JSF2 : Problem passing values with f:setPropertyActionListener
Hi,
I'm a JSF newbie, and I'm in front of a weird problem on a JSF2 / Glassfish3 project. I'm working on GlassFish Server Open Source Edition 3.1 (build 43) with Mojarra 2.1.0 (FCS 2.1.0-b11).
I'm using a commandLink to pass values from a page to a backing bean. This example works (here is only the relevant code) :
user.xhtml :
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:c="http://java.sun.com/jsp/jstl/core"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets">
<ui:composition template="sublayout.xhtml">
<ui:define name="maincontent">
<p><a name="projects"><h:outputText value="Projects" /></a></p>
<p><h:outputText value="#{userController.user.login} has initiated the following projects:" /></p>
<h:dataTable value="#{userController.getProjects()}" var="p">
<h:column>
<h:form>
<h:outputText value="#{p.id}: " />
<h:commandLink action="#{projectController.doGetProject()}">
<h:outputText value="#{p.title}" />
<f:setPropertyActionListener value="#{p.id}" target="#{projectController.projectId}" />
</h:commandLink>
</h:form>
</h:column>
</h:dataTable>
</ui:define>
</ui:composition>
</html>userController.java:
// package, imports...
@ManagedBean(name = "userController")
@RequestScoped
public class UserController {
@EJB
private UserServiceEJBLocal userServiceEJB;
private FacesContext ctx = FacesContext.getCurrentInstance();
private User user = new User();
private long userId;
private String password;
private String passwordConfirmation;
public String doGetUser() {
try {
user = userServiceEJB.findById(userId);
} catch (ObjectNotFoundException e) {
ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "User not found" + userId, "User not found : " + e.getMessage()));
return null;
return "user.faces";
public ArrayDataModel<Project> getProjects() {
return new ArrayDataModel<Project>(user.getProjects().toArray(new Project[user.getProjects().size()]));
// Getters and setters
}projectController.java:
// package, imports...
@ManagedBean(name = "projectController")
@RequestScoped
public class ProjectController {
@EJB
private ProjectServiceEJBLocal projectServiceEJB;
FacesContext ctx = FacesContext.getCurrentInstance();
private Project project = new Project();
private long projectId;
public String doGetProject() {
try {
project = projectServiceEJB.findById(projectId);
} catch (ObjectNotFoundException e) {
ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Project " + projectId + " was not found", e.getMessage()));
return null;
return "project.faces";
// Getters and setters
}The proble occurs on the XHTML page below :
project.xhtml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:ui="http://java.sun.com/jsf/facelets">
<ui:composition template="sublayout.xhtml">
<ui:define name="maincontent">
<h:form>
<h:commandLink action="#{userController.doGetUser()}">
<h:outputText value="#{projectController.project.author.login}" />
<f:setPropertyActionListener value="#{projectController.project.author.id}" target="#{userController.userId}" />
</h:commandLink>
</h:form>
</ui:define>
</ui:composition>
</html>The commandLink syntax seems to be the same as the one provided above, but when I test this for, I get an IllegalArgumentException from Glassfish. Here it is, from the Glassfish server.log :
[#|2011-08-22T11:15:11.462+0200|WARNING|glassfish3.1|javax.enterprise.resource.webcontainer.jsf.lifecycle|_ThreadID=95;_ThreadName=Thread-1;|/project.xhtml @32,42 target="#{userController.userId}": Can't set property 'userId' on class 'org.creagora.server.ejb.managed.UserController' to value 'null'.
javax.el.ELException: /project.xhtml @32,42 target="#{userController.userId}": Can't set property 'userId' on class 'org.creagora.server.ejb.managed.UserController' to value 'null'.
