Oracle Stored Procedure With Multiple OUT Ref_Cursors

I’m having issues using the StoredProcedureQuery class to return multiple Oracle REF_CURSORs. I’m using Oracle DB 12c, and Hibernate 5.3.0.Final. Using org.hibernate.dialect.Oracle12cDialect as the dialect. The stored procedure query only returns the first result set - it returns an empty list for the second cursor.

StoredProcedureQuery storedProcedureQuery = entityManager.createStoredProcedureQuery("SCOTT.HR_DATA.GETCURSORS")
.registerStoredProcedureParameter("EMP_ID", Integer.class, ParameterMode.IN).setParameter("EMP_ID", 4)
.registerStoredProcedureParameter("EMP_C", Class.class, ParameterMode.REF_CURSOR)
.registerStoredProcedureParameter("DEPT_C", Class.class, ParameterMode.REF_CURSOR);

The StoredProcedureQuery spec says:

/**

• Retrieve the list of results from the next result set.

• The provider will call <code>execute</code> on the query

• if needed.

• A <code>REF_CURSOR</code> result set, if any, will be retrieved

• in the order the <code>REF_CURSOR</code> parameter was

• registered with the query.

• @return a list of the results or null is the next item is not

• a result set

• @throws QueryTimeoutException if the query execution exceeds

• the query timeout value set and only the statement is

• rolled back

• @throws PersistenceException if the query execution exceeds

• the query timeout value set and the transaction

• is rolled back
  */
  List getResultList();

I’ve also tried calling storedProcedureQuery.hasMoreResults() between the two getResultList calls, which returns true, but then the next getResultList calls an invalid column name exception.