I\'m having trouble getting an application running on Jetty. If I run the app using the maven jetty plugin i.e.
i have the following situation: In the dao class: ... Query q = em.createNamedQuery(\"myQuery\"); q.setPa开发者_如何学运维rameter(\"attr\", \"value\");
Tomcat/Struts2/JPA2(EclipseLink)/MySql I have several differen开发者_StackOverflow中文版t entities that are exhibiting an intermittent problem and I am puzzled.
I have two entities, User and UserSetting. The obvious relationship between these two has User as the first rate entity which contains a set / list of UserSettings so when a User is loaded the setting
I have two tables like this PERSON||EMPLOYEE| |id|fullName|| personId | code | EMPLOYEE.personId is a primary key as well as foreign key pointing to PERSON.id
I have 2 JPA entities that have a bidirectional relationship between them. @Entity public class A { @ManyToOne(cascade={CascadeType.PERSIST, CascadeType.MERGE})
I have a JPQL like this one: select distinct d from Depart开发者_如何学运维ment d left join fetch d.employees
I just want to ask, how to prove that hibernate is doing lazy loading . I have code like this : And I try to test lazy loading in hibernate (jpa) with this code :
I create a hibernate project with \'hibernate tools\'provide by JBoss to Eclipse. Generated the Entities (POJO\'s) and then the DAO\'s.
This doesn\'t work -- I always get the IllegalArgumentException thrown with the advice to \"try merging the detached and try the remove again.\"
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