at com.sun.faces.facelets.el.TagValueExpression.setValue(TagValueExpression.java:139)
at com.sun.faces.facelets.tag.jsf.core.SetPropertyActionListenerHandler$SetPropertyListener.processAction(SetPropertyActionListenerHandler.java:206)
at javax.faces.event.ActionEvent.processListener(ActionEvent.java:88)
at javax.faces.component.UIComponentBase.broadcast(UIComponentBase.java:769)
at javax.faces.component.UICommand.broadcast(UICommand.java:300)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:794)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:409)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1534)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:98)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:91)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:162)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:326)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:227)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:170)
at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:822)
at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:719)
at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1013)
at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:225)
at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104)
at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90)
at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79)
at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54)
at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59)
at com.sun.grizzly.ContextTask.run(ContextTask.java:71)
at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532)
at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.IllegalArgumentException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at javax.el.BeanELResolver.setValue(BeanELResolver.java:381)
at com.sun.faces.el.DemuxCompositeELResolver._setValue(DemuxCompositeELResolver.java:255)
at com.sun.faces.el.DemuxCompositeELResolver.setValue(DemuxCompositeELResolver.java:281)
at com.sun.el.parser.AstValue.setValue(AstValue.java:197)
at com.sun.el.ValueExpressionImpl.setValue(ValueExpressionImpl.java:286)
at com.sun.faces.facelets.el.TagValueExpression.setValue(TagValueExpression.java:131)
... 35 more
|#]So I wonder : what makes the first example work, that fails in this one ? Where does this 'null' value come from ? I tested every value (project, author, author id), everything is correct. But for some reason, the projectController.project.author.id is not passed to the userController.userId.
If I try to replace
<f:setPropertyActionListener value="#{projectController.project.author.id}" target="#{userController.userId}" />by this (obviously incoherent but syntically correct)
<f:setPropertyActionListener value="#{projectController.project.id}" target="#{userController.userId}" />I don't get the IllegalArgumentException anymore, but the value is still not passed, and the value of userController.userId is never updated, and remains set to 0.
But if I hardcode a valid value :
<f:setPropertyActionListener value="1" target="#{userController.userId}" />It works...
I can't understand why a 'null' value appears from who knows why, given that the only value passed are of long type.
Can you help me ? It's getting frustrating, and I didn't find any help on Google so far...
Thanks!
Xavier
Edited by: 880733 on 22 août 2011 04:04
Ok, I have a little more time now.
You ask how the value can be null when the property is a long. What is happening is that something in the chain is null, e.g. the author is not set on the project. (Although usually you get an exception with that kind of thing.) The EL resolver is actually not really part of JSF, it is a separate library. Furthermore it is weakly typed so it doesn't know what type of thing projectController.project.author.id is until it evaluates it. If something is null along the way, there is no way for it to know whether the end result should have been a long, a Long, a String or anything else.
You asked how to pass values without setPropertyActionListener. It is certainly possible. In fact, I would not be surprised if my entire application did not use setPropertyActionListener. Let's start with the first case. In that situation you were using a dataTable. The customary thing to do is to bind the dataTable to a UIData property in a managed bean. Then, in your action method, you can invoke UIData.getRowData() and get the object instance associated with the row in the table that was activated by the user.
In your second example it is a little difficult to appreciate everything going on without more context but I'll just guess at what I don't know. I'm going to assume you have a simple page here. On the request that generates this page, projectController.project.author.id is known. I imagine the problem is that this is in request scope, causing projectController.project.author.id to be forgotten on the next request. The simplest solution is to store the project somewhere in session scope. I would recommend against putting the Controller classes themselves in the session scope. Instead create a set of beans for session scope and inject them into the Controller classes.
There are many other ways to skin the same cat. Many people object to over-using session scope. So you could store something small like just the id in the session. Or you could pass the id using h:inputHidden. Or you could use Tomahawk's s:saveState.
HTH
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SYSTEM COUNTY ROUTE BPOST_TAG EBPOST_TAG
1 77 80 025 030
------- The Return Values Should be as below-------------------------------------------------
Sy Co Route Dir Bpost Epost Miles Descrption
1 77 80 1 025 026 ? ?
1 77 80 1 026 027 ? ?
1 77 80 1 027 028 ? ?
1 77 80 1 028 029 ? ?
1 77 80 1 029 030 ? ?
1 77 80 2 025 026 ? ?
1 77 80 2 026 027 ? ?
1 77 80 2 027 028 ? ?
1 77 80 2 028 029 ? ?
1 77 80 2 029 030 ? ?
The top 5 List Items are based on the first Data Block (PMISCURR) and the bottom 8 columns are based on the second Data Block (PMISCURR1).
I have PRE-QUERY on the first Data Block (PMISCURR), below is code for the PRE-QUERY.
