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From "Helen Xu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OPENJPA-2233) Failed to invoke pcGetIDOwningClass method on embeddable entity with ID annotation
Date Tue, 17 Jul 2012 20:54:35 GMT

     [ https://issues.apache.org/jira/browse/OPENJPA-2233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Helen Xu updated OPENJPA-2233:
------------------------------

    Attachment: OPENJPA-2233.patch

double checked the persistence spec, the Identity field is not supported in embeddable entity.


Changed the code to check that condition before invoke pcGetIDOwningClass. Log the user error
as well.
                
> Failed to invoke pcGetIDOwningClass method on embeddable entity with ID annotation
> ----------------------------------------------------------------------------------
>
>                 Key: OPENJPA-2233
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2233
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: Enhance
>    Affects Versions: 2.0.1, 2.1.0, 2.2.0, 2.3.0
>            Reporter: Helen Xu
>            Assignee: Helen Xu
>         Attachments: OPENJPA-2233.patch
>
>
> It failed to invoke pcGetIDOwningClass method on an embeddable entity which has the ID
annotation. here is the exception:
> java.lang.NoSuchMethodError: com/xxx/xxx/entity/MyClass.pcGetIDOwningClass()Ljava/lang/Class;
> at com.xxx.xxx.entity.MyClass.pcNewObjectIdInstance(MyClass.java)
> at org.apache.openjpa.enhance.PCRegistry.newObjectId(PCRegistry.java:137)
> at org.apache.openjpa.meta.MetaDataRepository.processRegisteredClass(MetaDataRepository.java:1661)
> at org.apache.openjpa.meta.MetaDataRepository.processRegisteredClasses(MetaDataRepository.java:1615)
> at org.apache.openjpa.meta.ClassMetaData.getPCSubclasses(ClassMetaData.java:365)
> at org.apache.openjpa.jdbc.meta.MappingRepository.findBaseClassMapping(MappingRepository.java:1510)
> at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:403)
> at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:736)
> at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:625)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:385)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:358)
> at org.apache.openjpa.meta.MetaDataRepository.resolveAll(MetaDataRepository.java:1923)
> at org.apache.openjpa.meta.MetaDataRepository.getQueryMetaDataInternal(MetaDataRepository.java:1901)
> at org.apache.openjpa.meta.MetaDataRepository.getQueryMetaData(MetaDataRepository.java:1888)
> at org.apache.openjpa.persistence.EntityManagerImpl.createNamedQuery(EntityManagerImpl.java:1013)
> This is because it uses different condition to add and invoke pcNewObjectIdInstance method
in PCEnhancer.
> here is the section it adds pcNewObjectIdInstance in PCEnhancer.addPCMethods
>             if (_meta.hasAbstractPKField() == true) { 
>                 addGetIDOwningClass();
>             }
> here is the section it invokes pcNewObjectIdInstance in PCEnhancer.addNewObjectIdInstanceMethod
>           if(_meta.isEmbeddedOnly() || _meta.hasAbstractPKField() == true) {
>                 code.aload().setThis();
>                 code.invokevirtual().setMethod(PRE + "GetIDOwningClass",
>                     Class.class, null);
>             } else {
>                 code.classconstant().setClass(getType(_meta));
>             }

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