[hibernate-issues] [Hibernate-JIRA] Created: (HHH-7194) NullPointerExeption with nested subqueries using Criteria API

[Shawn Clowater (JIRA)]

NullPointerExeption with nested subqueries using Criteria API
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                 Key: HHH-7194
                 URL: https://hibernate.onjira.com/browse/HHH-7194
             Project: Hibernate ORM
          Issue Type: Bug
          Components: query-criteria
    Affects Versions: 4.1.1
         Environment: N/A
            Reporter: Shawn Clowater


It appears a regression was introduced under HHH-3646

Under that change the CriteriaQueryTranslator was changed to track the root entity names in CriteriaInfoProvider objects vs plain Strings.  The old functionality would allow for returning a null out of the map and then handling an entity not found exception that was thrown further down the stack and then it would try to find the root entity name from the outer criteria.  Now, it blows the NPE on the getName() call and prevents the query from executing.

I've got a working fix for it but I still need to put together a test for the change, I'll create a pull request in the next day or so with the fix.

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