Hi,
I wrote the following java code for generating the flash chart: ChartServer ch = new ChartServer(); ch.setChart3D(false); ch.openData(COD.VALUES, 1, 100); for (int i=0;i<99;i++) { ch.setValue(0, i, java.lang.Math.random()* 80); } ch.closeData(COD.VALUES); FlashWriter w = new FlashWriter(); Axis axis = ch.getAxisY(); axis.setMinorStep((short) 5); axis.setMinorTickMark(TickMark.INSIDE); axis.setMinorGridlines(true); axis.getMinorGrid().setColor(new java.awt.Color(255, 0, 0)); ch.setInsideColor(new java.awt.Color(192, 192, 192)); axis.getGrid().setColor(new java.awt.Color(0, 0, 0)); axis.setAlternateColor(new java.awt.Color(255, 255, 255)); axis.setInterlaced(true); ch.setOutputWriter(w); ch.getHtmlTag("400","400","Flash"); I am getting an exception while generating Flash Chart using ChartFx6.5 for java, 17:52:40,956 ERROR [[knchart]] Servlet.service() for servlet knchart threw exception java.lang.NullPointerException at SoftwareFX.internal.ChartFX.Internet.Server.Chart.yZYw(Unknown Source) at SoftwareFX.internal.ChartFX.Internet.Server.Chart.WZYw(Unknown Source) at SoftwareFX.internal.ChartFX.Internet.Server.Chart.zZYw(Unknown Source) at SoftwareFX.internal.ChartFX.Internet.Server.Chart.V$ww(Unknown Source) at SoftwareFX.internal.ChartFX.Internet.Server.Chart.wZYw(Unknown Source) at SoftwareFX.internal.ChartFX.Internet.Server.Chart.Vxww(Unknown Source) at SoftwareFX.internal.ChartFX.Internet.Server.Chart.yxww(Unknown Source) at SoftwareFX.ChartFX.Chart.getHtmlTag(Unknown Source) at SoftwareFX.ChartFX.ChartServer.getHtmlTag(Unknown Source) I wrote the above java code by looking into the flash.jsp example given in Chartfx samples folder.But while using that in Java code i am getting this exception.Could you please explain me the behavior of getHtmlTag function. Can we use getHtmlDataEx function for generating the Flash Chart? Thanks, Anitha