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/service/ReportEngineService.java
* @param reportDocument
	 * @param format
	 * @param pageNumber
	 * @param pageRange
	 * @param masterPage
	 * @param svgFlag
	 * @param activeIds
	 * @param locale
	 * @param rtl
	 * @param iServletPath
	 * @throws RemoteException
	 */
	public void renderReport( OutputStream os, HttpServletRequest request,
			IReportDocument reportDocument, String format, long pageNumber,
			String pageRange, boolean masterPage, boolean svgFlag,
			List activeIds, Locale locale, boolean rtl, String iServletPath )
			throws RemoteException
	{
		if ( reportDocument == null )
		{
			AxisFault fault = new AxisFault(
					BirtResources
							.getMessage( ResourceConstants.ACTION_EXCEPTION_NO_REPORT_DOCUMENT ) );
			fault.setFaultCode( new QName(
					"ReportEngineService.renderReport( )" ) ); 
			throw fault;
		}
		OutputStream out = os;
		if ( out == null )
			out = new ByteArrayOutputStream( );