Re: Error with nested class

Hi Robert,

could you please post the mapping and java source for class Country (I 
expect that this is the class which declares field 'publicationDates'?) too.

regards,
Armin

Robert Giddings wrote:
> Hi,
>  
> Can anyone tell me why I get this runtime exception when using OJB as
> the inner class is neither abstract nor an interface and has a no
> parameter default constructor. The inner class does extend an abstract
> class, but that doesn't seem to be a problem.
>  
> Thanks,
>  
> Robert Giddings
>  
> Caused by: org.apache.ojb.broker.metadata.MetadataException: Can't
> create nested
>  object of type 'class
> com.netcase.netspat.recordSystem.bo.Country$CountryDateSe
> t' for field 'publicationDates'
>         at
> org.apache.ojb.broker.metadata.fieldaccess.PersistentFieldDirectImpl.
> set(Unknown Source)
>         at
> org.apache.ojb.broker.accesslayer.RowReaderDefaultImpl.buildOrRefresh
> Object(Unknown Source)
>         at
> org.apache.ojb.broker.accesslayer.RowReaderDefaultImpl.readObjectFrom
> (Unknown Source)
>         at
> org.apache.ojb.broker.accesslayer.RsIterator.getObjectFromResultSet(U
> nknown Source)
>         at org.apache.ojb.broker.accesslayer.RsIterator.next(Unknown
> Source)
>         at
> org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(
> Unknown Source)
>         at
> org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(
> Unknown Source)
>         at
> org.apache.ojb.broker.core.QueryReferenceBroker.getCollectionByQuery(
> Unknown Source)
>         at
> org.apache.ojb.broker.core.PersistenceBrokerImpl.getCollectionByQuery
> (Unknown Source)
>         at
> org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionB
> yQuery(Unknown Source)
>         at
> org.apache.ojb.broker.core.DelegatingPersistenceBroker.getCollectionB
> yQuery(Unknown Source)
>         at
> com.netcase.database.DAOService.getObjectsByType(DAOService.java:41)
>         ... 21 more
> Caused by: java.lang.InstantiationException:
> com.netcase.netspat.recordSystem.bo
> .Country$CountryDateSet
>         at java.lang.Class.newInstance0(Class.java:335)
>         at java.lang.Class.newInstance(Class.java:303)
>         at org.apache.ojb.broker.util.ClassHelper.newInstance(Unknown
> Source)
>         ... 33 more
>