[Hibernate-issues] [Hibernate-JIRA] Commented: (HBX-633) Reverse engineered VERSION columns cause ClassCastException

[Gabor K. (JIRA) <no...@at...>]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HBX-633?page=comments#action_22662 ] 

Gabor Kincses commented on HBX-633:
-----------------------------------

DDL and generated hbm.xml:

 Name                                      Null?    Type
 ----------------------------------------- -------- ----------------------------
 ITEM_ID                                   NOT NULL NUMBER
 SEQUENCE                                  NOT NULL NUMBER
 PRIORITY                                  NOT NULL NUMBER
 RETRY_COUNT                               NOT NULL NUMBER
 ENQUEUE_TIME                              NOT NULL NUMBER
 FLAGS                                              NUMBER
 TIME_CREATED                                       NUMBER
 VERSION                                            NUMBER
 FUNCTION_NAME                                      VARCHAR2(100)
 MESSAGE                                            BLOB

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated Mar 27, 2006 2:48:49 PM by Hibernate Tools 3.1.0.beta4 -->
<hibernate-mapping>
    <class name="org.foo.Foo" table="FOO">
        <composite-id name="id" class="org.foo.FooId">
            <key-property name="itemId" type="big_decimal">
                <column name="ITEM_ID" precision="22" scale="0" />
            </key-property>
            <key-property name="sequence" type="big_decimal">
                <column name="SEQUENCE" precision="22" scale="0" />
            </key-property>
        </composite-id>
        <version name="version" type="big_decimal">
            <column name="VERSION" precision="22" scale="0" />
        </version>
        <property name="priority" type="big_decimal">
            <column name="PRIORITY" precision="22" scale="0" not-null="true" />
        </property>
        <property name="retryCount" type="big_decimal">
            <column name="RETRY_COUNT" precision="22" scale="0" not-null="true" />
        </property>
        <property name="enqueueTime" type="big_decimal">
            <column name="ENQUEUE_TIME" precision="22" scale="0" not-null="true" />
        </property>
        <property name="flags" type="big_decimal">
            <column name="FLAGS" precision="22" scale="0" />
        </property>
        <property name="timeCreated" type="big_decimal">
            <column name="TIME_CREATED" precision="22" scale="0" />
        </property>
        <property name="functionName" type="string">
            <column name="FUNCTION_NAME" length="100" />
        </property>
        <property name="message" type="blob">
            <column name="MESSAGE" />
        </property>
    </class>
</hibernate-mapping>

> Reverse engineered VERSION columns cause ClassCastException
> -----------------------------------------------------------
>
>          Key: HBX-633
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-633
>      Project: Hibernate Tools
>         Type: Bug

>     Versions: 3.1beta4
>  Environment: Oracle 8i, ojdbc14.jar
>     Reporter: Gabor Kincses

>
>
> Exception in thread "main" java.lang.ClassCastException: org.hibernate.type.BigDecimalType
> 	at org.hibernate.tuple.PropertyFactory.buildVersionProperty(PropertyFactory.java:83)
> 	at org.hibernate.tuple.EntityMetamodel.<init>(EntityMetamodel.java:157)
> 	at org.hibernate.persister.entity.AbstractEntityPersister.<init>(AbstractEntityPersister.java:412)
> 	at org.hibernate.persister.entity.SingleTableEntityPersister.<init>(SingleTableEntityPersister.java:108)
> 	at org.hibernate.persister.PersisterFactory.createClassPersister(PersisterFactory.java:55)
> 	at org.hibernate.impl.SessionFactoryImpl.<init>(SessionFactoryImpl.java:216)
> 	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1176)
> 	at com.paypal.bdo.test.Hibernate101.main(Hibernate101.java:37)
> I guess the code tries to cast the type to VersionType.

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