script>
</f:verbatim>
</afh:body>
</afh:html>
</f:view>
</jsp:root>
_*why is it that when the command buttons are clicked, the whole page is loaded? Only the methods associated with the action (action="#{newMapRequestItem.addARow}" ) should be called.*_
_*IS THERE A WAY TO AVOID THIS WITHOUT USING PARTIAL PAGE RENDERING ?*_
_*DOES MY TAG NESTING LOOK OK?*_
Edited by: user12054715 on Mar 24, 2010 12:00 PM

Can somebody please address this?
Thanks,

ADF Question: included jsp action firing after page load

Hi all,
I am using JDeveloper 10.1.3.3 and ADF + BC.
Here is another interesting situation for you. I have a page with an included jsp at the top with tabbed navigation.
My page is for entering an order. Users can have multiple orders "open" in other tabs at the same time. Users can also have many other non-order pages opened in tabs. We are using the same View Objects (Entity Based) along with Transient View Objects on each order.
Each order tab needs to "remember" the orderId so that when the user clicks on a tab, the appropriate rows are set in the order that is to be "opened". This occurs in a tab's action() - setting the orderId and forwarding to the appropriate page (if different) or reloading the same page with the new id.
On page load we try to get the tab's orderId and load that as the current row of all of our view objects. This should make it seem like they are all concurrently running.
The problem is when going from order to order, once the tab is clicked, the page's OnPageLoad method runs BEFORE the action of the tab click is processed. Therefore the order that loads thinks it is the previous order, and does not load the correct View Object rows.
Does anyone know how we can force the tab action to occur before the page load so that we can get the proper orderId?
Thanks,
Heather

Thanks for your speedy reply Frank,
We are using the onPageLoad from the OnPageLoadBackingBeanBase which implements the PagePhaseListener.
In this we are doing something like:
        if (isPostback()) {
            String selectedTabNum =
                EL.getAsString("#{TabCounter.currentSelectedTab}");
            String test = EL.getAsString("#{TabCounter.tabOrderId" + selectedTabNum + "}");
            System.out.println("tab num " + selectedTabNum);
            System.out.println( "testing " + test );
        }our tab counter (a session bean) has these two methods (among others):
    public void setCurrentSelectedTab(int currentSelectedTab) {
        this.currentSelectedTab = currentSelectedTab;
        for(int i=1;i<= 20; i++) {
            EL.set(BACKING_START+"selectedTab"+i+"}", false);
        EL.set(BACKING_START+"selectedTab"+currentSelectedTab+"}", true);
    public String getNextAvailableTab () {
        for(int i=2;i<=20;i++) {
            boolean isTab = (new Boolean (String.valueOf(EL.get(BACKING_START+"render"+i+"}")))).booleanValue();
            if (!isTab) {
                return String.valueOf(i);
        return "0";
    }our tab header (request bean) has this method as the action for clicking a tab:
        System.out.println("handleTabNavigation");
        String componentId = actionEvent.getComponent().getId();
        String selectedTab = componentId.replaceFirst("tab","");
        int selectedTabNum = new Integer(selectedTab).intValue();
        EL.set("#{TabCounter.currentSelectedTab}", selectedTabNum);
        String tabType = EL.getAsString("#{TabCounter.tabType"+selectedTabNum+"}");
        if (tabType.equals("regular")) {
            String orderId = EL.getAsString("#{TabCounter.tabOrderId"+selectedTabNum+"}");
            EL.set("#{processScope.unfinishedHeaderId}", orderId);
        } else if (tabType.equals("standing")) {
            String orderId = EL.getAsString("#{TabCounter.tabOrderId"+selectedTabNum+"}");
        }Thanks,
Heather

ADF Page Load Issue

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