Hi, I am using Jfree Line & Bar charts of both for a kind of scenario in the same Action class. but for the Bar chart i can able to see the Tool Tips. but for Line chart i don't. so my code is for line chart as shown below... JFreeChart jfreechart = ChartFactory.createLineChart("Resource Utilization", "RESOURCE NAMES", "%UTILIZATION", lineDataset, PlotOrientation.VERTICAL, true, ...