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It's a filter in my framework which caused this trouble...

I've installed ChartCreator, following the intructions given by jsf-comp.sourceforge.net/components/chartcreator/ When I run the example (DefaultPieDataset), I have this error : 13:48:13,088 ERROR [[Chartlet]] () "Servlet.service()" pour la servlet Chartlet a gÚnÚrÚ une exception java.lang.NullPoint...