Browser Back Button and form navigation

Some times when you use browser back button and adf-taskflow navigation buttons, validation on form fails, witout having made any change even with enabled token validation.
Reproduction steps on HR schema:
1. Create QueryDepartment and EditDepartment Views and navigation rules in adfc-config.xml
2 Create ADF view only table page for QueryDepartment selectable, and add navigation button to go to EditDepartment
3. Create EditDepartment form with navigation buttons and button to navigate back to QueryDepartment
test:
1.Run QueryDepartment and select a department
2.Go to Edit Department using navigation button
3.Navigate to next department pressing the 'Next' button
4.Navigate back using the Browser Back button.
5.Try to navigate back to QueryDepartment using the navigation button.
My result is validation error on DepartmentId field 'Error: JBO-25013: '
Is this a bug or am i doing something wrong?

Hi,
maybe I don't get it, but as I understood you have problem with focus on select button. So why don’t you set focus onLoad on another element of your page?
Something like onload=”$x(‘ELEMENT_NAME’).focus()”;
Regards,
Przemek

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Need to select link twice when using Browser back button

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use the following lines in your web.xml to avoid this bug of the current jsf-ri version.
<context-param>
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Form field validation: All required data lost when clicking browser-back-button!

Hi folks,
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rememberFormInputs('frmlogin', 'input-');
'frmlogin' should be the id of page, not the name. so on your <form> tag, add the id="frmlogin"
remove the
// overload alert
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Ctrl+F5 and Browser Back Button

I have read many posts about these issues, but did not reach to any result.
I realize that they are a kind of validation, but how can we work around them?
I have tried to set "EnableTokenValidation" property in the page definition to false, but this causes more problems, since instead of "Creation/Insert" mode, the page appears to be in an "Update" mode.
It came upon my mind to hide browser's tool bars, but I am not sure for this...
So, please, does anyone have reached a solution, or even any recommendations?
Thanx in advance

Hi,
you are tackling two issues here:
1 - page refresh
2 - browser back button
Both are typical JavaEE issues
1 - If you submitted a page then a refresh will not bring it back into createInsert mode. If you want it to get back into CreateInsert mode, set an invokeAction on the executableSection of the binding to invoke CreateInsert on any page request
2 - The recommended way of doing this - described as a pattern in J2EE - is a dejavu token that allows you to detect duplicate requests. The best solution I saw working though is a piece of JavaScript that on the client side deleted the browser history. This way the browser back button became non-functional
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Browser back button not working with ADF Application integrated with SSO

I have integrated an adf application with Oracle SSO Authentication. Application is running fine.
Though, while navigating between pages, using browser back button , it is not redirecting the url properly
Should Redirect it to : http://<hostname>:<port>/<contex-root>/<servlet>/<id>
Presently Redirecting it to :http://<hostname>:<port>/<contex-root>
As, directory browsing is not allowed, there is Error 403--Forbidden .
Can anybody tell what changes needs to be made to make browser back button work.

In some of the documentation I have read, they have mentioned that using the back button in a browser doesn't work too well with any JSF type of application (not just ADF and Jdeveloper apps).
http://docs.oracle.com/cd/E15051_01/web.1111/b31974/web_form.htm#CFHHJGJH
Instead, they suggest using buttons on the form.
There is a video on using navigation between forms that may be of value: http://www.youtube.com/watch?v=bsPtmRID5XI&feature=plcp
Stuart
Edited by: Stuart Fleming on Sep 11, 2012 5:30 AM

My back button and refresh button and my yahoo tool bar are dimmed a lot when I open up firefox. So as a result, I cannot use the back button nor my refresh button AND my yahoo toolbar disappears a lot. I have tried to get on your chat session but it is a

