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Published on 2010-05-15T09:12:12Z
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Environment: JPA 1, Hibernate 3.3.x
I have an JPA entity class (User), how do I selectively fetch member variables say (first_name, last_name) instead of fetching all user attributes using the JPA api.
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Hi,
I wrote a stateless EJB method allowing to get an entity in "read-only" mode.
The way to do this is to get the entity with the EntityManager then detach it (using the JPA 2.0 EntityManager).
My code is the following:
@PersistenceContext
private EntityManager entityManager;
public T getEntity(int…
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I am using the AndroMDA plugin for maven to generate code from an uml diagram made in MagicDraw.
When the code is generated, AndroMDA desings the JPA annotation for the persitence layer. I think that at the compilation process AndroMDA uses Naming Strategies to determine the Table and Column names…
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I want to setup my database with initial data programmatically. I want to populate my database for development runs, not for testing runs (it's easy). The product is built on top of Spring and JPA/Hibernate.
Developer checks out the project
Developer runs command/script to setup database with initial…
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I am getting this error when I am running my eclipselink project.
[EL Warning]: 2008.12.05 11:47:08.056--java.lang.NoClassDefFoundError: org/jboss/resource/adapter/jdbc/ValidConnectionChecker was thrown on attempt of PersistenceLoadProcessor to load class com.mysql.jdbc.integration.jboss.MysqlValidConnectionChecker…
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So, I've got a DAO that I used to load and save my domain objects using JPA. I finally managed to get the transaction stuff working (with a bunch of help from the folks here...), now I've got another issue.
In my test case, I call my DAO to load a domain object with a given id, check that it got…
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I'm trying to use Hibernate to persist a class that looks like this:
public class Item implements Serializable, Comparable<Item> {
// Item id
private Integer id;
// Description of item in inventory
private String description;
// Number of items described by this inventory item
private int…
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Hello,
I am having some problems trying to work with PostgreSQL and Hibernate, more specifically, the issue mentioned in the title. I've been searching the net for a few hours now but none of the found solutions worked for me.
I am using Eclipse Java EE IDE for Web Developers. Build id: 20090920-1017…
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Hi,
I'm trying to run a simple GWT project where I'm trying to do a simple persitence via hibernate to a HSQLDB database. The database I'm using I have been using for at least 2 years with several osgi applications without any problems. So all I done is reused the same configuration and added a simple…
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According to the tutorial : http://jpa.ezhibernate.com/Javacode/learn.jsp?tutorial=27hibernateloadvshibernateget,
If you initialize a JavaBean instance with a load method call, you can only access the properties of that JavaBean, for the first time, within the transactional context in which it…
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I use netbean 6.7.1 to write "hello world" witch hibernate, but I get some errors, plz help me, thank you very much.
my exception
init:
deps-module-jar:
deps-ear-jar:
deps-jar:
Copying 1 file to F:\Documents and Settings\My Dropbox\DropboxNetBeanProjects\loginspring\build\web\WEB-INF\classes
compile-single:
run-main:
Oct…
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