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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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JPA Criteria count + isMember generates wrong sql

I'm trying to build the following query with JPA Criteria API (Eclipselink): final CriteriaBuilder qb = this.em.getCriteriaBuilder(); final CriteriaQuery cq = qb.createQuery(Long.class); final Root problem =…
Andrei F.
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Why do subqueries with nested properties in EclipseLink always produce an unnecessary/redundant/duplicate/superfluous join?

I wanted to generate the following SQL through EclipseLink (2.6.1) JPA criteria. SELECT zonecharge0_.charge AS col_0_0_ FROM projectdb.zone_charge zonecharge0_ WHERE ( EXISTS ( SELECT …
Tiny
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Can I use Eclipselink Moxy marshalling with delimitted files?

I am using POJO un/marshalling via JAXB and EclipseLink MOXy and it works great for to/from JSON notation. I also have a need to process a CSV file (well actually a pipe-delimited file, what do they call that?) where each row gets unmarshalled into…
Alan Jurgensen
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Reading object a second time using JPA doesn't update it

I have a small web application; a reduced runnable version of it is below. On every http request, I read an object, every time the same, from the database and use it to show the page's content. On the first request after publishing to Glassfish,…
Silly Freak
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eclipselink error on multithreaded environment

I am using the latest eclipselink (2.5.2) on a multithreaded environment using ThreadLocal to guarantee each thread uses its own entity-manager and I am getting the exception below. Googling through the internet I realized it happened in ver 2.3 on…
DanielM
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Eclipselink going to wrong database platform

While trying to run a JPA application, I get: [EL Fine]: 2014-07-09 16:55:52.532--Thread(Thread[http-bio-8080-exec-6,5,main])--Detected database platform: org.eclipse.persistence.platform.database.HSQLPlatform Which is NOT the correct platform.…
Scaddenp
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eclipseLink 2.5.1 static weaving NoSuchMethodError

I am using EclipseLink 2.5.1 on Tomcat 8. Tried to static weave jars, but got error at run time. java.lang.NoSuchMethodError: mypackage.Employee._persistence_checkFetchedForSet(Ljava/lang/String;)V at…
Dave
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Select with JOINED Inhertiance leads to no results

maybe I am overlooking something crucial when working with JPA/EclipseLink (Postgresql 9.2) and InheritanceStrategy.JOINED but this does not make sense to me. I have a Hierarchy like this: @Entity @Inheritance(strategy =…
drame
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Glassfish to wildfly migration (from Eclipse link to Hibernate) : LazyInitializationException

I had a web app that run fine on Glassfish 4 and I am migrating it to Wildfly. I get : 15:19:28,802 ERROR [io.undertow.request] (default task-33) UT005023: Exception handling request to /dvd_store/movie.xhtml: javax.servlet.ServletException:…
Mr_and_Mrs_D
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How to handle Oracle Store Procedure call with Oracle Types as input or output using EclipseLink

I doing a Proof Of Concept to figure out how efficient to call a store procedure using EclipseLink. I was able to call oracle store procedure using EclispeLink with Scalar/primitive data types (link Integer, varchar etc). I wanted to understand how…
MAK
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JPA cache not invalidated

I am developing an application using Eclipse IDE, EclipseLink, JPA and MySQL. During the initial launch of the app, I need to delete a table's content. However, after deletion the application, making a new connection, still reads the old data from…
sebi
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"NOT IN `subquery`" statement with JPA Criteria API

I'm using JPA in my Java EE application and the Criteria API to query my database (PostgreSQL). I implemented a tree as a Closure Table ans I'm trying to get the root nodes. Here's my schema (useless fields omitted): NeedsTreev2 : id …
Unda
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Using XSLT with JAXB

I have a JAX-RS web service (Jersey) that uses Eclipselink (MOXy to access some records in a DB then marshall those to XML and send back to the user in the response to the request. The problem that I have is that the user wants a different format to…
Adam Rice
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Navigation method/s in criteria fetch joins in JPA 2.1

While using fetch joins in JPA criteria, there is no navigation method can be seen. Given below an example. Root root = criteriaQuery.from(entityManager.getMetamodel().entity(UserTable.class)); Fetch fetch =…
Tiny
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JPA Transparent Indirection and Container Policies

Suppose I have the following simple Customer/Order implementation: A record of customers defined by a Customer class. Each customer can have multiple orders defined by an Order class. Drawing on the explanation of Transparent Indirection from here…
user3337410
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