[hibernate-issues] [Hibernate-JIRA] Created: (ANN-608) NullPointerException from AnnotationConfiguration with specific order of calling addResource and addPackage when package-info.java present

[Steve Gilbert (JIRA)]

NullPointerException from AnnotationConfiguration with specific order of calling addResource and addPackage when package-info.java present
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                 Key: ANN-608
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-608
             Project: Hibernate Annotations
          Issue Type: Bug
    Affects Versions: 3.3.0.ga
         Environment: Hibernate 3.2.3
            Reporter: Steve Gilbert
         Attachments: Main.java, orm.xml, package-info.java

There is a bug in AnnotationConfiguration that causes a NullPointerException.

I have attached several files: orm.xml, Main.java, package-info.java.
 
The problem is caused by the order of the addResource and addPackage calls in combination with having a package-info.java file with some contents. If the addPackage is called before the addResource, or if the GenericGenerator annotation in the package info file is removed, there is no problem. 

I cannot change the order of those calls for my production code, however, because Spring is being used to create the SessionFactory and it calls the methods in that order: resource followed by package. 

There appears to be a problem with initializing 
org.hibernate.cfg.annotations.reflection.EJB3OverridenAnnotationReader. When this call is made on line 360:

annotationsMap.put( ann.annotationType(), ann );

the map is null. Inserting a creation for the map, (borrowed from elsewhere in the method) on line 359, before the "for" statement: 

annotationsMap = new HashMap<Class, Annotation>( annotations.length + 5 ); 

resolves the problem. 


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