I am new to ejbs. I wrote a stateful session bean scoped @SessionScoped. Then I injected the ejb into my servlet. @Local @SessionScoped @Statueful public class CartServiceImpl implements CartServ...

I build a web service with ejb3 and maven (EAR File),code First, JAXWS, Without WSDL and without WAR, only ejb, with Eclipse, the service works in JBOSS but now i need put the service in Weblogic 1...

According to EJB3 DI documentation it is possible to inject fields and setters. But how to inject a bean constructor ?

I am trying my first EJBs with Glassfish Server ( A simple shopping cart). I intended to use the CartBean for each Http Session. If my Cart Bean is following- public interface CartLocal { public ...

is there a way to lookup an EJB in weblogic if it implements only local interface? If I use this @Remote public interface TestSessionRemote { public void businessMethod(); } @Stateless(mappedN...

I am using Java EE 5, EJB 3.0, Jboss AS 4.3.2. I have simplest Stateful bean @Local public interface IStateBean { } @Stateful public class StateBean implements IStateBean { private static int ...

In standard EJB 3, when injecting entity manager, persistence unit (which refers to datasource) is hardcoded into annotation: (or alternatively xml file) @PersistenceContext(unitName = "myunit") p...

I am an inexperienced Java developer trying to wrap my head around some fundamental middleware/SOA concepts and technologies, specifically: Service-Oriented Architecture (SOA) Message-Oriented Mi...

The default jndi context in JBoss 5.1 for an EJB is "earname/ejbname/local". In some instances where injection is not available I need to manually do a jndi lookup, however if my ejb jar file is pa...

When a user logs in, I need to insert a message (the host name, just as an example) into the database. Since it is just a text message, injecting an EJB to a client (Servlets, JSP, JSF or something...

Is it possible to run a single @WebService bean as both secure and insecure at the same time, preferably using the same URL except for the http/https protocol difference? I am able to run the serv...

I have defined a session bean base class. This class is abstract and contains protected final methods. A session implementation class extends the abstract class and defines additional methods. Duri...

I'm reading a book on Java EE 6 and I met with the following parts: "Stateless: The session bean contains no conversational state between methods, and any instance can be used for any client." "...

I'm building my first Java EE application using JSF, PrimeFaces, Glassfish and Netbeans. Because I'm new, it's possible I'm approaching the core problem wrong. Core problem: I want to maintain us...

I try to save the result of a login process for statistics to the database asynchronously to save time during the login method. But somehow the login process takes longer if i add a thread.sleep to...

I need to call an ejb method from a quartz job an I'm having trouble with locating the ejb job. I have defined a Local interface and an stateless implementation. When deploying on websphere 7, the ...

Can I use Criteria queries with EJB3 entities? If so, how can I combine them with EntityManager?

I am trying to invoke a EJB from a standalone Java client, getting the below error. Lookup code String localJNDIName = "ejbremote:gcmsnew/gcmsutilbeans.jar/CustomerSurveyManageQstBean#com.smbcgr...

I have a question about transaction performance and/or costs in following scenarios. Environment: JBoss 7.1.1 / Oracle 11G / Java 6 Scenario A - 1 EJB: I've created one EJB which saves a record ...

We currently have a Java EE system where we are mapping to our database using JPA. It is a fairly well developed system with about 20 entities. We now have been ordered to use Views for ever...

I have an EJB3 session bean annotated with @WebService(serviceName="MyServiceName", portName="MyPortName"). When it is deployed into Weblogic 11g the service endpoint is located at host:port/Bean...

I'm using CMT in EJB3 state-less session beans. Also I've created my own Exception having the annotation "@ApplicationException (rollback=true)". Do I have to use "context.setRollbackOnly()" when...

I am new to JPA. I am trying to create EJB 3.0 + JPA (Hibernate) application. When I'm persisting data into database, I'm getting below exception. SessionBean method @PersistenceUnit private Enti...

I use Java EE 5. I wrote an interceptor for all EJBs with three methods for logging: public class DefaultInterceptor { public static final String PREFIX = "!!!!!!!!!Interceptor:"; @PostConstruc...

I have a table containing customer data in an oracle database. Here is a simplified definition: CUSTOMER (CUSTOMER_ID NUMBER NOT NULL, SOURCE_SYSTEM VARCHAR2(30), FULL_NAME VARCHAR2(360), PHONE...