outputstream image not updating

lia · Post by **lia** » Sat Oct 14, 2006 5:25 am

I have created a servlet to write my charts out to the outputstream. I have copied the model in the demo, where I save my chart as a session attribute and write it out using ChartUtilities.writeChartAsPNG. When I have a simple chart with just one series in the TimeSeriesCollection my image updates when I change from 1 chart to another. However when I create complex charts with multiple series in the TimeSeriesCollection then the chart does not update. Does anyone have any idea what the problem is?

lia · Post by **lia** » Sat Oct 14, 2006 5:51 am

I think the problem may be that I am saving the chart as a session attribute rather than a request attribute. I set the chart attribute to null but I don't think that that is enough. Maybe it's a out buffer problem?? Any ideas?

angel · Post by **angel** » Mon Oct 16, 2006 7:30 am

Another reason could be the browser cache...