NullPointerException on double-save of versioned entity ------------------------------------------------------- Key: HHH-5167 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5167 Project: Hibernate Core Issue Type: Bug Components: core Affects Versions: 3.3.2 Environment: PostgreSQL 8.3.3, Hibernate 3.3.2.GA (2009-06-24) Reporter: Robert Hailey Priority: Minor (psuedocode) VersionedPojo v=new VersionedPojo(); session.save(v); String secondary=functionNeedingId(v.getId()); v.setSecondary(secondary); session.saveOrUpdate(v); -- A common example of a function needing an id might include the saving of a many-to-one relationships. This stack trace has been seen in forum posts and is very likely to be this same issue. -- java.lang.NullPointerException at org.hibernate.type.LongType.next(LongType.java:79) at org.hibernate.engine.Versioning.increment(Versioning.java:131) at org.hibernate.event.def.DefaultFlushEntityEventListener.getNextVersion(DefaultFlushEntityEventListener.java:387) at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:279) at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:151) at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:219) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:99) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:49) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1028) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:366) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:137) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira