[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-5328) Equality check on a natural-id that references other entities

Equality check on a natural-id that references other entities ------------------------------------------------------------- Key: HHH-5328 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5328 Project: Hibernate Core Issue Type: Bug Components: core Affects Versions: 3.5.1 Reporter: Manuel Schrag Assignee: Gail Badner I have the following entity mapping: {code:xml} <class name="ch.ims.cufa.data.model.SystemSettingImpl" table="TB_SystemSetting"> <id name="id" type="string" column="id" length="32"> <generator class="uuid.hex"/> </id> <natural-id mutable="true"> <many-to-one name="orgCanton" class="ch.ims.cufa.data.model.OrgCantonImpl" cascade="none" lazy="false" foreign-key="FK_A_OrgCanto_SysSetti" unique="true"> <column name="COL_orgCanton" not-null="true"> </column> </many-to-one> </natural-id> </class> </hibernate-mapping> {code} Updating fails because hibernate invokes the equals() method on OrgCantonImpl but as the parameter it sends the id of the Object to compare, which returns always false. This ends up in an exception: immutable natural identifier was modified...