Bug 208718 Exception is thrown out when exported data with column's data type [0002]
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
{
				String paramName = DataUtil.getString( keys.next( ) );
				String displayText = DataUtil.getString( displayTexts
						.get( paramName ) );
				runAndRenderTask.setParameterDisplayText( paramName,
						displayText );
			}
		}
		
		Map context = BirtUtility.getAppContext( request,
				ReportEngineService.class.getClassLoader( ) );
		runAndRenderTask.setAppContext( context );
		
		if ( renderOption == null )
		{
			if ( IBirtConstants.PDF_RENDER_FORMAT.equalsIgnoreCase( format )
					|| IBirtConstants.POSTSCRIPT_RENDER_FORMAT
							.equalsIgnoreCase( format ) )
			{
				renderOption = createPDFRenderOption( servletPath, request,
						ParameterAccessor.isDesigner( request ) );
			}
			else
			{
				
				if ( !IBirtConstants.HTML_RENDER_FORMAT
						.equalsIgnoreCase( format ) )
					svgFlag = false;
				renderOption = createHTMLRenderOption( svgFlag, servletPath,
						request );