Linked Questions

I'm working and learning about JSF + Facelets these days. I have a BackingBean and a Facelet xHTML page. When I request the facelet-page (only one time) the backing-bean-method is called multiple ...

Environment: Seam, Richfaces The following code snippet causes the method getUsers to be called multiple times, how do I avoid this in my application so that it gets called only once. <c:forEach ...

I am using "c:forEach" in an xhtml in the following way: <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java....

In my ADF project , I have a table component on JSF page whose value attribute is bound to method in Managed bean which returns List type object . I am able to show the data on the table but i can see ...

Can I get value of DataTable in JSF from method that will return a list of objects instead of getting from getter of an attribute? FilmBean.java @ManagedBean(name = "filmBean") @SessionScoped public ...

I'm really new to JSF, I've been learning it exactly 2 days now. Besides the initial confusion about the concepts, I have issues with eclipse too. I'm using JSF 2.0 with obviously Eclipse and Tomcat 7....

I'm using JSF 2.0. I wanted to use h:dataTable and I realized that the function from value in dataTable is invoked 2 times when I open view in browser. I'm confused with that and I don't know what I'...

I have a problem using a <ui: repeat> inside another <ui: repeat>. Let's see the code to explain it better: <h:form> <ui:repeat value="#{myManagedBean.listDocsFather}" var="...

I used for internationalization the JSF configuration, and I have a list of countries from the class Locale in <p:selectOneMenu>, but I am facing a problem of duplicate values of the countries ...

I'm using Jboss. I have a bunch of checkboxes which I generated via a producer(@Named, @SessionScoped), the data comes from a mysql database (using hibernate). When I click a checkbox I print out (p:...

I have a primefaces wizard containing a ui:repeat, as follows: <p:wizard flowListener="#{reportWizard.onFlowProcess}" widgetVar="wiz" showStepStatus="false" showNavBar="false"> <p:tab id=...

I'm using Glassfish Server 4.1 with bundled JSF. I've enabled JPA FINE logging in "persistence.xml". I have this Facelets page: <p:dataTable var="customer" value="#{customerService.customers}">...

I am new with Primifaces and JSF framework I am using PRimefaces 5, JSF 2, Spring 4 and Hibernate 5 The problem that I am facing is that when adding a button into dataTable the number of request to ...

Currently, I try to make a game based on JSF 2.x with XHTML, JavaScript and Java as back-end. This game is round based with up to 6 players. Creating player (objects) and make some settings on it (...

I have currently the following code: <h:form id="activitiesListForm" rendered="#{activitiesRequestByObjectController.init('BOOKING_DATE', bookingDateEditController.bookingDate.id)}"> &...

I need some light about something strange we have noticed in our project. We have a Primefaces 10 (Omnifaces) + JSF 2 project and we see that when we click a button (or trigger an AJAX request) log ...

i am working on big web application which is developed in java, using jsf framework, running on jboss server. I face a problem: I have a function in which we call some soap web services. This works ...

I am showing list of reports in my web page by iterating list of objects using h:datatable. Here is the code for that <p:dataTable emptyMessage="#{msg.reports_message}" var="fileData" value="#{...

On a Liferay plugin project I've got a JSF+PF based portlet on which I've created a minimal, complete, and verifiable example dealing with <p:dataTable> and <p:rowExpansion> elements ...

I have a simple JSF2.0 from page as shown below: <h:body> <div><center><h1><big><u>Java Learning Center</u></big></h1></center></...

I am creating a web application, where you have to read a list of objects / entities from a DB and populate it in a JSF <h:selectOneMenu>. I am unable to code this. Can someone show me how to do ...

Is there a way to execute a JSF managed bean action when a page is loaded? If that's relevant, I'm currently using JSF 1.2.

I'm trying to display image bytes which is saved in database as a StreamedContent in the <p:graphicImage> as follows: <p:graphicImage value="#{item.imageF}" width="50" id="grpImage" height=...

Is it possible to define variable and reuse the variable later in EL expressions ? For example : <h:inputText value="#{myBean.data.something.very.long}" rendered="#{myBean.data.something....

