[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5901) transient fields are persisted

[Frank Griffin (JIRA)]

transient fields are persisted
------------------------------

                 Key: HHH-5901
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5901
             Project: Hibernate Core
          Issue Type: Bug
          Components: entity-manager
    Affects Versions: 3.6.0
         Environment: JBoss 6.0.0.Final using Hypersonic
            Reporter: Frank Griffin
         Attachments: DBUtDVDTitleEntityBean.java

This is virtually identical to ANN-132, which was marked as FIXED in 3.1.

The attached entity bean (DBUtDVDTitleEntityBean) has a "private transient Object oDisks" field.  The field is not annotated as @Transient, and the orm.xml does not have a <transient> (or any other) element for the field.  

According to spec, the "transient" java attribute should exempt it from persistence.  However, if you deploy the EAR containing this Entity Bean, the error
{noformat}
Caused by: org.hibernate.MappingException: property mapping has wrong number of columns: org.profsoftsvcs.dbutils.DVD.DBUtDVDTitleEntityBean.disks type: object
        at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:464) [:3.6.0.Final]
        at org.hibernate.mapping.RootClass.validate(RootClass.java:235) [:3.6.0.Final]
        at org.hibernate.cfg.Configuration.validate(Configuration.java:1332) [:3.6.0.Final]
        at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1835) [:3.6.0.Final]
        at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:902) [:3.6.0.Final]
{noformat}

results.  If I change the type "Object" to "Serializable", the error does not occur.  However, the fact that "Object" is not Serializable shouldn't matter if the field isn't being persisted.

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