Error #1009, Is this a bug?

I am using latest build of TLF (418), when I tried to bind textFlows to the textFlow setter in SimpleEditorPanel(the Adobe example), the textFlows are from an ArrayCollection, the binding looks like:
<local:SimpleEditorPanel id="simpleEditor"
                    textFlow="{TextFilter.importToFlow(this.myModel.userResponse.pageContent.getItemAt(this.m yModel.userResponse.currentPageNum).content, TextFilter.TEXT_LAYOUT_FORMAT)}" />
Basically, I need to dynamically add pages, each page stores in a textFlow,
I also added a listener to listen the damageEvent, if a textFlow's got changed, then the listener function exports the textFlow to the ArrayCollection,
I've got the following error when I tried to edit a textflow:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at flashx.textLayout.edit::EditManager/finalizeDo()
    at flashx.textLayout.edit::EditManager/doOperation()
    at flashx.textLayout.edit::EditManager/flushPendingOperations()
    at flashx.textLayout.edit::SelectionManager/enterFrameHandler()
Is this a bug? any suggestions to work around?
Thanks in advance.

When a TextFlow is deepCopied the new returned TextFlow will have a flowComposer created using the origianl's configuration. The configuration specifies a flowComposerClass and a flowComopser of that class is created. No interactionManager is created. That's by design.
When a TextFlow is us create a TextScrap for a clipboard the flowComposer is nulled. That's the only place I know of where we clear the flowComposer. That's also by design - a flowComposer isn't useful on the clipboard at this time.
I don't understand the ArrayCollection issue from the description. Do you have a code snippet that demonstrates the flowComposer getting nulled by TLF?
Best Regards,
Richard

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package components
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package components
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     import mx.controls.*;
     import mx.controls.dataGridClasses.DataGridListData;
     import mx.controls.listClasses.BaseListData;
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"TypeError: Error #1009: Cannot access a property or method of a null object reference.
at Monster/die()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at fl.motion::AnimatorBase/end()
at fl.motion::AnimatorBase/handleLastFrame()
at fl.motion::AnimatorBase/nextFrame()
at fl.motion::AnimatorBase/handleEnterFrame()"
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This is my code for the monster library item:
import fl.motion.Animator;
import fl.motion.MotionEvent;
var this_xml:XML = <Motion duration="30" xmlns="fl.motion.*" xmlns:geom="flash.geom.*" xmlns:filters="flash.filters.*">
<source>
<Source frameRate="10" x="275" y="200" scaleX="1" scaleY="1" rotation="0" elementType="movie clip" symbolName="monster">
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</Source>
</source>
<Keyframe index="0" tweenSnap="true" tweenSync="true">
<tweens>
   <SimpleEase ease="0"/>
</tweens>
</Keyframe>
<Keyframe index="29" tweenSnap="true" tweenSync="true" scaleX="2.782" scaleY="2.697">
<tweens>
   <SimpleEase ease="0"/>
</tweens>
</Keyframe>
</Motion>;
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this_animator.play();
this_animator.addEventListener(MotionEvent.MOTION_END, hurtPlayer);
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var main:MovieClip = MovieClip(this.parent.parent);
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this.parent.removeChild(this);
this.addEventListener(MouseEvent.CLICK, killMonster);
function killMonster(event:MouseEvent):void
this_xml = <Motion duration="5" xmlns="fl.motion.*" xmlns:geom="flash.geom.*" xmlns:filters="flash.filters.*">
<source>
<Source frameRate="10" x="275" y="200" scaleX="1" scaleY="1" rotation="0" elementType="movie clip" symbolName="monster" class="Monster">
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</Source>
</source>
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<tweens>
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</tweens>
</Keyframe>
<Keyframe index="4" rotateDirection="cw" rotateTimes="1" tweenSnap="true" tweenSync="true" scaleX="0.416" scaleY="0.378">
<color>
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</color>
<tweens>
   <SimpleEase ease="0"/>
</tweens>
</Keyframe>
</Motion>;
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this_animator.play();
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main.increaseScore();
this_animator.removeEventListener(MotionEvent.MOTION_END, hurtPlayer);
this.parent.removeChild(this);
This is my code for the main timeline:
var monstersInGame:uint;
var monsterMaker:Timer;
var container_mc:MovieClip;
var cursor:MovieClip;
var score:int;
var energy:int;
function initializeGame():void
monstersInGame = 10;
monsterMaker = new Timer(1000, monstersInGame);
container_mc = new MovieClip;
addChild(container_mc);
monsterMaker.addEventListener(TimerEvent.TIMER, createMonsters);
monsterMaker.start();
cursor = new Cursor();
addChild(cursor);
cursor.enabled = false;
Mouse.hide();
stage.addEventListener(MouseEvent.MOUSE_MOVE, dragCursor);
score = 0;
energy = energy_mc.totalFrames;
energy_mc.gotoAndStop(energy);
function dragCursor(event:MouseEvent):void
cursor.x = this.mouseX;
cursor.y = this.mouseY;
function createMonsters(event:TimerEvent):void
var monster:MovieClip;
monster = new Monster();
monster.x = Math.random() * stage.stageWidth;
monster.y = Math.random() * stage.stageHeight;
container_mc.addChild(monster);
function increaseScore():void
score ++;
if(score >= monstersInGame)
monsterMaker.stop();
function decreaseEnergy():void
energy --;
if(energy <= 0)
monsterMaker.stop();
else
energy_mc.gotoAndStop(energy);
initializeGame();

