[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2146) NullpointerException in DefaultDeleteEventListener.deleteTransientEntity

[Martin Kartumovich (JIRA)]

NullpointerException in DefaultDeleteEventListener.deleteTransientEntity
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         Key: HHH-2146
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2146
     Project: Hibernate3
        Type: Bug

    Versions: 3.2.0.cr5    
 Environment: Hibernate 3.2.0cr5, Oracle10g
    Reporter: Martin Kartumovich
    Priority: Blocker


The following setup leads to a NPE in DefaultDeleteEventListener.deleteTransientEntity:

Tables A, B
Table V_A_B that is an M-N-Connection between A and B.

Pojo for A has a Set of V_A_Bs.
Pojo for B has a Set of V_A_Bs.
Pojo C that has Sets of As and Bs.

Cascades: all, delete-orphan

-Create a new A and add a new V_A_B to its Set, that references to an existing B.
-Delete B.
-SaveOrUpdate Pojo C.
In Hibernate 3.1.3 this works fine.
In 3.2.0cr4+cr5 the removal of B results into an cascading removal of the never persisted V_A_B in the Set of B instead of ignoring it.
This leads to an incorrect state where deleteTransientEntity is called with transientEnties=null.
When now calling transientEnties.contains(...) the NPE is thrown.


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