DECLARE
Wh_clause VARCHAR2(200);
BEGIN
IF :PMISCURR.SYSTEM is not null then
Wh_clause := 'SYSTEM = '||:PMISCURR.SYSTEM;
END IF;
IF :PMISCURR.COUNTY is not null then
Wh_clause := WH_CLAUSE ||'AND COUNTY = '||:PMISCURR.COUNTY;
END IF;
IF :PMISCURR.ROUTE is not null then
Wh_clause := WH_CLAUSE ||'AND ROUTE = '||:PMISCURR.ROUTE;
END IF;
IF :PMISCURR.BPOST_TAG is not null then
Wh_clause := WH_CLAUSE ||'AND BPOST_TAG = '||:PMISCURR.BPOST_TAG;
END IF;
IF :PMISCURR.EPOST_TAG is not null then
Wh_clause := WH_CLAUSE ||'AND EPOST_TAG = '||:PMISCURR.EPOST_TAG;
END IF;
END;
OK It's just not my day I can't even get this line-up! :)
Edited by: Monty on May 5, 2011 2:58 PMHello,
Simply get the current item value in a When-List-Changed trigger:
current_value := :block.listitem ;Francois -
How to pass values with comma to comma seperated param in sp
hi all,
i have one sp which has param name as cordinatorname varchar(max)
in where condition of my sp i passed as
coordinator=(coordinatorname in (select ltrim(rtrim(value)) from dbo.fnSPLIT(@coordinatorname,',')))
but now my promblm is for @coordinatorname i have values as 'coorcinator1', 'coordinato2,inc'
so when my ssrs report taking these values as multiselect, comma seperated coordinator2,inc also has comma already
how to get this solved. please help me..
luckyIn the SSRS report, on the parameters tab of the query definition, set the parameter value to
=join(Parameters!<your param name>.Value,",")
In your query, you can then reference the value like so:
where yourColumn in (@<your param name>)
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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Passing values with each program run
Hi ,
I have a program which runs 6 days a week and updates a table.Now my requirement is to assign a value to a field for each day when the program runs every day in the week.
<b>For first day - D
second day - D-1
sixth day - D-5.</b>
when the program runs after D-5 it should again start from D.
How can i achieve this please advise.
Regards
PavanHi kumar,
1.
03-Jun-06 D
04-Jun-06 D-1
05-Jun-06 D-2
06-Jun-06 D-3
07-Jun-06 D-4
08-Jun-06 D-5
09-Jun-06
10-Jun-06 D
11-Jun-06 D-1
12-Jun-06 D-2
13-Jun-06 D-3
2. this program will give output,
based upon date input.
3. just copy paste
report abc.
data : monday type sy-datum.
data : abc(3) type c.
data : diff type i.
DATA : DAYNR TYPE C.
parameters : mydate type sy-datum default sy-datum.
START-OF-SELECTION.
CALL FUNCTION 'GET_WEEK_INFO_BASED_ON_DATE'
EXPORTING
DATE = mydate
IMPORTING
WEEK =
MONDAY = monday
SUNDAY =
DIFF = MYDATE - MONDAY.
DAYNR = DIFF.
ABC = 'D'.
IF DIFF >= 1.
CONCATENATE ABC '-' DAYNR INTO ABC.
ENDIF.
WRITE ABC.
regards,
amit m. -
Passing values to another page with %
I have a button that redirects to another page in my application. I am passing the value of one my fields to the target page via <Set These Items> and <With These Values>. The source field has a % at the end of it. When the value gets passed to the target, the % is not passed. Is there a problem passing values with % in them?
Here is the passing parameter list:
Set These Items: P22_DB_NAME
With These values: &P2_DB_NAME.
The value of P2_DB_NAME is "ESB%". When it gets to the target page it is "ESB".Brian,
you will need to encode the percent sign and use
%25
instead of
Make your button an url and use this link. It will replace the percentage with the encoded value and pass the value to the specified item.
redirect('f?p=&APP_ID:22:&SESSION.::::P22_DB_NAME:'+$x('P2_DB_NAME').value.replace(/%/, '%25'));
Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://apex.oracle.com/pls/otn/f?p=31517:1
------------------------------------------------------------------------------ -
Hello,
We are facing Problemon Value Help is that while Clicked on the u201CValue Helpu201D button we
are getting Popup with all the values. If I Passed value with search
field then also we are getting all the value.(Search Option is not
working)
Waiting for your response.
