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mujer_esponja
 Post subject: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Thu May 12, 2011 7:51 am 
Newbie

Joined: Wed Dec 29, 2010 8:58 am
Posts: 10
Hello, I don't understand this error, because Boolean is a java class, so I guess it is not necesarry to map. Anyway here I add my code:
TaskAssignationState
Code:
protected Map<User, Boolean> usersState;
@ManyToMany
   @JoinTable(name = "user_state_task_assignation",
          joinColumns=@JoinColumn(name="assignation_state"),
            inverseJoinColumns=@JoinColumn(name="username"))   
    @MapKeyJoinColumn(name="state")
    public Map<User, Boolean> getUsersState() {
        return usersState;
    }
    public void setUsersState(Map<User, Boolean> usersState) {
        this.usersState = usersState;
    }


User

Code:
@ManyToMany(
    cascade={CascadeType.ALL},   
    mappedBy = "userState",
    fetch=FetchType.LAZY
   )
   public List<TaskAssignationState> getTaskAssignationState() {
      return taskAssignationState;
   }

   public void setTaskAssignationState(List<TaskAssignationState> taskAssignationState) {
      this.taskAssignationState = taskAssignationState;
   }


Then, the exception:

Quote:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in class path resource [applicationContext-dao.xml]: Invocation of init method failed; nested exception is org.hibernate.AnnotationException: Use of @OneToMany or @ManyToMany targeting an unmapped class: com.path.TaskAssignationState.usersState[java.lang.Boolean]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1412)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:546)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:872)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:423)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.junit.runners.BlockJUnit4ClassRunner.createTest(BlockJUnit4ClassRunner.java:202)
at org.junit.runners.BlockJUnit4ClassRunner$1.runReflectiveCall(BlockJUnit4ClassRunner.java:251)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at org.junit.runners.BlockJUnit4ClassRunner.methodBlock(BlockJUnit4ClassRunner.java:248)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)


I tryed to map the Boolean class on hibernate.cfg.xml, but no success. Why could it happen?? Thanks in advance
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hardy.ferentschik
 Post subject: Re: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Thu May 12, 2011 9:23 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
You are using the wrong annotation. @ManyToMany is between entities. @ElementCollection seems what you are after, but that only works if User is an Embeddable. If User is an entity you cannot map it in JPA/Hibernate.
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mujer_esponja
 Post subject: Re: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Thu May 12, 2011 11:01 am 
Newbie

Joined: Wed Dec 29, 2010 8:58 am
Posts: 10
But User is an entity which is referenced by any others in the model, would it make any problem to these relations?
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mujer_esponja
 Post subject: Re: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Fri May 13, 2011 3:03 am 
Newbie

Joined: Wed Dec 29, 2010 8:58 am
Posts: 10
As you say User is an entity, so I can not map it in the way I want and I explained. So how could I make this mapping?? Could you tell me an alternative solution please??
I need somehow to have a structure like <User, Boolean>, to know if one User is active or not, just this flag. But I will have several Users, so I need a kind of map or array.
Thanks
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hardy.ferentschik
 Post subject: Re: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Fri May 13, 2011 4:12 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
You could have the user state part of the User? Wouldn't this make sense anyways. But of course it depends on your usecase.
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mujer_esponja
 Post subject: Re: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Fri May 13, 2011 6:05 am 
Newbie

Joined: Wed Dec 29, 2010 8:58 am
Posts: 10
No, because I need an intermediate entity to keep the history.
My usercase:
Task 1---* TaskHistory *---* User

Then, in TaskHistory I want to have a map with several users containing if they have the task active or not.
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hardy.ferentschik
 Post subject: Re: targeting an unmapped class: [java.lang.Boolean]
PostPosted: Fri May 13, 2011 6:09 am 
Hibernate Team
Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden
Make out of the Boolean an entity, eg TaskState
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