[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2644) hbm2ddl.auto creates nullable column for primitive boolean on Derby database
hbm2ddl.auto creates nullable column for primitive boolean on Derby database
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Key: HHH-2644
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2644
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.0.ga
Environment: Hibernate 3.2,
Derby 10.2.20
Reporter: Noel Grandin
Priority: Minor
I have
hibernate.hbm2ddl.auto=update
and I have an existing database with existing tables.
I updated one of the domain objects to have a new boolean field.
When I started my app, it failed when it tried to load the domain object, with the
following stacktrace:
[0@15:39:41.551] !SE>: org.hibernate.PropertyAccessException: could not set a field
value by reflection setter of peralex.grj8000.datastore.SweepJamBand.selected
at
org.hibernate.property.DirectPropertyAccessor$DirectSetter.set(DirectPropertyAccessor.java:82)
at
org.hibernate.tuple.entity.AbstractEntityTuplizer.setPropertyValues(AbstractEntityTuplizer.java:337)
at
org.hibernate.tuple.entity.PojoEntityTuplizer.setPropertyValues(PojoEntityTuplizer.java:200)
at
org.hibernate.persister.entity.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:3514)
at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:129)
at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:842)
at org.hibernate.loader.Loader.doQuery(Loader.java:717)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)
at org.hibernate.loader.Loader.loadCollection(Loader.java:1985)
at org.hibernate.loader.collection.CollectionLoader.initialize(CollectionLoader.java:36)
at
org.hibernate.persister.collection.AbstractCollectionPersister.initialize(AbstractCollectionPersister.java:565)
at
org.hibernate.event.def.DefaultInitializeCollectionEventListener.onInitializeCollection(DefaultInitializeCollectionEventListener.java:60)
at org.hibernate.impl.SessionImpl.initializeCollection(SessionImpl.java:1716)
at
org.hibernate.collection.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:344)
at
org.hibernate.collection.AbstractPersistentCollection.read(AbstractPersistentCollection.java:86)
at org.hibernate.collection.PersistentSet.iterator(PersistentSet.java:163)
at peralex.client.control.Control.loadSelectedLibrary(Control.java:334)
Caused by: java.lang.IllegalArgumentException
at
sun.reflect.UnsafeBooleanFieldAccessorImpl.set(UnsafeBooleanFieldAccessorImpl.java:62)
at java.lang.reflect.Field.set(Field.java:656)
at
org.hibernate.property.DirectPropertyAccessor$DirectSetter.set(DirectPropertyAccessor.java:79)
... 36 more
When I looked in the database, I noted that the table had been incorrectly updated with a
nullable column for the new field.
Using my debugger I confirmed that Hibernate was attempting to load a "null"
value into a primitive boolean field.
I worked around this by specifying
@Column(columnDefinition="smallint not null default 0" )
private boolean selected;
on my new field.
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