Re: [eclipselink-users] Object: null is not a known entity type

["Tim Hollosy" <hollosyt@xxxxxxxxx>]

I noticed you had CascadeType.ALL set, i wonder if you have a child set as null?

/tim

On Fri, Jun 13, 2008 at 10:17 AM, ageing student
<rsherman315@xxxxxxxxxxx> wrote:
>
> I've debugged up to the point where the EntityManager.remove is called and
> the entity is not null at that point. I'm just about to try debugging into
> the eclipselink code to see if I can work out what's happening. I.E. find
> what I've done wrong.
>
>
> Tim Hollosy wrote:
>>
>> Obvious question that has to be asked, is the entity you're trying to
>> remove null?
>>
>> /tim
>>
>> On Fri, Jun 13, 2008 at 10:04 AM, ageing student
>> <rsherman315@xxxxxxxxxxx> wrote:
>>>
>>> When trying to do a remove of an entity (Product detailed below) and its
>>> children I am getting the error.
>>>
>>>
>>> java.lang.IllegalArgumentException: Object: null is not a known entity
>>> type.
>>>        at
>>> org.eclipse.persistence.internal.jpa.EntityManagerImpl.remove(EntityManagerImpl.java:263)
>>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>        at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>        at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>        at
>>> org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:194)
>>>        at $Proxy31.remove(Unknown Source)
>>>        at
>>> uk.co.blueskyts.bizservices.product.product.ProductServiceBSImpl.deleteProduct(ProductServiceBSImpl.java:356)
>>>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>        at
>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>>>        at
>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>>>        at
>>> org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:310)
>>>        at
>>> org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:182)
>>>        at
>>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:149)
>>>        at
>>> org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:106)
>>>        at
>>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
>>>        at
>>> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
>>>        at $Proxy32.deleteProduct(Unknown Source)
>>>        at BSImplTest.testDeleteProduct(BSImplTest.java:172)
>>>
>>> @Entity
>>> public class Product implements Serializable{
>>>  @Id
>>>  @Column(nullable = false)
>>>  private String id;
>>>
>>>  @OneToMany(mappedBy = "product", fetch = FetchType.EAGER,
>>> cascade={CascadeType.ALL})
>>>  private List<ProductName> productNameList;
>>>
>>>  @OneToMany(mappedBy = "product", fetch = FetchType.EAGER,
>>> cascade={CascadeType.ALL})
>>>  private List<ProductData> productDataList;
>>> }
>>>
>>> @Entity
>>> @IdClass(ProductDataPK.class)
>>> public class ProductData implements Serializable{
>>>  @Id
>>>  @Column(nullable = false)
>>>  private String id;
>>>
>>>  @Id
>>>  @Column(name="PR_ID", nullable = false, insertable = false, updatable =
>>> false)
>>>  private String prId;
>>>
>>>  @ManyToOne
>>>  @JoinColumn(name = "PR_ID", referencedColumnName = "ID")
>>>  private Product product;
>>> }
>>>
>>>
>>> @Entity
>>> @IdClass(ProductNamePK.class)
>>> public class ProductName implements Serializable{
>>>  @Id
>>>  @Column(name="DISTBN_TECHNOLOGY_NO", nullable = false)
>>>  private Integer distbnTechnologyNo;
>>>
>>>  @Id
>>>  @Column(name="LOCALE_NO", nullable = false)
>>>  private Integer localeNo;
>>>
>>>  @Column(nullable = false)
>>>  private String name;
>>>
>>>  @Id
>>>  @Column(name="PR_ID", nullable = false, insertable = false, updatable =
>>> false)
>>>  private String prId;
>>>
>>>  @ManyToOne
>>>  @JoinColumn(name = "PR_ID", referencedColumnName = "ID")
>>>  private Product product;
>>> }
>>> --
>>> View this message in context:
>>> http://www.nabble.com/Object%3A-null-is-not-a-known-entity-type-tp17824204p17824204.html
>>> Sent from the EclipseLink - Users mailing list archive at Nabble.com.
>>>
>>> _______________________________________________
>>> eclipselink-users mailing list
>>> eclipselink-users@xxxxxxxxxxx
>>> https://dev.eclipse.org/mailman/listinfo/eclipselink-users
>>>
>>
>>
>>
>> --
>> ./tch
>> _______________________________________________
>> eclipselink-users mailing list
>> eclipselink-users@xxxxxxxxxxx
>> https://dev.eclipse.org/mailman/listinfo/eclipselink-users
>>
>>
>
> --
> View this message in context: http://www.nabble.com/Object%3A-null-is-not-a-known-entity-type-tp17824204p17824489.html
> Sent from the EclipseLink - Users mailing list archive at Nabble.com.
>
> _______________________________________________
> eclipselink-users mailing list
> eclipselink-users@xxxxxxxxxxx
> https://dev.eclipse.org/mailman/listinfo/eclipselink-users
>



-- 
./tch