[Hibernate-issues] [Hibernate-JIRA] Resolved: (HB-149) Using Sets Before Fully Initialized causes NullPointerException

[<leg...@at...>]

Message:

   The following issue has been resolved as REJECTED.

   Resolver: Gavin King
       Date: Tue, 8 Jul 2003 7:10 PM

I suppose that the reason for this is that Hibernate is calling setA() while the collection is being initialized.

You just need to make a different setter that your app will use, from the one that Hibernate uses.
---------------------------------------------------------------------
View the issue:

  http://opensource.atlassian.com/projects/hibernate/secure/ViewIssue.jspa?key=HB-149


Here is an overview of the issue:
---------------------------------------------------------------------
        Key: HB-149
    Summary: Using Sets Before Fully Initialized causes NullPointerException
       Type: Bug

     Status: Resolved
   Priority: Minor
 Resolution: REJECTED

    Project: Hibernate2
 Components: 
             core
   Versions:
             2.0.1

   Assignee: Gavin King
   Reporter: Christian Bauer

    Created: Tue, 8 Jul 2003 3:30 PM
    Updated: Tue, 8 Jul 2003 7:10 PM
Environment: JDK 1.4.1

Description:
one-to-man from A -> B
 
 A.addB(B foo) {
   if(null != foo) {
     set_of_bs.add(foo);
     foo.setA(this);
   }
 }
 
 
 B.setA(A bar) {
   a = bar;
   if(null != a && !a.getBs().contains(this)) {
     a.addB(b);
   }
 }
 
 I'm not sure why but the tempList in the net.sf.hibernate.collection.Set ends up being null
at some point during initialization. endRead is being called twice, the first time its ok
the second time it throws a NullPointerException.
 
 I'm not sure this is a bug with Hibernate or if I should not be maintaining the backwards
pointers in this way. 


---------------------------------------------------------------------
JIRA INFORMATION:
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.jspa

If you want more information on JIRA, or have a bug to report see:
   http://www.atlassian.com/software/jira