Bump, and https://bugs.adobe.com/jira/browse/FLEXDMV-2275
On Tue, Dec 1, 2009 at 2:29 PM, Richard Rodseth <[email protected]> wrote: > I appreciate your sincere effort to help, but you misunderstand. > AxisRenderer is code in the flex charting library, not my code. > > It looks to me as though there is a bug if there is only one data item in > the series and hence only one label on the axis. > In particular, on line 2187 of AxisRenderer.as (sdk 3.3), lastLabel is set > to _labels[1] , which is null if there is only one label, because arrays are > indexed starting with 0. > > If I get time I will try to create a simple test case to verify this. > > > On Tue, Dec 1, 2009 at 2:01 PM, invertedspear <[email protected]>wrote: > >> >> >> So I am going to assume you are using a loop, and lastLabel is a variable >> set to the last label created in the loop. You're code's going to break on >> the first iteration since it can't divide a null value by 2. You need to >> either set an initial value for lastLabel before the loop or not process >> that line on the first iteration, instead setting the position. That is >> probably what you really want to do since you would want your first label to >> be at a fixed position and the second to base it off of that. >> >> I hope it doesn't seem that I'm talking down to you, I'm just trying to >> determine the best I can out of the little bit I'm seeing here. >> >> >> --- In [email protected] <flexcoders%40yahoogroups.com>, Richard >> Rodseth <rrods...@...> wrote: >> > >> > Yes, I know a null pointer exception is not charting-specific :) >> > >> > None of my code is in the stack crawl (shown below). The line in >> question >> > is: >> > >> > staggeredrightGutter / (lastLabel.width / 2)); >> > >> > and lastLabel is null. I can't reproduce all the code here (but I will >> note >> > that the series list is built dynamically). >> > >> > I'll keep digging. Thanks. >> > >> > >> > TypeError: Error #1009: Cannot access a property or method of a null >> object >> > reference. >> > at >> > >> mx.charts::AxisRenderer/calcStaggeredSpacing()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\charts\AxisRenderer.as:2200] >> > at >> > >> mx.charts::AxisRenderer/calcRotationAndSpacing()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\charts\AxisRenderer.as:1591] >> > at >> > >> mx.charts::AxisRenderer/adjustGutters()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\charts\AxisRenderer.as:1331] >> > at mx.charts::AxisRenderer/set >> > >> gutters()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\charts\AxisRenderer.as:803] >> > at >> > >> mx.charts.chartClasses::CartesianChart/updateAxisLayout()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\charts\chartClasses\CartesianChart.as:2032] >> > at >> > >> mx.charts.chartClasses::CartesianChart/updateDisplayList()[C:\work\flex\dmv_automation\projects\datavisualisation\src\mx\charts\chartClasses\CartesianChart.as:1359] >> > at >> > >> mx.core::UIComponent/validateDisplayList()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:6351] >> > at >> > >> mx.managers::LayoutManager/validateDisplayList()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:622] >> > at >> > >> mx.managers::LayoutManager/doPhasedInstantiation()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\managers\LayoutManager.as:695] >> > at Function/http://adobe.com/AS3/2006/builtin::apply() >> > at >> > >> mx.core::UIComponent/callLaterDispatcher2()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8633] >> > at >> > >> mx.core::UIComponent/callLaterDispatcher()[C:\autobuild\3.3.0\frameworks\projects\framework\src\mx\core\UIComponent.as:8573] >> >> >> > >
