useless stacktrace
------------------
Key: HIBERNATE-104
URL:
https://jira.jboss.org/jira/browse/HIBERNATE-104
Project: Hibernate
Issue Type: Bug
Environment: jboss-4.2.2.GA, linux 32bit
Reporter: arne anka
Assignee: Steve Ebersole
when trying
entityManager.merge(myUser);
entityManager.flush();
i get a very long list of recurrent stacktraces. it boils down to two messages:
Caused by: org.hibernate.PropertyAccessException: IllegalArgumentException occurred
calling getter of my.class.roleId
at
org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:171)
at
org.hibernate.tuple.entity.AbstractEntityTuplizer.getIdentifier(AbstractEntityTuplizer.java:183)
at
org.hibernate.persister.entity.AbstractEntityPersister.getIdentifier(AbstractEntityPersister.java:3591)
at
org.hibernate.persister.entity.AbstractEntityPersister.isTransient(AbstractEntityPersister.java:3307)
at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:181)
at
org.hibernate.engine.ForeignKeys.getEntityIdentifierIfNotUnsaved(ForeignKeys.java:218)
at org.hibernate.type.EntityType.getIdentifier(EntityType.java:397)
at org.hibernate.type.EntityType.replace(EntityType.java:253)
at org.hibernate.type.CollectionType.replaceElements(CollectionType.java:451)
at org.hibernate.type.Collecti
14:46:07,362 INFO [STDOUT] onType.replace(CollectionType.java:518)
at org.hibernate.type.TypeFactory.replace(TypeFactory.java:482)
at
org.hibernate.event.def.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:340)
at
org.hibernate.event.def.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:267)
at
org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:120)
at
org.hibernate.event.def.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:53)
at org.hibernate.impl.SessionImpl.fireMerge(SessionImpl.java:677)
at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:661)
at org.hibernate.impl.SessionImpl.merge(SessionImpl.java:665)
at org.hibernate.ejb.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:227)
... 74 more
and
Caused by: java.lang.IllegalArgumentException: java.lang.ClassCastException@661744
at sun.reflect.GeneratedMethodAccessor2266.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at
org.hibernate.property.BasicPropertyAccessor$BasicGetter.get(BasicPropertyAccessor.java:145)
... 92 more
the property my.class.roleId is defined as Integer, setter and getter expect or return an
Integer.
i can't see, what type hibernate expects as argument and i can't see in what type
hibernate tries to cast.
- why does the stacktrace not mention the argument type hibernate expects?
- why does the stacktrace not mention in which type hibernate tries to cast?
with it's current level of null-information ist that _very_ long, confusing and time
consuming stacktrace worse then useless.
i am completely unable to deduce any way to remedy a possible bug in my code or circumvent
a possible bug in hibernate.
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