Top "Eclipselink" questions

When I use A JPA Query's getResultList(), are the results detached or managed?

When I have a JPA Query that I call .getResultList(), It gives me back a List of objects. Are the …

java jpa eclipselink

Unmarshalling nested objects from JSON with JAXB

I'm trying to unmarshall input JSON into JAXB objects with Eclipselink. However, when I try to do this, I find …

json jaxb eclipselink moxy

IN clause with a composite primary key in JPA criteria

I have a table named group_table in MySQL with only two columns user_group_id and group_id (both …

hibernate jpa eclipselink composite-primary-key jpa-2.1

JPA @Transient fields being cleared before @PreUpdate method is called

I have an User Entity class that I'm trying to do password hashing for. I thought that the easiest way …

java jpa eclipselink

Difference Hibernate 3.5 / JPA 2.0

So far, I always prefered to use Hibernate directly rather than JPA 1.0, because JPA was lacking some of the important …

hibernate jpa eclipselink java-ee-6 jpa-2.0

To initialize or not initialize JPA relationship mappings?

In one to many JPA associations is it considered a best practice to initialize relationships to empty collections? For example. @…

java hibernate jpa eclipselink openjpa

java.lang.NullPointerException at org.eclipse.persistence.platform.server.ServerPlatformUtils.createServerPlatform(ServerPlatformUtils.java)

EclipseLink 2.6.1 (final) throws the following exception upon deploying a Java EE application on GlassFish Server 4.1. This had not been happening …

jakarta-ee glassfish eclipselink java-ee-7 glassfish-4.1