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• Using @Resource to load environment entries

  - by a1ex07

  Hi, I'm trying to load bean runtime configuration. @Stateless public class MyBean implements MyLocal{ @Resource String runtimeSetting1="default_value"; //.... } I cannot find out how to create custom resource on app server side (Glassfish) - I have no idea what I should enter in "Factory Class" field. Maybe there is a better way of loading configuration... Thanks.

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• Spring Batch validation

  - by sergionni

  Hello. Does Spring Batch framework provide its specific validation mechanism? I mean, how it's possible to specify validation bean? My validation is result of @NamedQuery - if query returned result, the validation is OK, else - false.

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• how do i load an image from a DB inside a jsf using managed beans?

  - by RhigoHR

  Hi.. i have a database with some images...could anyone tell me or explain me how could i can load an image in a jsf? I alredy have a managed bean that converts an Image object into a streamcontent...and this streamcontent is called from the page in a tag , but when a i check the source code of the page, there's no src where the image could be loaded. Hope an answer, thx

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• Spring 3: task namespace: How to find out time of next execution?

  - by Bernd Haug

  I have a bean that has a method executed on a schedule using <task:scheduled> in the context configuration. Is there a way for me to find the time of the next scheduled run during execution of that method? The same method is also executed manually, and the mechanism for receiving scheduler information may not break executions from outside the scheduler...

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• Disable Spring URL resource loading in context file

  - by drewzilla

  I have the need to specify a URL in a Spring context file but don't want Spring to turn it into a resource, i.e. I want the URL to be passed as a String to the bean that I'm creating in the context file rather than it being converted into a Resource object. How can I avoid Spring creating a Resource? Thanks, Andrew

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• how to declare datetime datatype in mysql in a normal pojo class

  - by Rajesh

  How to declare datetime datatype in normal java class Example: I have one SampleUser table, in that for UpdateDate column I declare datatype as datetime, for this table I need to create a pojo class, so how I have declare datetime datatype in Java-bean ?? class User { /* shall we use java.sql.Timestamp for **UpdateDate** field........? */ private Timestamp updateDate; } this Syntax is correct??

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• How to manage user authentication/sessions?

  - by Dan

  What is the best way to manage user authentication/sessions in a web app, ideally in a clustered environment, using Spring Framework/MVC? I thought of creating a login bean that creates a jsession for authenticated users and then using AOP to check for the jsession before each controller method inovcation. If there isn't a better way, what are some possible alternatives? Thanks.

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• Forcing a save as dialogue from any web browser from JSF application

  - by Mark Lewis

  Hello I've created a JSF application, and I want to embed a link in a page which when clicked causes the backing bean to marshall out some xml and force the opening of a save-as download dialogue box so the user can choose a location to save the file. I've already written the JAXB code. How is this done? Thanks

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• How do I set the value of HtmlOutputTag in JSF?

  - by Nitesh Panchal

  Hello, I want to dynamically create controls in my bean. I am using JSF 2.0 HtmlOutputTag objHtmlOutputTag = new HtmlOutputTag(); Now which property of HtmlOutputTag should I set to set the content of HtmlOutputTag?

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• How to Highlight image based on selection in JSF

  - by Paul

  The images are displayed horizontally using . At first no images are selected if selected it has to be highlighted. If user changes the selection the old has to go normal and new has to be highlighted. while in edit mode we need to highlight the already selected image and they may change in this mode so highlight should change. Bean is in session scope. pls provide some solution.

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• Hibernate EntityManagerFactory EntityManager

  - by Raj

  Can I create an EntityManager from EntityManagerFactory outside a bean. If so, how would I do it?

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• Two Persistence Units, Two entityManagerFactory(s), SPring, JPA, Hibernate

  - by sebajb

  I am using Two entityManagerFactory{1,2} based on two persistence units, autowired through spring, hibernate, with resource local. My DaoImpls are configured with the PersistenceUnit(unitName='...') according to the unit needed. I was under the impression that using them with the unitName specified would allow me to use x number of PUs without problem but I still get: expected single matching bean but found two: [emf1, emf2]. Am I missing some other configuration?

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• How do I load an image from a DB inside a JSF page using managed beans?

