Bug 164586 [compatibility]Preview attached report throws multiple exception[0901]
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/adapter/ModelDteApiAdapter.java
mergeHints( modelDataSet, dteDataSet );
	}
	/**
	 * 
	 * @param modelDataSet
	 * @param dteDataSet
	 * @return
	 */
	private Iterator populateParameter( DataSetHandle modelDataSet, BaseDataSetDesign dteDataSet )
	{
		
		HashMap paramBindingCandidates = new HashMap( );
		Iterator elmtIter = modelDataSet.parametersIterator( );
		if ( elmtIter != null )
		{
			while ( elmtIter.hasNext( ) )
			{
				DataSetParameterHandle modelParam = ( DataSetParameterHandle ) elmtIter
						.next( );
				dteDataSet.addParameter( newParam( modelParam ) );
				
				
				
				if ( modelParam.isInput( ) )
				{
					String defaultValueExpr = null;
					if ( modelParam instanceof OdaDataSetParameterHandle
							&& ( (OdaDataSetParameterHandle) modelParam ).getParamName( ) != null )
					{