Simple jsf 2.1/ajax page, example code?

hi,
ive created a dynamic web project in eclipse juno, it uses mojarra and tomcat.
i just want some kind of ajax behavior to get started, this is my xhtml page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
     xmlns:ui="http://java.sun.com/jsf/facelets"
     xmlns:h="http://java.sun.com/jsf/html"
     xmlns:f="http://java.sun.com/jsf/core" >
<head>
<title>Insert title here</title>
</head>
<body>
     <h:form>
          <h:inputText id="myinput" value="">
               <f:ajax render="outtext" event="keyup" listener="#{loginBean.update}"/>
          </h:inputText>
          <h:outputText id="outtext" value="#{loginBean.eventCount}"/>
     </h:form>
</body>
</html>and this is LoginBean.java:
import javax.faces.event.AjaxBehaviorEvent;
public class LoginBean {
     private int eventCount = 0;
     private String name;
     private String password;
     public String getName ()
          return name;
     public void setName (final String name)
          this.name = name;
     public String getPassword ()
          return password;
     public void setPassword (final String password)
     this.password = password;
     public void update (AjaxBehaviorEvent event)
        this.setEventCount(this.getEventCount() + 1);
     public int getEventCount() {
          return eventCount;
     public void setEventCount(int eventCount) {
          this.eventCount = eventCount;
}the error i get is: (right after starting the application, without any input)
Feb 25, 2013 10:14:58 PM com.sun.faces.renderkit.RenderKitUtils renderUnhandledMessages
INFO: WARNING: FacesMessage(s) have been enqueued, but may not have been displayed.
sourceId=null[severity=(ERROR 2), summary=(One or more resources have the target of 'head', but no 'head' component has been defined within the view.), detail=(One or more resources have the target of 'head', but no 'head' component has been defined within the view.)]how can i fix this?

theres quite a lot of outdated information out there, even if you specify last year as max time search in google.
and there are even wrong ones, not just one. look at mykongs ajax example if you want to see ajax with a full page reload.
now with h:head and h:body the error is gone, but yet no ajax update when i type :(
updated login.xhtml:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
     xmlns:ui="http://java.sun.com/jsf/facelets"
     xmlns:h="http://java.sun.com/jsf/html"
     xmlns:f="http://java.sun.com/jsf/core" >
<h:head>
<title>Insert title here</title>
</h:head>
<h:body>
     <h:form>
          <h:inputText id="myinput" value="">
               <f:ajax render="outtext" execute="@this" event="keyup" listener="#{loginBean.update}"/>
          </h:inputText>
          <h:outputText id="outtext" value="#{loginBean.eventCount}"/>
     </h:form>
</h:body>
</html>why is the ajax part still not working?
Edited by: 990254 on Feb 25, 2013 2:44 PM

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<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<title>untitled</title>
</head>
<body>
<h:form>
<h:outputText/>
</h:form>
</body>
</html>
</f:view>
Please let me know what i'm missing here. Why can I not see the page?

When I make my project no errors are reported, when I run it a browser opens up with an error. I added 'faces/' to the url and refreshed but still get same error .
Does the url which is invoked with Run not include a /faces/ url pattern?

