[Hibernate-issues] [Hibernate-JIRA] Created: (HHH-1866) NullPointerException in org.hibernate.util.ComparableComparator

[Eduard H. (JIRA) <no...@at...>]

NullPointerException in org.hibernate.util.ComparableComparator
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         Key: HHH-1866
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1866
     Project: Hibernate3
        Type: Bug

    Versions: 3.2.0.cr2    
 Environment: - Hibernate 3.2.0 CR2
- Spring 1.2.5
- JBoss Cache  1.4
- Oracle 9i
- Windows and Linux
    Reporter: Eduard Hildebrandt


I think that org.hibernate.util.ComparableComparator or OptimisticTreeCache.DataVersionAdapter  has a bug.

"return ((Comparable) x).compareTo(y);" throws a NullPointerException if x is a null pointer.

org.hibernate.util.ComparableComparator. compare(..) is called from OptimisticTreeCache.DataVersionAdapter in line "return versionComparator.compare( previousVersion, other ) > 1;".

We get this NullPointerExption if we use Hibernate with org.hibernate.cache.OptimisticTreeCacheProvider which causes an org.springframework.transaction.UnexpectedRollbackException. 

Greetings from Germany!


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