MappedSuperClass « Map « JPA Q&A

1. java.lang.NoClassDefFoundError: org/hibernate/mapping/MappedSuperclass stackoverflow.com

Again, I am new to JPA & Hibernation. I am trying to use JPA technology in my web app. With the help of stackoverflow users, I have cleared many errors. With ...

2. @ManyToMany in an abstract MappedSuperclass stackoverflow.com

I'm having the following design for my hibernate project:

@MappedSuperclass
public abstract class User {
    private List<Profil>    profile;

    @ManyToMany (targetEntity=Profil.class)
    public ...

3. Override CollectionTables in MappedSuperclass?? forum.hibernate.org

Newbie Joined: Fri Feb 05, 2010 11:34 pm Posts: 7 Is there a way to do this with JPA 2.0? I have multiple entities subclassing a MappedSuperclass. I can use dynamically generated orm.xml documents (as below) to assign database tables to my entities. However, these entities have ElementCollections and associated CollectionTables. How can I assign the collection table names? The example ...

4. Problem with Inheritance + MappedSuperClass + nullable forum.hibernate.org

javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Could not execute JDBC batch update at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1235) at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1168) at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1174) at org.hibernate.ejb.AbstractEntityManagerImpl.flush(AbstractEntityManagerImpl.java:794) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:240) at $Proxy43.flush(Unknown Source) at com.test.jpa.GenericRepository.flush(GenericRepository.java:15) at com.test.MyTest.MyTest(MyTest.java:116) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:81) at org.testng.internal.MethodInvocationHelper$1.runTestMethod(MethodInvocationHelper.java:177) at org.springframework.test.context.testng.AbstractTestNGSpringContextTests.run(AbstractTestNGSpringContextTests.java:158) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.testng.internal.MethodInvocationHelper.invokeHookable(MethodInvocationHelper.java:189) at ...

5. Inheritance/Discriminator doesn't work on MappedSuperclass forum.hibernate.org

Hi, Is it possible with Hibernate3 to annotate table, inheritance and discriminator column in a MappedSuperclass (not an Entity)? Example: @MappedSuperclass @Table(name="A_TABLE") @Inheritance(strategy=InheritanceType.SINGLE_TABLE) @DiscriminatorColumn(name="TYPE", discriminatorType=DiscriminatorType.INTEGER) public abstract class A { ... public abstract getType() { ... } ... } @Entity @DiscriminatorValue("1111") public class B extends A { } @Entity @DiscriminatorValue("2222") public class C extends A { } This doesn't seem to ...