  - by RhigoHR

  I have a database with some images. Could anyone explain me how I could load an image in a JSF page? I already have a managed bean that converts an Image object into a streamcontent. This streamcontent is called from the page in a tag <h:graphicImage>, but when I check the source code of the page, there's no src where the image could be loaded.

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• J2EE _ Eclipse Id Exception

  - by user347672

  i import an existing simple stateless session bean project in to my eclipse Galileo workspace. it uses Jboss 4.2 server. The problem is, while try to congiure the project into server it will not shown in servers's available project list. later i try to add the project by right clicking the server but it says " there are no resources that can be added or removed from the server"... can anyone tell me the solution to run the project?

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• Hibernate Annotation (Pyramid Structure - same table)

  - by fatnjazzy

  Hi, I have a person table that contains the following fields: id, name, parent_id. the parent_id is actually a FK for column id. the data should look like this (Like a pyramid): "id" "name" "parent_id" "1" "I am the Top Father" "1" "2" "My Father Is 1" "1" "3" "My Father Is 2" "2" "4" "My Father Is 2" "2" How is my bean suppose to look like? Thanks

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• Entities equals() - hashcode() - toString(). How to correctly implement them?

  - by spike07

  I'm implementing equals() - hashcode() - toString() of my Entities using all the available fields in the bean. I'm getting some Lazy init Exception on the frontend when I try to compare the equality or when I print the obj state. That's because some list in the entity can be lazy initialized. I'm wondering what's the correct way to for implementing equals() and toString() on an Entity Obj

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• How do i know which element is clicked in ui:repeat? JSF

  - by Nitesh Panchal

  Hello, We can bind HtmlDatatable to backing bean and get the row data. But ui:repeat doesn't even a binding attribute. So, how do i know which row(element) is clicked in ui:repeat? Thanks in advance :)

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• How to store currently logged on user in DB?

  - by stacker

  Using Seam 2.1.2 and JSF 1.2 I wonder how to store the users login name in the database. In plain JSF I would simply lookup FacesContext.getCurrentInstance().getExternalContext().getRemoteUser();in a backing bean and set the value into a persistent object. How can I achieve that the users name will be stored in the DB?

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• How do i set the value of HtmlOutputTag JSF?

  - by Nitesh Panchal

  Hello, I want to dynamically create controls in my bean. I am using JSF 2.0 HtmlOutputTag objHtmlOutputTag = new HtmlOutputTag(); Now which property of HtmlOutputTag should i set to set the content of HtmlOutputTag?

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• Talking J2EE 1.4 with JEE 5

  - by Filip

  Is it possible to use Enterprise Bean from JEE 5 server application in client application written in J2EE 1.4. What about difference in interfaces in this two technologies?

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• How are get and set methods on javabeans called by frameworks?

  - by testymctesttesttest

  If you have a bean with a getFoo method, how does whatever framework you're using know how to call the getFoo method when you ask for the value of foo? Is this done using the reflection API? Or is it somehow done using annotations? Obviously I know how you can derive the method given the name of the property, I just don't know how the method is invoked.

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• Is there an updated javabean reflection library that includes generics?

  - by Steve B.

  Before re-inventing the wheel, I thought I'd see if anyone is aware of an updated version of something like apache commons-beanutils (basically interested in using reflection-based services for populating and extracting bean values), especially one that supports generics.

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• How do I know which element is clicked in ui:repeat?

  - by Nitesh Panchal

  In JSF, we can bind HtmlDataTable to backing bean and get the row data. But ui:repeat doesn't even have a binding attribute. So, how do I know which row (element) is clicked in ui:repeat?

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• Simple servlet or filter to process form

  - by David

  Is there a simple framework for processing form submissions via a servlet? For my needs, a framework like STRUTS seems like over kill. My ideal processor would be a servlet that converts form elements into a bean object, possibly using typing information in the form to help with the conversion. Does something like this exist or is there another solution out there geared toward simpler needs? Thanks!

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• JSF Data transfer between UI to Business Layers

  - by Ram

  Hi, We are using JSF in UI,Spring in Business Layer,Hibernate in Persistance layer.Now my question is how to pass data from my JSF1.1_01 UI to spring Business Layer.Can I directly used my Business object in my Backed Bean or through DTO should I transfer data between the layer? Can one explain me with clear explanation if possible with piece of code and that related websites?

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