eclipselink « Load « JPA Q&A





1. In an OSGi environment, how are the classpaths and classloaders set up?    stackoverflow.com

I'm confused about class visibility in OSGi. I'm running Apache Felix and loading the following bundles:

  • the antlr, asm, jpa and core bundles from eclipselink
  • an OSGi-fied jar for javax.persistence 1.99
  • an OSGi-fied jar ...

2. Verify JPA column mappings at load time    stackoverflow.com

Current project recently had a mess of changes to the DB schema. These were largely style cleanups, such as ensuring that all columns followed a consistent naming pattern and were all_in_snake_case ...

3. eclipselink PersistenceUnitLoadingEception in executable JAR    stackoverflow.com

I am developing a stand-alone java application which uses eclipselink. It is all fine when I execute the app from eclipse IDE. But I've exported an executable JAR file, and since ...

4. Understanding JPA lazy loading    stackoverflow.com

Using Glassfish 3.1 with Eclipselink as JPA provider on board. Got stateless bean with following code and Folder class wich is mapped to table. Each folder can have it's parent folder. Stateless ...

5. Knowing the size of Lazy loaded collection    stackoverflow.com

Is there any way to know the size of a lazily loaded collection without loading the collection object(without writing a @NamedQuery with COUNT(*)) ? Something like @LazyCollection(LazyCollectionOption.EXTRA) in hibernate ? Note : I'm ...

6. Hibernate problem with lazy loading in views    stackoverflow.com

I have @Stateless ejb's deployed in my web application. This web application is deployed in glassfish V3.0.1 My domain model is made of two classes : Master and Slave, the master being ...

7. Exception loading eclipselink jpa application on websphere 7    stackoverflow.com

I have a working restful application working on glassfish. i have successfully deployed the application on websphere 7 and i have done some configuration necessary but i am getting some exception that i ...

8. eclipselink J2SE fetchType LAZY efficient use    stackoverflow.com

I'm developing my first EclipseLink J2SE project, and wondering if there's an efficient way to take benefit of the lazy loading even after accessing an object. Here's an example to illustrate the ...

9. confused about Lazy loading    stackoverflow.com

While trying to do some tests on lazy loading, to check if i'm understanding it well, i got totally confused. Here's the entities i'm using on my test:

@Entity
public class Family {
@Id
private int ...