1. Error in generating graph image using cewolf and jgraph jfree.orgError in generating graph image using cewolf and jgraph by niladriisofttech Sun Apr 30, 2006 9:00 am Hi everybody, I am trying to generate a graph using jfreechart and cewolf.But its giving some exception.The error I am getting is : java.lang.NoSuchMethodError raised: org.jfree.chart.ChartFactory.createStackedBarChart(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Lorg/jfree/data/category/CategoryDataset;Lorg/jfree/data/plot/PlotOrientation;ZZZ)Lorg/jfree/data/chart/JFreeChart; java.lang.NoSuchMethodError:org.jfree.chart.ChartFactory.createStackedBarChart(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Lorg/jfree/data/category/CategoryDataset;Lorg/jfree/data/plot/PlotOrientation;ZZZ)Lorg/jfree/data/chart/JFreeChart; at de.laures.cewolf.taglib.CewolfChartFactory.getChartInstance(CewolfChartFactory.java:152) at de.laures.cewolf.taglib.SimpleChartDefinition.produceChart(SimpleChartDefinition.java:30) at de.laures.cewolf.taglib.AbstractChartDefinition.getChart(AbstractChartDefinition.java:121) at de.laures.cewolf.taglib.ChartImageDefinition.ensureRenderer(ChartImageDefinition.java:137) at de.laures.cewolf.taglib.ChartImageDefinition.getSize(ChartImageDefinition.java:146) at de.laures.cewolf.CewolfRenderer.doGet(CewolfRenderer.java:144) at javax.serlet.http.HttpServlet.servoce(HttpServlet.java:740) at javax.serlet.http.HttpServlet.servoce(HttpServlet.java:853) ... |
2. Graph Image generation taking more time on iSeries V5R4 jfree.orgHello, We are generating a chart using JFreeChart on WAS 6.0. When we test the application on WAS 6.0 running on WinXP, the chart generation time is approx 4-5 seconds. When we deploy the application on WAS6.0 on iSeries V5R4 (AS400), its taking more than 30-40 seconds to generate the image. JVM on AS400 is running in headless mode and we ... |
3. Graph Image doesn't show when Proxy Server is Enabled jfree.orgHi, I just want to ask if disabling the use of Proxy Server in the connection settings in IE, is normal just to see the Graphs? We normally disable the settings whenever we view the graphs. And if we enable it, the graphs doesn't show anymore. All that we see is the background image and header image of our page. Can ... |
4. Generation of an image map for a block graph jfree.orgHello, I am using JFreeChart to generate a "block graph" using the XYBlockRenderer... It works great so far and generates a very nice overview graph. Now I would like to generate an image map in order to be able to have HTML links to sub-graphs. I am therefore passing "ChartRenderingInfo" when calling the "ChartUtilities.saveChartAsPNG()" method; however when I call later on ... |