Does the <ui:repeat /> tag support iterating over a java.util.Set? I've tried iterating over my JPA domain entity objects contained in a Set, but receive errors. Is there something I'm missing?...

I'm trying to get used to how JSF works with regards to accessing data (coming from a spring background) I'm creating a simple example that maintains a list of users, I have something like <h:...

I've got a problem with an ajax request in a JSF page. When I click on the button, I get this exception: SEVERE: Servlet.service() for servlet Faces Servlet threw exception java.lang....

I'm trying to persist some values to a MySql database from a small facelet application but keep getting this error. I had this same application with a JPS page and a servlet and it worked fine with ...

I' have a question about initialization of List in the POJO as it follows the next code: public class Person { //other fields... private List<String> friends=new ArrayList<>(); ...

Related to a previous example, i tried to monitor my get/set methods on the server (when they are called, and how often). So, my actual been look such : @ManagedBean(name="selector") @RequestScoped ...

I encountered the following error when I was executing my application: java.sql.SQLException: No value specified for parameter 1 What does it mean? My UserGroup list in my dao: public List<...

Would like to hear experts on best practice of editing JPA entities from JSF UI. So, a couple of words about the problem. Imagine I have the persisted object MyEntity and I fetch it for editing. In ...

I know writing business logic in getters and setters is a very bad programming practice, but is there any way to handle exceptions if the response is already committed? What exactly is the meaning ...

I've a data table as below: <h:dataTable value="#{bean.items}" var="item"> I'd like to populate it with a collection from the database obtained from a service method so that it is immediately ...

I have got into a project for re factoring of JSF implementation. The existing code is not followied the proper JSF standards. To achieve that I am learning all the concepts in JSF ( I already have ...

I'm developing an application using Primefaces + JSF. My data table works, but has a problem at sort sortBy=, I tried sortBy="#{pc.rota}" but it doesn't work too: Data table show all rows, the ...

when there are data that are repeated in several pages (reference example) Is that I can load into a single managed bean and I use several managed bean in the same page. What is its impact?

I have a jsf page with a form has an outputtext in it. The value of outputtext component is called from a backing bean (or managed bean). I know when I code it as #{MyBean.myString} Jsf rename it and ...

when I try to render the view, browser show this error 01:46:11,371 GRAVE [javax.enterprise.resource.webcontainer.jsf.application] (http--127.0.0.1-8080-1) Error Rendering View[/index.xhtml]: javax....

I am trying to make 4 dependent / cascading selection components. In this question, the selection component happens to be a <h:selectOneMenu>, but this is of course applicable on any other kind ...

I have read there, but i can't take edited value from primefaces datatable cellEditor, it gives me unedited value. i am using jpa. xhtml page: <?xml version="1.0" encoding="UTF-8"?> <!...

I have a problem with Primefaces whose version is 3.0.M3 . I used gmap and prime p:ajax.I wanted to do something is to get clicked Marker when a marker is clicked by a user on Gmap. Here is the Code ...

I have a application using JSF2.0, Spring3 and Hibernate4. I am displaying values in Primefaces 3.4.2 datatable, the problem is when I click the pagination, datatable rows always remain in first 10 ...

I would like to measure the rendering time of a JSF application. Because of out of my power reasons, the application can't be populated with logs. Therefore, my question would be, is there any way in ...

How to pass results from RESTful service to JSF components? I read many postings, but couldn't find a straightforward method. Using RESTful APIs wherever possible is the main requirement for my ...

I'm working with JSF and PrimeFaces, but I need to get the value of the id of a component. Because I'm building dinamycally panels with diferent id, to show a the panel I need to compare if is the ...

Moin! I have a situation where I try to display an error message using p:message for an Exception that is raised in a getter. But this results into the message "WARNUNG: There are some unhandled ...

I am working with Eclipse and Glassfish 3.0. Pretty new to this technology although I have done similar things before. Very simple really got a datatable bound to a backing bean. Add methods and ...

I do not really understand how getter and setter work althougth it is a basic concept. I have the following code, how is the attribute id sent to Managed Bean? Is it captured by getter method? My ...

I know that Application-Scope persists across multiple users, so it's obvious that we should make sure that all the ApplicationScoped ManagedBeans are thread safe. I also understand that we don't ...