我从 net 获得了 pentaho 应用程序的演示应用程序...它在 home.jsp 上显示了一些错误,例如
Could not generate chart image.
Could not load chart data from samples/steel-wheels/homeDashboard/Sales_by_Territory.xaction
Could not generate chart image.
Could not load chart data from samples/steel-wheels/homeDashboard/Sales_by_Productline.xaction
有什么问题任何人都知道那里有什么问题,我该如何解决