[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-1094) ClassCastException on session.get or session.load with BigInteger as primary key

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole closed HHH-1094.
-------------------------------


Closing stale resolved issues

> ClassCastException on session.get or session.load with BigInteger as primary key
> --------------------------------------------------------------------------------
>
>                 Key: HHH-1094
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1094
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.1 rc2
>         Environment: Tomcat 5.5.4 on Windows XP Professional
> Oracle 9.2.0.6.0 64bit on Solaris
> Java 1.5.0_05
> Hibernate 3.1rc2
>            Reporter: Dirk Weigenand
>
> The following code
>     public static Produkt findProduktById( String produktId ) {
>         Session session = HibernateUtil.currentSession();
>         log.info( "produktId: " + produktId );
>         Produkt produkt = (Produkt)session.get( Produkt.class, new BigInteger( produktId ) );
>         HibernateUtil.closeSession();
>         
>         return produkt;
>     }
> yields following exeption when executed:
> java.lang.ClassCastException: java.math.BigInteger
> 	org.hibernate.type.BigDecimalType.getHashCode(BigDecimalType.java:48)
> 	org.hibernate.type.AbstractType.getHashCode(AbstractType.java:120)
> 	org.hibernate.engine.EntityKey.getHashCode(EntityKey.java:68)
> 	org.hibernate.engine.EntityKey.<init>(EntityKey.java:41)
> 	org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:76)
> 	org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:809)
> 	org.hibernate.impl.SessionImpl.get(SessionImpl.java:749)
> 	org.hibernate.impl.SessionImpl.get(SessionImpl.java:742)
> 	de.gisa.orderit.beans.ProduktFinder.findProduktById(ProduktFinder.java:71)
> The class is mapped as follows:
>     <class name="de.gisa.orderit.beans.Produkt" table="ORD_PRODUKTE" schema="ORDERITT">
>         <id name="idProdPk" type="big_decimal">
>             <column name="ID_PROD_PK" precision="22" scale="0" />
>             <generator class="assigned" />
>         </id>
>         <many-to-one name="Produktkategorien" class="de.gisa.orderit.beans.Produktkategorie" fetch="select">
>             <column name="ID_KAT_FK" precision="22" scale="0" not-null="true" />
>         </many-to-one>
>         <many-to-one name="Formular" class="de.gisa.orderit.beans.Formular" fetch="select">
>             <column name="ID_FRM_FK" precision="22" scale="0" />
>         </many-to-one>
>         <many-to-one name="Mandant" class="de.gisa.orderit.beans.Mandant" fetch="select">
>             <column name="ID_MDT_FK" precision="22" scale="0" not-null="true" />
>         </many-to-one>
>         <many-to-one name="User" class="de.gisa.orderit.beans.User" fetch="select">
>             <column name="ID_USER_AV_FK" precision="22" scale="0" not-null="true" />
>         </many-to-one>
>         <many-to-one name="Produkttyp" class="de.gisa.orderit.beans.Produkttyp" fetch="select">
>             <column name="ID_PTY_FK" precision="22" scale="0" not-null="true" />
>         </many-to-one>
>         <property name="name" type="string">
>             <column name="NAME" length="100" not-null="true" />
>         </property>
>         <property name="beschreibung" type="string">
>             <column name="BESCHREIBUNG" length="1000" />
>         </property>
>         <property name="plb" type="string">
>             <column name="PLB" length="10" />
>         </property>
>         <property name="prodAktiv" type="character">
>             <column name="PROD_AKTIV" length="1" not-null="true" />
>         </property>
>         <set name="Bestellungs" inverse="true">
>             <key>
>                 <column name="ID_PROD_FK" precision="22" scale="0" not-null="true" />
>             </key>
>             <one-to-many class="de.gisa.orderit.beans.Bestellung" />
>         </set>
>     </class>
> Thanks.
>   Dirk

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