jpa
Could not open JPA EntityManager for transaction in Spring Test
I have a java project using Spring 3.0 , JPA 2.0 with MyEclipse IDE Trying to convert some basic dao integration tests to spring and have run into a few issues. Here\'s my setup:[详细]
2023-04-12 22:08 分类:问答Connection problems with EJB, JPA and Eclipse
I have made a really simple Employee class just for learning purposes. I have made a JDBC resource and connection pool in Glassfish and added the JPA Facet to my Eclipse project. I am now just trying[详细]
2023-04-12 20:27 分类:问答Need a code-generation tool for entities' DAO's [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]
2023-04-12 19:11 分类:问答JPA. Transaction problems while migrating from Hibernate to Eclipselink
Standard Java EE environment: JPA + EJB called from JSF beans. Server: glassfish 3.1.1 Code which is developed, tested and deployed with Hibernate as JPA provider, refuses to persist entities with Ec[详细]
2023-04-12 16:28 分类:问答How to audit JPA without Hibernate Envers
I need to make an audit module to my Java Web App. I use EclipseLink, not Hibernate (can\'t use Envers). I searched a lot some way to get the SQL or JPQL that JPA is executing, so I could log somethin[详细]
2023-04-12 15:12 分类:问答Can't clear a list of related entity beans from an entity bean
I\'m trying to run the code below, but I keep getting the error \"Cannot merge an entity that has been removed\".[详细]
2023-04-12 14:46 分类:问答JPA @Inheritance(strategy = InheritanceType.JOINED): Missing class for indicator field value
Is it possible to have a default imple开发者_运维知识库mentation when no class is provided for an indicator field value for not raising this exception?[详细]
2023-04-12 13:52 分类:问答JPA, Spring and ObjectDB not updating
I am quite a newbie to Spring JPA in cooperation with ObjectDB database, but I have encountered a problem that I cannot work out.[详细]
2023-04-12 12:49 分类:问答JQPL: Create new Object within the Query from multiple tables
I\'m currently trying to fetch data with JQPL. My Query looks like SELECT NEW com.test.CustomObject(t1.name, CASE WHEN(t2 IS 开发者_C百科NOT NULL) THEN true ELSE false END) FROM table1 t1, table2 t2[详细]
2023-04-12 11:15 分类:问答JPA - createEntityManagerFactory returns Null
Noob question here. I\'m following this example/tutorial to try and isolate a problem I keep getting on my main project. Problem is, the entityManagerFactory keeps returning null (thus, I get a NullPo[详细]
2023-04-12 11:07 分类:问答