exception « Bean « JSF Q&A

1. calling webservice from jsf managed bean which returns List throws exception    stackoverflow.com

I created a web service in java which returns List which works perfectly fine. But, when i call that webservice in my JSF managed bean it throws exception. Here is the ...

2. Java jsf beans - Nullpointer exception    stackoverflow.com

For school I'm making this website which is a look-a-like of twitter. Now I have this nullpointer exception for over 2 days now. I would like some help on the following ...

3. managed bean creation exception in JSF    stackoverflow.com

I have a JSF managedbean I am getting the error when a managed bean is referred from from JSF page in WebSphere AppServer.

<h:inputText value=#{bean}/>

4. How are the validation exceptions caught/shown by JSF?    stackoverflow.com

When I try to save an entity which is not compliant with their JPA validation-annotations, my view (JSF) displays the exceptions. I wonder:

When is validated the entity?

What is handling/linking my validation exceptions ...

5. JSF 2.0: Why do I got this Inject managed bean Exception    stackoverflow.com

I have the following 2 ManagedBean:

@ManagedBean
@ViewScoped
public class MakeReservation {
    ...
    @ManagedProperty(value="#{cartManagedBean}")
    private CartManagedBean cartSession;
    ...
}

@ManagedBean
@SessionScoped
public class CartManagedBean {
  ...

6. JSF 2.0: Why my ViewScope Beans is re-created even though still on same View    stackoverflow.com

In my .xhtml page, I have the following form:

<ui:composition xmlns:ui="http://java.sun.com/jsf/facelets"
            template="./../template/CustomerTemplate.xhtml"
          ...

7. bean illegal state exception    coderanch.com

8. Populate Backing Bean Exception Handling    coderanch.com

I am populating an h:selectOneMenu from the getter of a managed bean. This getter class calls the database and retrieves the list of f:selectItems for the drop down box. 2 Questions 1) Is the getter of the managed bean the right place to be doing this? It just feels like I am basically calling the database directly from the view... 2) ...

9. Invalid state exception in accessing managed bean    coderanch.com

Hi All, I am using a managed bean with only one boolean property. Iam changing the status of this bean from different pages based on ceratin conditions. Iam abale to set the property in some pages, but in some pages iam having the above exception when i call this bean and setting the property. Please let me how to overcome this. ...

10. classcast exception in bean    coderanch.com

11. JSF 2.0 exception handling - Is it necessary to catch the exceptions in the Bean classes ?    coderanch.com

12. Exception when using JSF backing bean property as integer    coderanch.com