Thanks
Chittya BejHi Chittya
Are you using BI - BEx query for creating value Help? If yes then you need to first select variable type as 'Multiple Single values'.
Then while creating 'Value Help', there is one tab for 'Get Data From' here select 'Diamension Table'. & then try with search options. IN search options you need to select ' Between, Greater than etc' & then give From & To values. IT will work.
If you have any issues then do let me know.
Regards
Sandeep -
Hello i have little problem with pass values to pop up
I want to pass values when user click on current row then show right click context menu to pop up.
i need help following code. Because it doesn't pass current row values , it passes all values in database. i thought filter doesn't work .
First i added Bind Variables named VarEnqID and Criteria named GetbyIDCriteria on my view object .
Second i created view object classes and object interfaces and view object classes method's code :
public void setSearch1C(String input)
ViewCriteria vc = getViewCriteria("GetByIDCriteria");
vc.resetCriteria();
setVarEnqID(input);
//setVarEnqId2(input);
applyViewCriteria(vc);
executeQuery();
Third i drag setSearch1C from data control to right click context menu and add attribute named Id to bindings then choose id into value.How is the context menu and the pop-up wired up?
Have you set the pop-up to lazyUncached?
Which value from the current row do you want to pass to the method?
Which Jdev version do you use?
Timo -
Problem with f:setPropertyActionListener and f:ajax
Hello,
This is my first post to this forums.
I am having some problems with the following scenario in JSF2: I have a h:dataTable populated with some items (ex. folders) and for each item I have a h:commandLink that is ajax enabled and has a f:setPropertyActionListener as a child that sets the selected folder on the backing bean and also re-renders another h:dataTable with a different kind of items (files). This part is working as expected. I want the second table to behave as the first one - when I click a h:commandLink I want to perform some action on the backing bean and to re-render a part of the page. The problem is that the action listener is not invoked, nor is the f:setPropertyActionListener.
This is the code:
<h:form id="form">
<h:dataTable var="folder" value="#{bean.folders}">
<h:column>
<h:commandLink actionListener="#{bean.go}" value="Select">
<f:attribute name="folder" value="#{folder}"/>
<f:setPropertyActionListener value="#{folder}" target="#{bean.folder}"/>
<f:ajax execute="@this" render=":form:imageTable"/>
</h:commandLink>
</h:column>
<h:column>
<f:facet name="header">
<h:outputText value="Folder"/>
</f:facet>
<h:outputText value="#{folder}"/>
</h:column>
</h:dataTable>
<h:panelGroup id="imageTable">
<h:dataTable value="#{bean.files}" var="image" rendered="#{bean.folder != null}">
<h:column>
<h:commandLink actionListener="#{bean.action}">
<f:ajax execute="@this" render=":form:pictureDialog"/>
<h:graphicImage value="#{image}" width="200"/>
<f:setPropertyActionListener value="#{image}" target="#{bean.image}"/>
<f:attribute name="image" value="#{image}"/>
</h:commandLink>
</h:column>
</h:dataTable>
</h:panelGroup>
<p:dialog widgetVar="dialog">
<p:outputPanel id="pictureDialog">
<h:graphicImage value="#{bean.image}"/>
</p:outputPanel>
</p:dialog>
</h:form>Any ideas on how can I achieve this and why it is not working properly in the current form?
Thank you
FlorinThe solution seams to be declaring the bean as having view scope.
-
Passing values to iframed page with flash chart.
Hi,
I'm trying to dynamically generate a series of charts within a sql report.
In my report i make several calls to a page with a (flash) chart and i pass some values to this page/chart by setting page items through the source url of the iframe.
The problem is that all the iframed instances of the page in my report display the same data although each iframe sets specific page item values through its source url.
(only the page item values that were set by the last call to the page are being used by all the other chart instances)
So why does this happen?
Are the iframed charts rendered to slow?
Is this a flash problem?
Should i call each iframe within a seperate session?
And does anyone know how to correctly pass values to the iframed page / chart so each instance of the page/chart displays the correct data?
Thanks
NielsSolved my problem by leaving the SESSION part blank in the src url of the iframe.
Apex creates a new session for every iframe now, the page items values are not overwritten and the data is displayed correctly.
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