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

["Tim Hollosy" <hollosyt@xxxxxxxxx>]

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;
> }
> --
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> Sent from the EclipseLink - Users mailing list archive at Nabble.com.
>
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>



-- 
./tch