[hibernate-issues] [Hibernate-JIRA] Resolved: (HHH-4073) discriminator formula creates problem in hibernate envers

discriminator formula creates problem in hibernate envers --------------------------------------------------------- Key: HHH-4073 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4073 Project: Hibernate Core Issue Type: Bug Components: envers Affects Versions: 3.3.x Environment: hibernate-3.3.x, envers-1.2.1.ga-hibernate-3.3.jar (Oracle 10g or HSQLDB) Reporter: Saravana Kumar Assignee: Adam Warski Fix For: 3.6.4, 4.0.0.Alpha3 Original Estimate: 56h Remaining Estimate: 56h I map my classes using Single Table per class hierarchy as below @Entity @DiscriminatorFormula ("(select t.c_type from t_type t where t.c_id = c_type)") @Audited public class Attribute...{ ... } or <discriminator type="string"> <formula>(select t.c_type from t_type t where t.c_id = c_type)</formula> </discriminator> When I use envers I get the follwoing error Caused by: java.lang.ClassCastException: org.hibernate.mapping.Formula at org.hibernate.envers.configuration.metadata.MetadataTools.addColumns(MetadataTools.java:154) at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.generateMappingData(AuditMetadataGenerator.java:263) at org.hibernate.envers.configuration.metadata.AuditMetadataGenerator.generateFirstPass(AuditMetadataGenerator.java:345) at org.hibernate.envers.configuration.EntitiesConfigurator.configure(EntitiesConfigurator.java:87) at org.hibernate.envers.configuration.AuditConfiguration.(AuditConfiguration.java:86) at org.hibernate.envers.configuration.AuditConfiguration.getFor(AuditConfiguration.java:99) at org.hibernate.envers.event.AuditEventListener.initialize(AuditEventListener.java:260) at org.hibernate.event.EventListeners$1.processListener(EventListeners.java:198) at org.hibernate.event.EventListeners.processListeners(EventListeners.java:181) at org.hibernate.event.EventListeners.initializeListeners(EventListeners.java:194) When I tried to debug the problem (AuditMetadataGenerator.java:263) has 260: // Checking if there is a discriminator column 261: if (hasDiscriminator) { 262: Element discriminator_element = class_mapping.addElement("discriminator"); 263: MetadataTools.addColumns(discriminator_element, pc.getDiscriminator().getColumnIterator()); 264: discriminator_element.addAttribute("type", pc.getDiscriminator().getType().getName()); 265: } (MetadataTools.java:154) has 152: public static void addColumns(Element any_mapping, Iterator<Column> columns) { 153: while (columns.hasNext()) { 154: Column column = columns.next(); 155: addColumn(any_mapping, column.getName(), column.getLength(), column.getScale(), column.getPrecision(), 156: column.getSqlType()); 157: } 158: } I see that there is nothing to handle Formula :-( Can you investigate?