A session bean encapsulates business logic that can be invoked programmatically by a client over local, remote, or web service client views. More specifically, a stateless session bean does not maintain a conversational state with the client, so it is mostly used as a service(e.g. rest api, persistence-retrieval) and does specific job without the need of keeping a state.
Questions tagged [stateless-session-bean]
188 questions
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Do you really need stateless session beans in this case?
We have a project with a pretty considerable number of EJB 2 stateless session beans which were created quite a long time ago. These are not the first-line beans which are accessed from our client via RMI, rather they are used by that code to…
John Munsch
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4 answers
How GlassFish maps client requests to sessions
With EJB (3.x) you have a choice of Session Beans: @Stateful and @Stateless. If I understand the basics behind these two options:
@Stateful - Each user/client gets their own and is thus typically not pooled; maintains state across multiple…
IAmYourFaja
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Accessing EJB methods from an Action Class defined in struts
I have two projects defined in Eclipse.
One of them is an EJB(3.0) project and the other is a dynamic web project.
I have defined a stateless session bean named LoginAuthenticator and created two interfaces local and remote for it.
In my EJB project…
sragvuw
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inject stateless bean into a singleton bean
I have this requirement: I have a singleton bean and I have a method annotated with @PostConstruct where I perform some initialization. One of the initialization is to read some values from a DB, so I want to inject in this method a Stateless bean…
Elvis
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EJB3. How JNDI lookup works
I'm building little framework for data processing with EJB 3.
I have Entity Access Object tier which abstracts from data source. Now I need some kind of factory which will give me right bean to query entities.
Is it safe to pass looked up through…
Alex Povar
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How does a web server/container treat a POJO in respect to other classes like EJB's and Entities?
I'm trying to use plain old java objects(POJO)'s and regular class files where needed and only use EJBs when I need the functionality that they add such as asynchronous calls, pooling, etc. I'm wondering how the server treats this behavior once the…
Randnum
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Why we get java.lang.ClassCastException: $Proxy, in jndi lookup of a Stateless Session Bean in Glassfish 3.1.1
We are having problems looking up a Local Stateles session Bean instance in a utility class. We always get a ClassCastException: $ProxyXYZ (XYZ is any number)
We are using Glassfish 3.1.1, JPA 2, EJB 3, JSF2
Everything is packaged in a ear…
jvacaq
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Why Stateful bean is showing the opposite behavior
I am getting different instances (on clicking Test then going back and repeating) of the Demo. I was expecting the same instance. Can someone explain what I am missing here?
Bean
@Stateful
@LocalBean
public class Demo {
public Demo() {
…
Prashant Kumar
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Stateless Bean is null
It was working earlier when I was jersey 1.1. But now it says this.userBean is null.
Apart from that there is one warning in the log related com.sun.faces.flow.FlowDiscoveryCDIHelper is deprecated from CDI 1.1!
logs:
08:30:45,161 INFO …
Prashant Kumar
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Usage of @Stateless and @Transactional on a POJO class - when and why?
I have a developer in my team who uses both of the annotations @Stateless and @Transactional on POJO classes that do not need any of these to work correctly.
Example:
@Stateless
@Transactional(Transactional.TxType.REQUIRED)
public class…
Alex Mi
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@TransactionAttribute( TransactionAttributeType.NEVER ) on SSB seem to change timeout. On JBOSS EAP 7 (and Wildfly?)
In our solution there are a number of stateless session beans that implement CXF SOAP services or RESTEasy endpoints.
Like this:
@Path( "/" )
@Stateless
@TransactionAttribute( TransactionAttributeType.NEVER )
public class ValidationBean {
//…
Sjaak
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How to implement an interceptor in a timer in jakarta EE9
I want to have a Stateless session bean in JAKARTA EE9 where I print "hello" on the console every 10 seconds. This is achieved by the following code.
@jakarta.ejb.Stateless(name = "MyTimerEJB")
public class MyTimerBean {
@Schedule(hour ="*",…
Ilovetocode
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Error In JPQL Data inside a stateless bean
I have a JSF / JPA / MySQL / EclipseLink GlassFish or Payara application.
A schedule is running inside a stateless EJB. The data is extracted through JPQL using EJBs inside the stateless bean.
When the database queries a small amount of data, the…
Buddhika Ariyaratne
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1 answer
How Do I Correctly Deploy A Bean - JNDI, Weblogic 12C
I am trying to create a bean for a weblogic 12C server. The bean is just going to hold a couple values that at least one (possibly more) application(s) can reference (specifically - a bearer token, the duration of the token, and when it was…
Keith Fosberg
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1 answer
JSF converter fails to intialize
I have a facelet page in which i have a primefaces selectCheckboxMenu where a user can select one or more conferences.
Primefaces 8.0,
5.194 #badassfish (build 327)|#]
org.glassfish
…
Kim Gabrielsen
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