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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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Disable eclipselink caching and query caching - not working?

I am using eclipselink JPA with a database which is also being updated externally to my application. For that reason there are tables I want to query every few seconds. I can't get this to work even when I try to disable the cache and query cache.…
James
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JPA in Java SE vs Java EE performance

I'm using JPA/Eclipselink in Java SE (Oracle Java 7) and Java EE (Websphere Liberty) environments. I have a component which is called from both Java SE and Java EE (by component I mean the same source code), which executes JPA queries. (the Java SE…
krisy
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java.lang.NoSuchMethodError: org.springframework.beans.BeanUtils.findPropertyForMethod

I am getting below error while trying to configure spring data in my applciation. I am using spring data and EclipseLink, along with spring-security and oauth2. SEVERE: Exception sending context initialized event to listener instance of class…
hutututu
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Java JPA - Inner Join Query doesn't work

I'm currently having an issue using Java JPA with EclipseLink - this query: SELECT VAR_INPUT.* FROM VAR_INPUT INNER JOIN TYPE_VAR_INPUT ON VAR_INPUT.ID_TYPE_VAR_INPUT = TYPE_VAR_INPUT.ID_TYPE_VAR_INPUT WHERE…
Gaëtan Rouziès
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Mapping ElasticSearch results to JPA Entities using JEST

I'm implementing a search function in my application, where I'm searching for records that are in my database. I'm using ElasticSearch for this and I know that I will have to keep the database and the indices in sync. I'll take care of that on the…
Gustavo Maia
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JPA - Retrieve all Entity Classes

I need to have a List of clasess that are Persistence Entities, I need have Entity Information, using Reflection API of JPA I have the EntityManager, But I do not know if that is the way. I want to do a generic logging for my Entities using a…
jrey
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Internal server error upon returning JPA entity with XML annotations

I have made a simple CRUD app for learning purposes that uses webservices (with jersey), EJBs and JPA (eclipse link + mysql). I've at first obviously made an entity class called User and tried to return it, after searching for it for example by ID…
LookingForKnowledge
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Exclude Field in Class from JPA

I have an entity in JPA. I recently added a field to my entity. I do not want this field to be persisted. However, Eclipselink is complaining about it not being in the table (which it obviously isnt). How can I exclude this class from be looked at…
user489041
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insert and get Query for Time as AM/PM in JPA using java

This is the question OR SELECT TIME_FORMAT( `locStart`, '%h:%i %p' ) FROM locationtimes. How could i achieve it using JPA These are my Database Table entries My java Entity class package models; package models; import util.MyConverter; import…
Ashish Ratan
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JPA: will em.clear() after em.flush() change transactional semantics?

In JPA, is it guaranteed that the transactional semantics (=effects from the database point of view) of the following snippets are identical? Snippet A EntityManager em = ... List workList = ... for(Work work : workList) { doWork(work);…
MRalwasser
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The state field path 'e.id' cannot be resolved to a valid type. Dynamic entity in orm.xml,

This simple SINGLE_TABLE inheritance hierarchy somehow fails when my application tries to access the inheriting entity RootFolderNode. The entities are defined as dynamic entities access="VIRTUAL", without a Java class backing. The PersistenceUnit…
leo
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Migrate from native to EclipseLink persistence

My application is using Spring 2.5, and native TopLink 10g. I want to migrate my application from native TopLink to EclipseLink. Currently each DAO in my application extends TopLinkDaoSupport.java (in Spring 2.5), in order to use the #getSession()…
Sunny
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Internal Exception: java.sql.SQLSyntaxErrorException: ORA-00972: identifier is too long

i develop an application with swing i habe a database with few tables; these Tables are connected with foreign key When I try to run this application , i have the error; Exception in thread "AWT-EventQueue-0" javax.ejb.EJBException: EJB…
Doni
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JPA left outer join using CriteriaBuilder results in error: Partial object queries are not allowed to maintain the cache or be edited

I have the following entity relationships Product @Entity @Table(name="PRODUCTS") public class Product @Id @Column(name="product_id") private long productId; @ManyToOne @JoinColumn(name="EMP_NUMBER") private Employee employee3;…
Jacob
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Lucene integration with EclipseLink

I am trying to use Lucene with EclipseLink, and was wondering if there are any good integration libraries out there? I have seen solar-flare, and it looks lime it might do what I want, but it's out of date (although i have an older version of…
user2524574
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