Running a Stored Procedure with hibernate returns null and throws 'org.hibernate.exception.GenericJDBCException: could not execute query'

Solution Verified - Updated -

Issue

Certain stored procedure return null but this is not expected.  Given the attached stack trace, why is this happening ?

javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: could not execute query
        at org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:629)
        at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:75)

Environment

  • Hibernate 3.2.4 SP1 shipped with Enterprise Application Platform 4.2.0 CPx and 4.3.0CPx
  • use of stored procedure

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