Sending email from a simple JSF Form

Hi,
Sorry if this is a very basic question. I have a simple JSF (with ADF BC) form that collects information and I store the submitted values in the backing bean. I am even able to display the input values in a than you page. I just want a pointer on how I can use this data in the backing bean to email that data.
I have tried importing the JavaMail.jar and activation.jar files into my project and tried a few sample java programs I found to do this simple task. But, I am not sure I am importing the right classes to use this in a JSF program. For eg. this program right here.. not sure if the oracle.jbo.Session is the right class to import for Session.
package view.beans;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;
import oracle.jbo.Session;
public class javaMailer{
    public javaMailer() {
    public void postMail( String recipients[ ], String subject, String message , String from) throws MessagingException
        boolean debug = false;
         //Set the host smtp address
         Properties props = new Properties();
         props.put("mail.smtp.host", "smtp.jcom.net");
        // create some properties and get the default Session
        Session session = Session.getDefaultInstance(props, null);
        session.setDebug(debug);
        // create a message
        Message msg = new MimeMessage(session);
        // set the from and to address
        InternetAddress addressFrom = new InternetAddress(from);
        msg.setFrom(addressFrom);
        InternetAddress[] addressTo = new InternetAddress[recipients.length];
        for (int i = 0; i < recipients.length; i++)
            addressTo[i] = new InternetAddress(recipients);
msg.setRecipients(Message.RecipientType.TO, addressTo);
// Optional : You can also set your custom headers in the Email if you Want
msg.addHeader("MyHeaderName", "myHeaderValue");
// Setting the Subject and Content Type
msg.setSubject(subject);
msg.setContent(message, "text/plain");
Transport.send(msg);
Thanks in advance for your time.
Edited by: Karthik on Nov 10, 2008 10:20 AM

Thanks John. Stupid me. I added the jar files to my Web-INF folder but never added the jar files to the ViewController project through the Project Properties window. Once I did that, the errors disappeared.
Thanks for your help! :-)

