Bug 182670 ScriptedDataSet does not use the same classloader when ran for Parameters than when ran for the report
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/utility/BirtUtility.java
HttpServletRequest request, String designFile, Map options )
			throws EngineException
	{
		IReportRunnable reportRunnable = null;
		
		File file = new File( designFile );
		if ( file.exists( ) )
		{
			reportRunnable = ReportEngineService.getInstance( )
					.openReportDesign( designFile, options );
		}
		else
		{
			
			InputStream is = null;
			URL url = null;
			try
			{
				designFile = ParameterAccessor.workingFolder
						+ "/" 
						+ ParameterAccessor.getParameter( request,
								ParameterAccessor.PARAM_REPORT );
				if ( !designFile.startsWith( "/" ) ) 
					designFile = "/" + designFile; 
				url = request.getSession( ).getServletContext( ).getResource(
						designFile );
				if ( url != null )
					is = url.openStream( );
				if ( is != null )
					reportRunnable = ReportEngineService.getInstance( )