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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.

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Hibernate ok, but ElipseLink fails with: the attribute [x] of class [Y] is mapped to a primary key column in the database updates not Allowed

I have a very simple console-based (not application-server-deployed) JPA program which I test against both EclipseLink and Hibernate providers. All the code is JPA so I figured I'd be able to switch providers without a problem. However the program…
Marcus Junius Brutus
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"is not a known entity" error from EclipseLink

I'm seeing a strange behavior in Weblogic (10.3.3) when using EclipseLink (2.0.2). Here is what I do. I use Maven to compile a project in which I use JPA (1.0.2). In this project, module "A" depends on module "B". "B" contains a bunch of Entities (…
Amir Keibi
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Integrate elasticSearch with EclipseLink

I have to implement a tool which allows me to search in my database. So, I have been looking for something and I met with with elasticSearch. It supposed this tool works fine with eclipselink, but I could not find any good tutorial or documentation…
Ignacio Giagante
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JPA, compound key with foreign keys + persist oneToMany

I'm trying to do something with JPA that'll use a lot on a project but I'm stuck. I have 2 entities + a kind of "glue" entity, I'll call them ClassA ClassB Glue I want to add a new ClassA with new Glues set in it's list, ClassB's already…
Alexandre Jacob
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Spring framework Tomcat LoadTimeWeaving

I am using tomcat as my webserver and would like to use the fetch = FetchType.lazy annotation for all my @OneToOne annotations but spring reverts my lazy settings give me eclipselink warnings : Reverting the lazy setting on the OneToOne or ManyToOne…
Warz
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Adding the latest EclipseLink version to a Netbeans project?

I am developing JSF applicationi with JPA using EclipseLink as the persistence provider using Netbeans. The default version of EclipseLink is 2.0 with Netbeans 7.1, but I badly need the new addition of create-or-extend-tables for…
Buddhika Ariyaratne
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@OneToMany relation when target has a composite key?

Hi i want to have a one to many relation for one of my projects, but the List is never populated. I have a parent source class @Entity @Inheritance(strategy=InheritanceType.TABLE_PER_CLASS) public class ParentJob { @Id @Column(name = "ID") int…
tobi.b
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Invalid insert order when use @Inheritance JPA attribute

I have Eclipselink persistence provider tuned on DB2 DB. Where is 3 tables which simplified definition are listed below: CREATE TABLE root ( id CHAR(32) NOT NULL PRIMARY KEY, rec_type VARCHAR(20) ); CREATE TABLE derived ( id…
user641652
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How to limit memory usage of JPA Batch queries?

I'm currently using JPA (Eclipse link) batch queries to read an object from the database. Each object has several sub-collections, also reflected via JPA. I use batch queries for the performance they offer, however there is a downside (perhaps…
Rich
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Unmarshalling nested collection via @XmlPath MOXy annotation

Given the following XML structure: x
... 1 2 3 …
Thilo-Alexander Ginkel
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Can Spring Security 3.1 use EclipseLink persistence unit?

I'm using Spring Security 3.1 with Spring 3.2 and with EclipseLink JPA. I'm configuring Spring Security to use users and groups from a MySQL database. All the Spring documentation and tutorials says to use …
Tim
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EclipseLink JPA Object is not a known entity type

I have a strange problem with eclipseLink and an object which I want to persist. I have one Object (KeypointListImpl) that stores another object KeypointImpl in a List. Persisting a keypointImpl objects works great but if I try to persist a…
Hans Sperker
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JPA 2.0 Eclipselink OrderColumn support

I was reading over the docs regarding Eclipselink's support for @OrderColumn. It looks like this only applies to List and not Set. The reason I ask is because I have a ManyToMany bi-directional relationship (using a join table) which is a Set and is…
NBW
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EclipseLink and Spring 3 Web MVC: how should I integrate both technologies?

I'm currently learning EclipseLink and Spring 3.0 MVC: I wrote a simple standalone application using EclipseLink : it uses a META-INF/persistence.xml file and it reads and writes data from a mysql database. I also wrote a simple 'HelloWorld'…
Pierre
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Eclipselink not saving update to a field inside an Entity

I am using Eclipselink and I have a JPA Entity that is basically a byte array of gzipped data stored as a blob in the database. However, this data is wrapped in a class that manages the byte array and can decode it correctly (GzipByteArray). I used…
David I.
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