About creating an AJAX page with DML procedures using dynamic actions

About creating an AJAX page with DML procedures in APEX using dynamic actions. Help with limitations.
I want to share my experience, creating AJAX procedures in APEX 4.0.
LIMITATIONS
•     How Can I Hide UPDATE button while I press NEW button. ??
•     How Can I Hide CREATE button while I’m UPDATING A RECORD. ??
•     How can I avoid multiple Inserts or Updates. ??
Here are the steps to create an AJAX Updatable Form using the sample table DEPTS. You can see the demo here: [http://apex.oracle.com/pls/apex/f?p=15488:1]
1)     Create a blank page
2)     Add a Report Region for departments (It shows the columns deptno, dname and loc).
3)     Add an HTML Region and create the elements to edit a Department.
a.     P1_DEPTNO (Hidden to store PK)
b.     P1_DNAME (Text Field)
c.     P1_LOC (Text Field)
4)     You also have to create a hidden element called P1_ACTION. This will help to trigger dynamic actions to perform DMLs.
5)     Open Page Attributes and in the HTML Header Section include the following code.
<script>
     function doSelect(pId){
          $x_Value(‘P1_DEPTNO’,pId);
          $x_Value(‘P1_ACTION’,’SELECT’);
</script>
6)     Modify the column DEPTNO in the report, to add column link. In the link text you can use #DEPTNO# , in target you must select ‘URL ‘ and in the URL field write javascript:doSelect(#DEPTNO#);
7)     Create the following Buttons in the Form Region.
CANCEL     Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’CANCEL’);
NEW          Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’NEW’);
SAVE          Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’UPDATE’);
CREATE          Redirects to URL: javascript:$x_Value(‘P150_ACTION’,’CREATE’);
8)     Create the following Dynamic Action to Select a Department
Name:     Select Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     SELECT
Action:     Execute PL/SQL Code
PL/SQL Code:
SELECT dname, loc
INTO :P1_DNAME, :P1_LOC
FROM dept
WHERE deptno = :P1_DEPTNO;
Page Items to Submit:     P1_DEPTNO, P1_DNAME, P1_LOC
Don’t include any false action and create the Dynamic Action.
The first limitation, the value of page elements don’t do refresh so I added the following true actions to the dynamic action AFTER Execute PL/SQL Code.
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_DNAME
Page Items to submit:     (none) (leave it blank)
Affected Elements: Item P1_DNAME
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_LOC
Page Items to submit:     (none) (leave it blank)
Affected Elements: Item P1_LOC
These actions allow refresh the items display value.
9)     Create the following Dynamic Action to Update a Department
Name:     Update Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     CREATE
Action:     Execute PL/SQL Code
PL/SQL Code:
UPDATE dept SET
dname = :P1_DNAME,
loc = :P1_LOC
WHERE deptno = :P1_DEPTNO;
Page Items to Submit:     P1_DEPTNO, P1_DNAME, P1_LOC
Don’t include any false action and create the Dynamic Action.
Include the following True Actions BEFORE the Execute PL/SQL Code true Action.
Action:     Set Value
Unmark ‘Fire on page load’ and ‘Stop execution on error’
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_DNAME
Page Items to submit:     P1_DNAME
Affected Elements: Item P1_DNAME
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_LOC
Page Items to submit:     P1_LOC
Affected Elements: Item P1_LOC
These actions allow refresh the items display value.
Finally to refresh the Departments report, add the following true action at the end
Action:     Refresh
Affected Elements: Region Departments
10)     Create the following Dynamic Action to Create a Department
Name:     Create Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     CREATE
Action:     Execute PL/SQL Code
PL/SQL Code:
INSERT INTO dept(deptno,dname,loc)
VALUES (:P1_DEPTNO,:P1_DNAME,:P1_LOC);
Page Items to Submit:     P1_DEPTNO, P1_DNAME, P1_LOC
Don’t include any false action and create the Dynamic Action.
Include the following True Actions BEFORE the Execute PL/SQL Code true Action.
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Function Body
PL/SQL Function Body:
DECLARE
v_pk NUMBER;
BEGIN
SELECT DEPT_SEQ.nextval INTO v_pk FROM DUAL;; -- or any other existing sequence
RETURN v_pk;
END;
Page Items to submit:     P1_DEPTNO
Affected Elements: Item P1_DEPTNO
Action:     Set Value
Unmark *‘Fire on page load’* and *‘Stop execution on error’*
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_DNAME
Page Items to submit:     P1_DNAME
Affected Elements: Item P1_DNAME
Action:     Set Value
Unmark ‘Fire on page load’ and ‘Stop execution on error’
Set Type:     PL/SQL Expression
PL/SQL Expression:     :P1_LOC
Page Items to submit:     P1_LOC
Affected Elements: Item P1_LOC
These actions allow refresh the items display value.
Finally to refresh the Departments report, add the following true action at the end
Action:     Refresh
Affected Elements: Region Departments
11)     Create the following Dynamic Action to delete a department
Name:     Delete Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     DELETE
Action:     Execute PL/SQL Code
PL/SQL Code:
DELETE dept
WHERE deptno = :P1_DEPTNO;
Page Items to Submit:     P1_DEPTNO
Don’t include any false action and create the Dynamic Action.
Include the following True Actions AFTER the Execute PL/SQL Code true Action.
Action:     Refresh
Affected Elements: Region Departments
Action:     Clear
Unmark ‘Fire on page load’
Affected Elements: Items P1_DEPTNO, P1_DNAME, P1_LOC
12)     Finally Create the following Dynamic Action for the NEW event
Name:     New Dept
Event:     Change
Selection Type:     Item(s)
Item(s):     P1_ACTION
Condition:     equal to
Value:     NEW
Action:     Clear
Unmark *‘Fire on page load’*
Affected Elements: Items P1_DEPTNO, P1_DNAME, P1_LOC

I need some help to solve this issues
•     How Can I Hide UPDATE button while I press NEW button. ??
•     How Can I Hide CREATE button while I’m UPDATING A RECORD. ??
•     How can I avoid multiple Inserts or Updates. ??

Validator isn't fired when using example code from chapter 40: Validating Data

When following example code, mentioned in the Flex Developer
Guide on page 1282 is copied into an mxml example application and I
run the application, validation is never fired.
When I have a look at other example code, which is using the
listener- and trigger-property on the validator everything works
fine.
Could you explain why the example code from the Dev-guide
doesn't work as mentioned in the guide?

Nathalie,
I believe you need to specify the "trigger" and "listener"
properties as well. For more information, see the last example on
this page:
http://livedocs.adobe.com/flex/201/html/validators_093_04.html

Simple jsf 2.1/ajax page, example code?

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