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Hi Daniele, Did you ever get this working?

I changed the order from none to ascending and the error went away. Problem solved.

I'm using the HTML5 Time Series Line chart and get an error message when running the report. The report simply shows charges against 4 account numbers for a period of time. The report works with just the dates and charges but fails when I add the account which is just a string. This same SQL works fine on the the Pro Line Chart. The settings for the series are below as well as the stack trace. Any help would be appreciated. Error filling print... null Setting up the file resolver... java.lang.NullPointerException at net.sf.jasperreports.crosstabs.fill.calculation.BucketDefinition$Bucket.compareTo(BucketDefinition.java:378) at net.sf.jasperreports.crosstabs.fill.calculation.BucketingService$BucketListMap.collectVals(BucketingService.java:870) at net.sf.jasperreports.crosstabs.fill.calculation.BucketingService$BucketListMap.collectVals(BucketingService.java:900) at net.sf.jasperreports.crosstabs.fill.calculation.BucketingService.computeRowTotals(BucketingService.java:562) at net.sf.jasperreports.crosstabs.fill.calculation.BucketingService.computeTotals(BucketingService.java:510) at net.sf.jasperreports.crosstabs.fill.calculation.BucketingService.computeTotals(BucketingService.java:498) at net.sf.jasperreports.crosstabs.fill.calculation.BucketingService.processData(BucketingService.java:406) at net.sf.jasperreports.engine.analytics.dataset.MultiAxisDataService.createDataSource(MultiAxisDataService.java:383) at net.sf.jasperreports.engine.analytics.dataset.FillMultiAxisDataset.getDataSource(FillMultiAxisDataset.java:106) at net.sf.jasperreports.engine.analytics.dataset.FillMultiAxisData.getDataSource(FillMultiAxisData.java:53) at com.jaspersoft.jasperreports.highcharts.charts.ChartFillComponent.setPrintChartParameters(ChartFillComponent.java:231) at com.jaspersoft.jasperreports.highcharts.charts.ChartFillGenericElement.evaluateDelayedElement(ChartFillGenericElement.java:44) at net.sf.jasperreports.engine.fill.JRFillComponentElement.resolveElement(JRFillComponentElement.java:186) at net.sf.jasperreports.engine.fill.JRFillElement.performDelayedEvaluation(JRFillElement.java:968) at net.sf.jasperreports.engine.fill.JRFillComponentElement.resolveElement(JRFillComponentElement.java:180) at net.sf.jasperreports.engine.fill.ElementEvaluationAction.execute(JRBaseFiller.java:2423) at net.sf.jasperreports.engine.fill.JRBaseFiller.resolveBoundElements(JRBaseFiller.java:1609) at net.sf.jasperreports.engine.fill.JRBaseFiller.resolveReportBoundElements(JRBaseFiller.java:1636) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillSummary(JRVerticalFiller.java:1077) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReportEnd(JRVerticalFiller.java:319) at net.sf.jasperreports.engine.fill.JRVerticalFiller.fillReport(JRVerticalFiller.java:158) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:932) at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:845) at net.sf.jasperreports.engine.fill.JRFiller.fill(JRFiller.java:61) at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:446) at net.sf.jasperreports.engine.JasperFillManager.fill(JasperFillManager.java:276) at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:745) at com.jaspersoft.ireport.designer.compiler.IReportCompiler.run(IReportCompiler.java:891) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)

Hi, I have a report developed that would benefit from the user being able to dynamically type in values for one of the parameters. I know how to do this with a list control, but would like for the user to be able to enter their values in at run time. When running the report in iReport this does work by typing in a comma separated list into the parameter text box after changing the parameter type to the Collection class. This same method does not work on the server. Does anyone know how to accomplish this? Entering a comma separated list into the single value input just gives an error about receiving the wrong type. Thanks for any help in advance.