Bug 119124 Something wrong with page number
Using latest engine api regenreate report. The last page of a 59 pages report is empty. The content of any 1 page report is always empty.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/data/DataEngineFactory.java
if ( sm_instance == null )
		{
			sm_instance = new DataEngineFactory( );
		}
		return sm_instance;
	}
	/**
	 * create a <code>DataEngine</code> given an execution context
	 * 
	 * @param context
	 *            the execution context
	 * @return a data engine instance
	 */
	public IDataEngine createDataEngine( ExecutionContext context )
	{
		IReportDocument document = context.getReportDocument( );
		if ( document != null )
		{
			if ( context.isInFactory( ) )
			{
				return new DataGenerationEngine( context, 
						context.getReportDocWriter().getArchive() );
			}
			return new DataPresentationEngine( context, 
					context.getReportDocument().getArchive() );
		}
		return new DteDataEngine( context );
	}
}