<blockquote>Locked by Moderator as a duplicate/re-post.
Please continue the discussion in this thread: [/forum/1/688252]
Thanks - c</blockquote>
== Issue
==
I have another kind of problem with Firefox
== Description
==
My back button and refresh button and my yahoo tool bar are dimmed a lot when I open up firefox. So as a result, I cannot use the back button nor my refresh button AND my yahoo toolbar disappears a lot. I have tried to get on your chat session but it is always closed. I need one on one help. Please reply with resolution.
== This happened
==
Every time Firefox opened
== two or three months ago
==
== Firefox version
==
3.6.3
== Operating system
==
Windows XP
== User Agent
==
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.3) Gecko/20100401 (BT-canvas) Firefox/3.6.3 GTB7.0 (.NET CLR 3.5.30729)
== Plugins installed
==
*-npdnu
*npdnupdater2
*Coupons, Inc. Coupon Printer DLL
*Coupons, Inc. Coupon Printer Plugin
*The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
*6.0.12.448
*RealPlayer(tm) LiveConnect-Enabled Plug-In
*RealJukebox Netscape Plugin
*Default Plug-in
*Adobe PDF Plug-In For Firefox and Netscape "9.3.2"
*BrowserPlus -- Improve your browser! -- http://browserplus.yahoo.com/
*Shockwave Flash 10.0 r45
*Yahoo Application State Plugin version 1.0.0.7
*3.0.50106.0
*My Web Search Plugin Stub for 32-bit Windows
*Google Updater pluginhttp://pack.google.com/
*Google Update
*Next Generation Java Plug-in 1.6.0_20 for Mozilla browsers
*Npdsplay dll

* If the menu bar is hidden then press and hold the Alt key down, that should make the Menu bar appear (Firefox 3.6 on Windows) (see [[Menu bar is missing]]).
* Make sure that you have the ''Navigation Toolbar'' and other toolbars visible: View > Toolbars .
* If items are missing then see if you can find them in the View > Toolbars > Customize window.
* If you see the item in the Customize window then drag it back from the Customize window to the Navigation toolbar.
* If you do not see that item then click the Restore Default Set button in the View > Toolbars > Customize window.
See also [[Back and forward or other toolbar buttons are missing]] and [[Navigation Toolbar items]]
See http://kb.mozillazine.org/Toolbar_customization

Reporting Services add (browser) back button

Dear all,
I have a client that has 4 reports; 1 main, and 3 that are rendered when the user clicks the report data on the main report (which passes parameters to generate the other 3).
They would like to have a back button in the report header of the 3 reports (they don't want to use the browser back button).
Is this possible using a text box, then editing the navigation properties and does anyone have an example? Or am I missing something quite obvious?
Any help would be gratefully received!!
Dan

Check this link on how to implement it
http://road-blogs.blogspot.com/2010/04/adding-breadcrumbs-to-your-drillthrough.html
Cheers,
Jason
P.S. : Please click the 'Mark as Answer' button if a post solves your problem! :)

Browser Back Button x Stale Data

Hi,
I'm facing a weird issue with back button handling.. whenever two sessions of the browser are opened to access the Oracle Applications, when changing something in one session, moving to the other session to change another thing and come back to the first session, even for completely different products and responsibilities, it gives me the stale data error as below. It seems like the session has been invalidated since I'm sure I haven't use the browser back button.
Is this an expected behavior?
++Error: Cannot Display Page++
++You cannot complete this task because you accessed this page using the browser's navigation buttons (the browser Back button, for example).++
++To proceed, please select the Home link at the top of the application page to return to the main menu. Then, access this page again using the application's navigation controls (menu, links, and so on) instead of using the browser's navigation controls like Back and Forward.++
Thanks,
Eduardo

Yes,that is the expected behaviour. In oaf http session is synchronised with the clicks, so on same desktop if u open two different apps sessions you will face the error, which ur facing now.
--Mukul

Browser back button not maintain selections on previous page?

Hi every one
1. The following is my code for a home page.
<h:form>
    <h:selectManyCheckbox value="#{home.value}">
         <f:selectItems value="#{brandItems}"/>
    </h:selectManyCheckbox>
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</h:form>2. This is my session bean code
@Stateful
@Name("home")
public class TempAction implements Temp,Serializable
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     public void getAll() {
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          this.value = value;
     public void display() {
          for(String a:value)
               System.out.println("________________"+a);
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    public void reset() {}
    @Destroy
    @Remove
    public void destroy() {}
}3. I invoke getAll method by using following code in my pages.xml
After visiting the second page by clicking the s:link , I go back to the first page by using browser BACK button . Then when I hit the SUBMIT button, I get the following error message in my jboss console and also the check boxs are deselected.
16:29:05,843 INFO [lifecycle] WARNING: FacesMessage(s) have been enqueued, but may not have been displayed.
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By
Thiagu.m

Did you ever find a solution? I'm having this issue also.

