[hibernate-issues] [Hibernate-JIRA] Created: (HCANN-26) Possible NPE in MapBinder.bindKeyFromAssociationTable if @JoinColumn not present

[Sergey Vladimirov (JIRA)]

Possible NPE in MapBinder.bindKeyFromAssociationTable if @JoinColumn not present
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                 Key: HCANN-26
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HCANN-26
             Project: Hibernate Commons Annotations
          Issue Type: Bug
    Affects Versions: 3.1.0.GA
            Reporter: Sergey Vladimirov
            Priority: Minor


NPE can occur in MapBinder.bindKeyFromAssociationTable if @JoinColumn not present

java.lang.NullPointerException
	org.hibernate.cfg.annotations.MapBinder.bindKeyFromAssociationTable(MapBinder.java:161)
	org.hibernate.cfg.annotations.MapBinder.access$000(MapBinder.java:77)
	org.hibernate.cfg.annotations.MapBinder$1.secondPass(MapBinder.java:111)
	org.hibernate.cfg.CollectionSecondPass.doSecondPass(CollectionSecondPass.java:66)
	org.hibernate.cfg.Configuration.secondPassCompile(Configuration.java:1221)
	org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:383)
	org.hibernate.cfg.Configuration.buildMappings(Configuration.java:1206)
	org.hibernate.ejb.Ejb3Configuration.buildMappings(Ejb3Configuration.java:1449)
	org.hibernate.ejb.EventListenerConfigurator.configure(EventListenerConfigurator.java:193)
	org.hibernate.ejb.Ejb3Configuration.configure(Ejb3Configuration.java:1077)
	org.hibernate.ejb.Ejb3Configuration.createEntityManagerFactory(Ejb3Configuration.java:868)

				mapKeyType = property.getMapKey().getName();

Hibernate should check if annotation/mapkey specified and throw human-friendly exception, not NPE.

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