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Questions tagged [eclipselink]

EclipseLink delivers a comprehensive open-source Java persistence solution. EclipseLink focuses on standards (JPA, JAXB, SDO) with advanced features, performance and scalability for enterprise software developers across data sources, formats, and containers.

EclipseLink delivers a comprehensive open-source Java persistence solution. EclipseLink focuses on standards (JPA, JAXB, SDO) with advanced features, performance and scalability for enterprise software developers across data sources, formats, and containers.

5055 questions
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Setting default allocation size for all entities?

I want to set the default allocationSize that is set by default to 50 to another value. Is there a way to do that? I'd prefer to do this with default JPA, but Eclipselink would also be ok. I don't want to specify the allocationSize in each Entity I…
Robert Franz
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Derby + EclipseLink + JUnit + Eclipse = ArrayIndexOutOfBoundsException

I'm using an embedded Derby database to unit test my service-layer using JUnit. This works fine when I run the tests in Eclipse or using Maven. But if I try to run the tests in the Eclipse debugger, the tests crash because of an…
Raedwald
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What is wrong with the following code? It related to EclipseLink 2.1, JPA and Derby

following is an excerpt from my entity class public class PartyRole implements Serializable { @Id @GeneratedValue(generator = "IDGenerator", strategy = SEQUENCE) @SequenceGenerator(name = "IDGenerator", sequenceName = "IDGenerator", allocationSize =…
A j
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Container-managed persistence contexts: transaction-scoped vs. extended - how to decide?

There's a lot of technical "blurp" out on the Internet, books and elsewhere where you can read a lot about how to setup container-managed persistence contexts etc., but none of the sources I've found deal with the much more difficult question: How…
Kawu
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ClassCastException with GWT/RequestFactory on WebLogic

I'm setting up a GWT application based on GWT/RequestFactory on client side, and JPA/EclipseLink over WebLogic on server side. However, during development, everytime I change something on the server-side code (it can be an entity, the DAO, or even a…
foch
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JPA + StoredProcedureCall + object type IN parameter

I'm trying to do a simple thing: call stored procedure which have a object type parameter. This is what I have in db: create or replace TYPE TEST_TYPE AS OBJECT ( test_field varchar(100) ) and CREATE OR REPLACE PROCEDURE TEST_PROC ( PARAM1 IN…
czajah
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derby persistence.xml

What should be the property statement regarding the derby client driver in the persistence.xml e.g : When tyring to update the DB from Java I keep getting the exception…
dubi
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jpa libraries in Eclipse Indigo SR1

The Eclipse Indigo SR1 (on windows XP) has File/new/JPA project template etc. I see some 9 persistence .jar-s under eclipse/Plugins directory( i did download of Eclipse and unzipped the eclipse , then ran it) . yet project/java build…
dubi
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Flexible marshalling with JAXB

I'm hoping to have a flexible way of marshalling objects. A verbose version for single objects and a less-verbose version for multiple object versions. For example, consider my department model: GET /locations/1:
craig
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EJB3 on Weblogic 10 - Timeout on first DB access

I have an EJB3 application which I deploy on various environments, namely Weblogic 10 for Windows with Apache webserver and Weblogic 10 for Linux with IIS webserver. I'm using EclipseLink as a persistence layer. The DB is always Oracle 9.2 on…
Alessandro
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Does Eclipselink support queries containing regular expression?

I've seen that DBMS like MySQL supports query containing regular expressions. Does Eclipselink support this? I have to retrieve entities having some String attribute matching some regular expression as SELECT X FROM Person X WHERE X.name
Naveed S
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Spring, Websphere, JMS and Eclipselink Issue

I have an application that runs inside of Websphere, and I am having an issue with persisting JPA entities. Previously, the application was setup with RESOURCE_LOCAL persistence units, with the Spring JpaTransactionManager, and transactions that…
noplay
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JPQL Native Query using SUM and COUNT

I am trying to run the following code: public BigDecimal valuate(String searchTerms, String categoryPath) { Query query = em.createNativeQuery("SELECT SUM(maxBidAmount) / COUNT(maxBidAmount) FROM Item WHERE MATCH(title) AGAINST(':searchTerms')…
Kevin
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How can I tell connection pool utilization in eclipselink

I am working on a eclipseLink backed project, I want to use internal connection pool with EclipseLink, but I don't know how can I see it really working before it goes online. I think I should enable logging for EclipseLink but I don't know what am I…
Lopakhin
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JAXB-ElipseLink: Preventing marshalling of inherited property

Again i am having an EclipseLink 2.3 marshalling-usecase that seems to be quite trivial but not working as expected: I have an abstract base class which defines a property getX(). I have several child-classes derived from this base-class that…
quaylar
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