ObjectInputStream ois = new ObjectInputStream( reader .getStream( AbstractDataEngine.DATA_META_STREAM ) );
DataInputStream dis = new DataInputStream( reader .getStream( AbstractDataEngine.DATA_META_STREAM ));
	private void loadResultSetMetaData( ) throws EngineException	{		IDocArchiveReader reader = reportDocReader.getArchive( );		try		{			ObjectInputStream ois = new ObjectInputStream( reader					.getStream( AbstractDataEngine.DATA_META_STREAM ) );						mapQueryIDToResultSetName = (HashMap) ois.readObject( );			ois.close( );		}		catch ( IOException ioe )		{			executionContext.addException( new EngineException(					"Can't load the data in report document", ioe ) );			logger.log( Level.SEVERE, ioe.getMessage( ), ioe );		}		catch ( ClassNotFoundException cnfe )		{			executionContext.addException( new EngineException(					"Can't load the data in report document", cnfe ) );			logger.log( Level.SEVERE, cnfe.getMessage( ), cnfe );		}	}