HI, i am very new to jasper and i have one Question regarding this discussion, Only for to generate chart in HTML, why we have to set web.xml? and why we are using "exporter.setParameter(JRHtmlExporterParameter.IMAGES_URI, "servlets/image?image=");" and "request.getSession().setAttribute(ImageServlet.DEFAULT_JASPER_PRINT_SESSION_ATTRIBUTE, jasperPrint);" ??? because for PDF and Excel chart is coming directly.. why specially for html?? please give your valuable answers.... thanks in advance, Chaitanya