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From Michelle Caisse <Michelle.Cai...@Sun.COM>
Subject Re: embedded element problem
Date Wed, 17 Aug 2005 04:55:47 GMT
Hi Craig,

Thanks you for passing your eagle eye over these snippets.  I made the 
corrections in the orm (three places for Object, SimpleClass, and 
SimpleInterface), but I still get the same error.

-- Michelle

Craig Russell wrote:

> Hi Michelle,
>
> The jdo and schema look ok to me. The orm has typos "IntField" should  
> be "intField" and "StringField" should be "stringField". Don't know  
> if the NPE is expected or a more graceful error message should be  
> "Unable to find field named "IntField"; perhaps you meant  
> "intField"?". ;-)
>
> Craig
>
> On Aug 16, 2005, at 1:20 PM, Michelle Caisse wrote:
>
>> Hi,
>>
>> Does the metadata and schema below look okay?  I'm getting a  
>> NullPointerException.
>>
>> <jdo>
>> <package name="org.apache.jdo.tck.pc.fieldtypes">
>> <class name="CollectionCollections" identity-type="application"
>>    objectid- 
>> class="org.apache.jdo.tck.pc.fieldtypes.CollectionCollections$Oid">
>> ...
>> <field name="CollectionOfObject1" >
>> <collection element- 
>> type="org.apache.jdo.tck.pc.fieldtypes.SimpleClass" embedded- 
>> element="true">
>> </collection>
>> </field>
>> ...
>>
>> <orm>
>>    <package name="org.apache.jdo.tck.pc.fieldtypes">
>>        <class name="CollectionCollections"  
>> table="COLLECTION_COLLECTIONS">
>> ...
>>            <field name="CollectionOfObject1"
>>                   table="COLLECTION_OF_OBJECT1">
>>                <join column="IDENTIFIER"/>
>>                <element>
>>                  <embedded>
>>                    <field name="id" column="ID"/>
>>                    <field name="IntField" column="INTVAL"/>
>>                    <field name="StringField" column="STRINGVAL"/>
>>                  </embedded>
>>                </element>
>>            </field>
>> ...
>> CREATE TABLE COLLECTION_OF_OBJECT1
>> (
>>    IDENTIFIER INTEGER REFERENCES COLLECTION_COLLECTIONS NOT NULL,
>>    ID BIGINT NOT NULL,
>>    INTVAL INTEGER NOT NULL,
>>    STRINGVAL VARCHAR(128) NOT NULL
>> );
>>
>> test(org.apache.jdo.tck.models.fieldtypes.TestCollectionCollections) 
>> java.lang.NullPointerException
>>    at org.jpox.metadata.EmbeddedMetaData.populate 
>> (EmbeddedMetaData.java:121)
>>    at org.jpox.metadata.AbstractElementMetaData.populate 
>> (AbstractElementMetaData.java:165)
>>    at org.jpox.metadata.ElementMetaData.populate 
>> (ElementMetaData.java:82)
>>    at org.jpox.metadata.FieldMetaData.populate(FieldMetaData.java:736)
>>    at org.jpox.metadata.ClassMetaData.populate(ClassMetaData.java:725)
>>    at org.jpox.metadata.MetaDataManager.populateClassesInFile 
>> (MetaDataManager.java:636)
>>    at  
>> org.jpox.metadata.MetaDataManager.getFileMetaDataForUrlContainingClass 
>> (MetaDataManager.java:1186)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1269)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at  
>> org.jpox.metadata.MetaDataManager.getURLForPackageBasedMetaDataFileHol 
>> dingClass(MetaDataManager.java:1318)
>>    at org.jpox.metadata.MetaDataManager.loadMetaDataForClass 
>> (MetaDataManager.java:1147)
>>    at  
>> org.jpox.metadata.MetaDataManager.getMetaDataForClassOrInterface 
>> (MetaDataManager.java:387)
>>    at org.jpox.metadata.MetaDataManager.getMetaDataForClass 
>> (MetaDataManager.java:311)
>>    at  
>> org.jpox.AbstractPersistenceManager.hasMetaDataForPersistenceCapableCl 
>> ass(AbstractPersistenceManager.java:386)
>>    at org.jpox.AbstractPersistenceManager.assertPersistenceCapable 
>> (AbstractPersistenceManager.java:417)
>>    at org.jpox.AbstractPersistenceManager.internalMakePersistent 
>> (AbstractPersistenceManager.java:957)
>>    at org.jpox.AbstractPersistenceManager.makePersistent 
>> (AbstractPersistenceManager.java:1055)
>>    at  
>> org.apache.jdo.tck.models.fieldtypes.TestCollectionCollections.runTest 
>> (TestCollectionCollections.java:89)
>>    at  
>> org.apache.jdo.tck.models.fieldtypes.TestCollectionCollections.test 
>> (TestCollectionCollections.java:69)
>>    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.apache.jdo.tck.JDO_Test.runBare(JDO_Test.java:197)
>>    at org.apache.jdo.tck.util.BatchTestRunner.start 
>> (BatchTestRunner.java:128)
>>    at org.apache.jdo.tck.util.BatchTestRunner.main 
>> (BatchTestRunner.java:106)
>>
>> -- Michelle
>>
>
> Craig Russell
> Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
> 408 276-5638 mailto:Craig.Russell@sun.com
> P.S. A good JDO? O, Gasp!
>
>


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