Stefano Cancedda [http://community.jboss.org/people/festano1] created the discussion "Exceptions with hibernate session mappings in 4.5.SNAPSHOT" To view the discussion, visit: http://community.jboss.org/message/562829#562829 -------------------------------------------------------------- hi, yesterday I've updated the JBPM snapshot of my pom  to 4.5-SNAPSHOT. now all my tests are falling always during hibernate session startup! The exception occurs during the mapping validation: 09:19:40,204 FIN | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT eagerly initializing org.jbpm.pvm.internal.id.DatabaseIdComposer 09:19:40,225 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Hibernate 3.3.1.GA 09:19:40,228 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT hibernate.properties not found 09:19:40,261 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Bytecode provider name : javassist 09:19:40,266 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT using JDK 1.4 java.sql.Timestamp handling 09:19:40,324 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT configuring from resource: jbpm.hibernate.cfg.xml 09:19:40,325 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Configuration resource: jbpm.hibernate.cfg.xml 09:19:40,417 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Reading mappings from resource : jbpm.repository.hbm.xml 09:19:40,583 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Reading mappings from resource : jbpm.execution.hbm.xml 09:19:40,715 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Reading mappings from resource : jbpm.history.hbm.xml 09:19:40,763 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Reading mappings from resource : jbpm.task.hbm.xml 09:19:40,794 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Reading mappings from resource : jbpm.identity.hbm.xml 09:19:40,841 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT Configured SessionFactory: null 0.0.1. EXCEPTION ########################################### 09:19:40,849 INF | http://community.jboss.org/message/562829#562829 Exceptions with hibernate session mappings in 4.5.SNAPSHOT exception while executing command org.jbpm.pvm.internal.cmd.CheckDbCmd@b4cbc5 Caused by: org.hibernate.MappingException: property mapping has wrong number of columns: org.jbpm.pvm.internal.history.model.HistoryVariableUpdateImpl.oldValue type: object      at org.hibernate.mapping.PersistentClass.validate(PersistentClass.java:459)      at org.hibernate.mapping.SingleTableSubclass.validate(SingleTableSubclass.java:66)      at org.hibernate.cfg.Configuration.validate(Configuration.java:1135)      at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1320)      at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)      at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669) ... 57 more I've executed test with hsqldb in-memory  and table generation (using JbpmTestCase as base-class), and also with the full test architecture of my project (Spring-test-framework classes with SpringJUnit4ClassRunner, EntityManager as SessionFactory passed to SpringProcessEngine, and local datasource connection with remote Oracle10g database containing jBPM schema -running on xubuntu os). It's nothing wrong with classes, as far i can see, and the error happens also with fresh generated tables. Any hints? -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/562829#562829] Start a new discussion in jBPM at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]