[hibernate-issues] [Hibernate-JIRA] Created: (HSEARCH-495) IdentifierProducer: ClassCastException

[Marco Pirruccio (JIRA)]

IdentifierProducer: ClassCastException
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                 Key: HSEARCH-495
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-495
             Project: Hibernate Search
          Issue Type: Bug
          Components: engine
    Affects Versions: 3.2.0.Beta1
         Environment: hibernate-core-3.5.0-Beta-2.jar, hibernate-commons-annotations-3.2.0.Beta1.jar, hibernate-search-3.2.0.Beta1.jar, jtds-1.2.5.jar (SQL Server 2008), Java 6
            Reporter: Marco Pirruccio
            Priority: Blocker


Executing the following code:

FullTextSession s = Search.getFullTextSession(session);
MassIndexer mi = s.createIndexer();
mi.optimizeOnFinish(true);
mi.batchSizeToLoadObjects(10);
mi.startAndWait();

I obtain the following exception:

Exception in thread "Hibernate Search: identifierloader-1" java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long
	at org.hibernate.search.batchindexing.IdentifierProducer.loadAllIdentifiers(IdentifierProducer.java:114)
	at org.hibernate.search.batchindexing.IdentifierProducer.inTransactionWrapper(IdentifierProducer.java:103)
	at org.hibernate.search.batchindexing.IdentifierProducer.run(IdentifierProducer.java:91)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)

The executed query is:
    select
        count(this_.idfornitore) as y0_ 
    from
        fornitore this_

The method loadAllIdentifiers() does the following cast:
Long totalCount = (Long) session
	.createCriteria( indexedType )
	.setProjection( Projections.count( "id" ) )
	.setCacheable( false )
	.uniqueResult();


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