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14

How to Use a SF with extended Persistence Context?

-localhost-127.0.0.1-8080-1) JBAS014134: EJB Invocation failed on component GuestUpdater for method public void guest.GuestUpdater.updateGuest(java.lang.String): javax.ejb.EJBException: java.lang ... .0.1-8080-1) Servlet.service() for servlet GuestServlet threw exception: javax.ejb.EJBException: java
14

Visibility of changes in Transaction is not visible to a JPA QL Query

. The only complexity is that everything is structured into separate projects ( an EAR, The EJBs, the EJB interfaces ... , and the persistence.xml is located where it is used in the EJB project ( this was the only way I
14

Glassfish 3.1.2.1 and ObjectDB 2.4.3

Validator 4.2.0.Final INFO: EJB5181:Portable JNDI names for EJB GuestDao: [java:global/Guestbook ... 'Jersey: 1.11 12/09/2011 10:27 AM' INFO: EJB5181:Portable JNDI names for EJB GuestDao: [java:global ... module [] INFO: HV000001: Hibernate Validator 4.3.0.Final INFO: EJB5181:Portable JNDI names for EJB
14

@OneToMany(fetch = FetchType.LAZY) list is always null

Hello. @OneToMany(fetch = FetchType.LAZY) doesn't work when using EJB or something else related ... ") private EntityManager entityManager; @EJB private Manager manager; private ... = "my-pu") private EntityManager entityManager; @EJB private Manager manager; private
14

Problem to use find method on an abstract Class: AbstractMethodError is thrown

-localhost-127.0.0.1-8080-1) JBAS014134: EJB Invocation failed on component Tester for method public entities.LogicalObject services.Tester.test(java.lang.String): javax.ejb.EJBException: Unexpected ... .0.0.1-8080-1) Servlet.service() for servlet PaltzefomatServlet threw exception: javax.ejb
14

Guestbook EE ear app please

. However, I would like to call the ejb from a remote client. I have tried various ways in creating different projects for ejb, web and client, with and without an ear, and bump into queer problems. Of course I ... we cannot cover the entire Java EE. Particularly calling EJB from a remote client is not related directly
11

WebSphere Liberty Configuration

] SRVE0315E: An exception occurred: java.lang.Throwable: javax.ejb.EJBException: CWNEN0030E: The server ... .handleRequest(WebApp.java:4900) at [internal classes] Caused by: javax.ejb.EJBException: CWNEN0030E
11

Bug with unique constraint exception not resulting in transaction roll back

I'm using ObjectDB 2.5.6_02 and running into a bug with a JDO @Unique constraint. I'm using JPA in general. I have an EJB persisting two entities with @TransactionAttribute(TransactionAttributeType.REQUIRES_NEW) declared on the EJB method. The two entities have the same value for the field
11

PersistenceException UserException: Failed to validate persistence.xml

:722) Caused by: javax.el.ELException: javax.ejb.EJBException: The bean encountered a non-application ... more Caused by: javax.ejb.EJBException: The bean encountered a non-application exception; nested
2

Explorer bug ? Objects seem to be missing from database in Class view, but are present as references

exception: Caused by: javax.ejb.EJBException: Attempt to persist a reference to a non managed com.greensoft.entity.Block instance         at com.greensoft.ejb.RequestBean.createBlock(RequestBean.java:90

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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