I have no solution for you, but have come across this problem as well. If you have a simple app that demonstrates this error, you should create a new bug on the Adobe Bug Base and attach the code. My app is too huge at this point, and I haven't yet distilled it down to a submittable size.
--- In flexcoders@yahoogroups.com, "Chad Callahan" <chad.calla...@...> wrote: > > I am using a ColumnChart with a ColumnSet of type "stacked". If I > switch this ColumnSet.type property to "100%" then it works just as > expected, but when I use the "stacked" type, I get the following: > > > > > > > > TypeError: Error #1009: Cannot access a property or method of a null > object reference. > > at > mx.charts::AxisRenderer/calcVerticalGutters()[C:\work\flex\dmv_automatio > n\projects\datavisualisation\src\mx\charts\AxisRenderer.as:2055] > > at > mx.charts::AxisRenderer/calcRotationAndSpacing()[C:\work\flex\dmv_automa > tion\projects\datavisualisation\src\mx\charts\AxisRenderer.as:1845] > > at > mx.charts::AxisRenderer/adjustGutters()[C:\work\flex\dmv_automation\proj > ects\datavisualisation\src\mx\charts\AxisRenderer.as:1534] > > at mx.charts::AxisRenderer/set > gutters()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\ > charts\AxisRenderer.as:836] > > at > mx.charts.chartClasses::CartesianChart/updateAxisLayout()[C:\work\flex\d > mv_automation\projects\datavisualisation\src\mx\charts\chartClasses\Cart > esianChart.as:2110] > > at > mx.charts.chartClasses::CartesianChart/updateDisplayList()[C:\work\flex\ > dmv_automation\projects\datavisualisation\src\mx\charts\chartClasses\Car > tesianChart.as:1366] > > at mx.core::UIComponent/validateDisplayList() > > at mx.managers::LayoutManager/validateClient() > > at mx.core::UIComponent/validateNow() > > at com.deere.jdlink.view.dashboard.pod::UltimatePod/set > data()[C:\Documents and Settings\chad.callahan\My > Documents\clients\deere\jdlink\repository\trunk\development\flex\src\com > \deere\jdlink\view\dashboard\pod\UltimatePod.mxml:109] > > at spark.components::DataGroup/updateRenderer() > > at > spark.components::DataGroup/http://www.adobe.com/2006/flex/mx/internal:: > itemAdded() > > at spark.components::DataGroup/initializeDataProvider() > > at spark.components::DataGroup/commitProperties() > > at mx.core::UIComponent/validateProperties() > > at mx.managers::LayoutManager/validateProperties() > > at mx.managers::LayoutManager/doPhasedInstantiation() > > at > mx.managers::LayoutManager/doPhasedInstantiationCallback() > > > > > > Which is thrown from AxisRenderer line 2055 > > > > private function calcVerticalGutters(width:Number, > > leftGutter:Number, > > rightGutter:Number, > > firstLabel:ARLabelData, > > lastLabel:ARLabelData, > > adjustable:Object):Object > > { > > var labelAlignOffset:Number = this.labelAlignOffset; > > var axisLength:Number = width - leftGutter - rightGutter; > > > > var LS:Number = firstLabel.height * labelAlignOffset; > > var RS:Number = firstLabel.height * (1 - labelAlignOffset); > > var P1:Number = firstLabel.position; > > var P2:Number = 1 - lastLabel.position; > <-------(line 255) > > > > > > > > The error is being thrown because lastLabel is null. Can anyone think > of how lastLabel could possibly be null? > > > > Thanks, > > Chad >