IE Browser back button goes to two pages back

I am not using JSPs, using a servlet ABSServlet to display the search page, after entering the search criteris I'm displaying a report page. The report page has a button 'Save As Excel' which open the report in the Excel form. When I click on this button browser asks 'Open' or 'Save'. I clicked on 'Open'. It open the report in excel form in the same page. Now if I press the IE Browser back button it takes me to the Search page instead of the report page.
Ideally it should go back to the Report page(preiosu page) if I click the back button and not to the previous to previous page. Can someone help?

You cannot (practically) modify the function of the browser's back button...
You can patch it though.
Put in the intermediate (search) page something like
<script language="Javascript"></script>
<body onload="sendback()">Not really a Java solution, but should work.
Bamkin :-)

Question about back button and Onload function in a jsp

Hi All,
I am having two jsp pages, say a.jsp and b.jsp. I had a javascript onload function which refreshes all the fields in a.jsp. When i enter some values in a.jsp, based on those values i will be getting the results in b.jsp. Now when i click the back button in b.jsp, it will go to a.jsp again. The problem i am facing is when i click this back button, because of the onload function in a.jsp all the fields in a.jsp are getting refreshed but i want the values which i entered previously in that page. Is there a way that i can do this such that the onload function will not run when i come to that jsp by clicking the back button.
Also i would like to know why a.jsp is reloading when we click the back button in b.jsp and coming to a.jsp. Is this way how back button will function. I am not sure of it. Plz clarify my doubts..
Thx.....

Normally it is not advisable to use the browser back button rather if there is a need we should
implement the back button functionality.
For e.g
In b.jsp
<head>
</head>
<script language="Javascript">
function fnBack()
document.frmHeader.action = "a.jsp";
document.frmHeader.submit();
</script>
<form name="frmHeader" method= "post">
<input type="hidden" name="hdCheckFromB" value="Y">
<p>
<input type="button" name="btnBack" value="Back" onClick="javascript:fnBack();">
</p>
</form>
</body>---------------------------------------
Now , in a.jsp
<%
String strBackParameter = requst.getParameter("hdCheckFromB");
%>
// Now if strBackParameter is carrying a value "Y" , then we know its from B else body onLoad refresh-------------------------------------
Hope this helps.
Thanks

Making a Browser BACK button in Java Script

I've been trying to create a Browser Back button to return the user back to my LMS. They typical ones I've found on the internet don't seem to work or I'm not entering it into Lectora properly. Has anyone succussfully created a BACK button in Captivate?
Using Captivate 3.
One code I've tried that won't work: <a href="javascript:history.go(-1)" </a>

Hi there
This could be an issue with Flash Player Security as described in the link below.
Click here to view
Cheers... Rick
Helpful and Handy Links
Captivate Wish Form/Bug Reporting Form
Adobe Certified Captivate Training
SorcerStone Blog
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OA Framework browser back button

Hello,
How does OA Framework figure out navigation using browser back button?
I am taking an example from the tutorial which comes with JDeveloper.
There are these 2 pages EmpSearchPG(X) and EmployeePG(Y), there is an explict link from X to Y and an implicit link from Y to X (when you create an employee or cancel employee creation process).
This is the scenario
1. You start from page X
2. You go to page Y, by clicking on the link to page Y from page X
3. You come back to page X with browser back button
4. You again go to page Y, by clicking on the link to page Y from page X
In this case control first comes in processRequest of the page X controller and then processFormRequest of the page X controller and
OA Framework does this because it detects the browser Back button navigation. How does OA Framework figure this out?
regards, Yora

Which function are you using for parameter setting? Setting parameter on pageContext will be lost on back button. Use putTransientSessionValue to set the parameter.
But to be on the safer side, now that you have found the reason of NPE as the back browser button, follow the back browser button handling section in Dev guide to handle that scenario also.
--Shiv

The browser back button is not working correctly when using the search funtion in ProBoards forums. Is there a known issue with ProBoards & FF?

