[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3030) NullPointerException happens in versioning

[John (JIRA)]

NullPointerException happens in versioning
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                 Key: HHH-3030
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3030
             Project: Hibernate3
          Issue Type: Bug
          Components: core
    Affects Versions: 3.2.5
         Environment: any
            Reporter: John
            Priority: Minor


Here is the stack trace:

java.lang.NullPointerException
	at org.hibernate.type.IntegerType.next(IntegerType.java:59)
	at org.hibernate.engine.Versioning.increment(Versioning.java:25)
	at org.hibernate.event.def.DefaultFlushEntityEventListener.getNextVersion(DefaultFlushEntityEventListener.java:358)
	at org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:250)
	at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:121)
	at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
	at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
	at org.hibernate.event.def.DefaultAutoFlushEventListener.onAutoFlush(DefaultAutoFlushEventListener.java:35)
	at org.hibernate.impl.SessionImpl.autoFlushIfRequired(SessionImpl.java:969)
	at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1114)
	at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)
        ......

The code is:

	public Object next(Object current, SessionImplementor session) {
		return new Integer( ( (Integer) current ).intValue() + 1 );
	}

Should there be a null checking for the object "current"?


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