I have submitted a bug report to ProBoards, but they cannot duplicate the problem I am having, so I am submitting this here in hopes you can find a solution.
At ProBoards Support and another PB forum while doing searches I found this problem, which continues with repeated testing over the past week or so:
url: http://support.proboards.com/search
1. enter perameters for the search (posts only by staff for the last 2 days)
2. choose one of those post results & click on it (choose a post on page 14 and not on page 1 of the results)
3. using the browser back button, attempt to return to the previous page of search results
4. rather than being taken back to the search results with my parameters, the search parameters have been removed and the page show 1000 results of posts by everybody.
I have tested this over and over again, disabling plugins, and nothing seems to alter the malfunctioning of the back button when I am doing this search function at ProBoards.
I have tested it in Internet Explorer and find that in IE the browser back button works properly with ProBoards searches. I always get the result I expect, so it's a problem with how FF interfaces with ProBoards, I think.

Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
Note: ''This will temporarily log you out of all sites you're logged in to.''
To clear cache and cookies do the following:
#Go to Firefox > History > Clear recent history or (if no Firefox button is shown) go to Tools > Clear recent history.
#Under "Time range to clear", select "Everything".
#Now, click the arrow next to Details to toggle the Details list active.
#From the details list, check ''Cache'' and ''Cookies'' and uncheck everything else.
#Now click the ''Clear now'' button.
Further information can be found in the [[Clear your cache, history and other personal information in Firefox]] article.
Did this fix your problems? Please report back to us!

Need help with java browser "Back" button

All:
I'm trying to make the "Back" button in my Java web browser work. Any help would be greatly appreciated. Here is my code:
import javax.swing.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;
import java.io.*;
import javax.swing.text.html.*;
import javax.swing.text.*;
public class Browser implements HyperlinkListener, ActionListener
String source = "http://www.google.com";
final String GO = "Go";
final String Back = "Back";
JEditorPane ep = new JEditorPane(); //a JEditorPane allows display of HTML & RTF
JToolBar tb = new JToolBar(); //a JToolBar sits above the JEditorPane & contains
JTextField tf = new JTextField(40); // the JTextField & go button
JLabel address = new JLabel(" Address: ");
JButton back = new JButton(Back);
JButton go = new JButton(GO);
BorderLayout bl = new BorderLayout();
JPanel panel = new JPanel(bl);
JFrame frame = new JFrame("Billy Wolfe's Browser");
protected Vector history;
public Browser()
openURL(source); //this method (defined below) opens a page with address source
ep.setEditable(false); //this makes the HTML viewable only in teh JEditorPane, ep
ep.addHyperlinkListener(this); //this adds a listener for clicking on links
JScrollPane scroll = new JScrollPane(ep); //this puts the ep inside a scroll pane
panel.add(scroll,BorderLayout.CENTER); //adds the scroll pane to center of panel
tf.setActionCommand(GO); //gives the ActionListener on tf a name for its ActionEvent
tf.setActionCommand(Back);
tf.addActionListener(this); //adds an ActionListener to the JTextField (so user can
go.addActionListener(this); //use "Enter Key")
tb.add(back); //this adds the back button to the JToolBar
tb.add(address); //this adds the Label "Address:" to the JToolBar
tb.add(tf); //this adds the JTextField to the JToolBar
tb.add(go); //this adds the go button to the JToolBar
panel.add(tb,BorderLayout.NORTH); //adds the JToolBar to the top (North) of panel
frame.setContentPane(panel);
frame.setSize(1000,900);
frame.setVisible(true);
}// end Browser()
public void openURL(String urlString)
String start = urlString.substring(0,4);
if(!start.equals("http")) //adds "http://" to the URL if needed
urlString = "http://"+urlString;
}//end if
try
URL url = new URL(urlString);
ep.setPage(url); //this sets the ep page to the URL page
tf.setText(urlString); //this sets the JTextField, tf, to the URL
catch (Exception e)
{ System.out.println("Can't open "+source+" "+e);
}//end try-catch
}//end openURL
public void hyperlinkUpdate(HyperlinkEvent he) //this allows linking
HyperlinkEvent.EventType type = he.getEventType();
if(type == HyperlinkEvent.EventType.ACTIVATED)
openURL(he.getURL().toExternalForm());
history.add(he.getURL().toExternalForm());
}//end hyperlinkUpdate()
public void actionPerformed(ActionEvent ae) //for the GO and BACK buttons
String command = ae.getActionCommand();
if(command.equals(GO))
openURL(tf.getText());
history.add(tf.getText());
//JOptionPane.showMessageDialog(null, "This is a test");
if(command.equals(Back))
try
String lastURL = (String)history.lastElement();
history.removeElement(lastURL);
lastURL = (String)history.lastElement();
// JOptionPane.showMessageDialog(null, lastURL);
ep.setPage(lastURL);
if (history.size() == 1)
back.setEnabled(false);
catch (Exception e)
System.out.println("ERROR: Trouble fetching URL");}
}//end actionPerformed()
}// end Browser class

Here it is. I need to be able to click the Back button and view the previous URL.
import javax.swing.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.event.*;
import java.util.*;
import java.io.*;
import javax.swing.text.html.*;
import javax.swing.text.*;
public class Browser implements HyperlinkListener, ActionListener
String source = "http://www.google.com";
final String GO = "Go";
final String Back = "Back";
JEditorPane ep = new JEditorPane(); //a JEditorPane allows display of HTML & RTF
JToolBar tb = new JToolBar(); //a JToolBar sits above the JEditorPane & contains
JTextField tf = new JTextField(40); // the JTextField & go button
JLabel address = new JLabel(" Address: ");
JButton back = new JButton(Back);
JButton go = new JButton(GO);
BorderLayout bl = new BorderLayout();
JPanel panel = new JPanel(bl);
JFrame frame = new JFrame("Billy Wolfe's Browser");
protected Vector history;
public Browser()
openURL(source); //this method (defined below) opens a page with address source
ep.setEditable(false); //this makes the HTML viewable only in teh JEditorPane, ep
ep.addHyperlinkListener(this); //this adds a listener for clicking on links
JScrollPane scroll = new JScrollPane(ep); //this puts the ep inside a scroll pane
panel.add(scroll,BorderLayout.CENTER); //adds the scroll pane to center of panel
tf.setActionCommand(GO); //gives the ActionListener on tf a name for its ActionEvent
tf.setActionCommand(Back);
tf.addActionListener(this); //adds an ActionListener to the JTextField (so user can
go.addActionListener(this); //use "Enter Key")
tb.add(back); //this adds the back button to the JToolBar
tb.add(address); //this adds the Label "Address:" to the JToolBar
tb.add(tf); //this adds the JTextField to the JToolBar
tb.add(go); //this adds the go button to the JToolBar
panel.add(tb,BorderLayout.NORTH); //adds the JToolBar to the top (North) of panel
frame.setContentPane(panel);
frame.setSize(1000,900);
frame.setVisible(true);
}// end Browser()
public void openURL(String urlString)
String start = urlString.substring(0,4);
if(!start.equals("http")) //adds "http://" to the URL if needed
urlString = "http://"+urlString;
}//end if
try
URL url = new URL(urlString);
ep.setPage(url); //this sets the ep page to the URL page
tf.setText(urlString); //this sets the JTextField, tf, to the URL
catch (Exception e)
{ System.out.println("Can't open "+source+" "+e);
}//end try-catch
}//end openURL
public void hyperlinkUpdate(HyperlinkEvent he) //this allows linking
HyperlinkEvent.EventType type = he.getEventType();
if(type == HyperlinkEvent.EventType.ACTIVATED)
openURL(he.getURL().toExternalForm());
history.add(he.getURL().toExternalForm());
}//end hyperlinkUpdate()
public void actionPerformed(ActionEvent ae) //for the GO and BACK buttons
String command = ae.getActionCommand();
if(command.equals(GO))
openURL(tf.getText());
history.add(tf.getText());
//JOptionPane.showMessageDialog(null, "This is a test");
if(command.equals(Back))
try
String lastURL = (String)history.lastElement();
history.removeElement(lastURL);
lastURL = (String)history.lastElement();
// JOptionPane.showMessageDialog(null, lastURL);
ep.setPage(lastURL);
if (history.size() == 1)
back.setEnabled(false);
catch (Exception e)
System.out.println("ERROR: Trouble fetching URL");}
}//end actionPerformed()
}// end Browser class

Browser Back Button and form navigation

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