Ok. Apparently, I didn't test it enought times to get the error. I went back and tested it again to get the error. When I did this, the
trace(this); revealed [object Monster]
and
trace(this.parent); revealed [object MovieClip].
The only one that was different was the one that gave the error. For that one the
trace(this); revealed [object Monster]
and
trace(this.parent); revealed null.
Then it gave all of the error information.

How I can fix this error 1009 ???

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Hi,
Please let me know why the following error occured when the button clicked?
The PRStatus button was clicked!
TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at Final_2_fla::MainTimeline/frame20()
    at flash.display::MovieClip/gotoAndStop()
    at Final_2_fla::MainTimeline/clickSection()

Some object is missing in frame 20.
publish settings --> flash --> enable debugging - it will show the line of the offensive code.

TypeError: Error #1009: Cannot access a property or method of a null object reference. at mx.controls::AdvancedDataGrid/findHeaderRenderer()

Can anyone throw any light on this obscure Flex error?...
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.controls::AdvancedDataGrid/findHeaderRenderer()[...path...\projects\datavisualisation\ src\mx\controls\AdvancedDataGrid.as:1350]
at mx.controls::AdvancedDataGrid/mouseEventToItemRenderer()[...path...\projects\datavisualis ation\src\mx\controls\AdvancedDataGrid.as:1315]
at mx.controls.listClasses::AdvancedListBase/mouseMoveHandler()[...path...\projects\datavisu alisation\src\mx\controls\listClasses\AdvancedListBase.as:8091]
I found a related bug reported on Jira: https://bugs.adobe.com/jira/browse/FLEXDMV-1631
But in our case, we have no zoom effect. It may be timing related, as there is a lot of computation going on when this page, and the ADG is first initialised.
Please?... Any suggestions or workarounds? We don't want this falling over in the hands of our customers.
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Error #1009 at mx.controls::DataGrid/mx.controls:DataGrid::mouseUpHandler()

Hello.
At first sorry for my english.
I have encountered problem with DataGrid control.
There is DataGrid control, which have custom ItemRenderer
(MulticolorDataGridItemRenderer).
This DataGrid control has several properties:
1) click on a row changes it background color
2) click on "Filter ON" button, filter DataGrid by "status"
field
"TypeError: Error #1009: Cannot access a property or method
of a null object reference.
at
mx.controls::DataGrid/mx.controls:DataGrid::mouseUpHandler()"
This error occure when filter is ON, by click on a row. It
occures occasionally. I note that it
occur when DataGrid's vertical scrollbar is not in top
position.
If I remove recovering of scroll position, this bug
disappear.
Sample code:
~~~~~~~~~~~~
1. Application mxml:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="absolute">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
import mx.controls.List;
private var objPrevSelectedItem:Object = null;
private var arrList:Array = [{name: "Matt", lastname:
"Chotin", status: "0", selected: "0"},
{name: "Ely", lastname: "Greenfield", status: "1", selected:
"0"},
{name: "Christophe", lastname: "Coenraets", status: "2",
selected: "0"},
{name: "Sho", lastname: "Kuwamoto", status: "1", selected:
"0"},
{name: "Steven", lastname: "Webster", status: "4", selected:
"0"},
{name: "Alistair", lastname: "McLeod", status: "3",
selected: "0"},
{name: "Chafic", lastname: "Kazoun", status: "1", selected:
"0"},
{name: "Manish", lastname: "Jethani", status: "2", selected:
"0"},
{name: "Mike", lastname: "Chambers", status: "4", selected:
"0"},
{name: "Ted", lastname: "Patrick", status: "0", selected:
"0"},
{name: "Roger", lastname: "Gonzales", status: "1", selected:
"0"},
{name: "David", lastname: "Zuckerman", status: "3",
selected: "0"},
{name: "Alex", lastname: "Uhlmann", status: "3", selected:
"0"},
{name: "Peter", lastname: "Ent", status: "3", selected:
"0"},
{name: "Adobe", lastname: "Consulting", status: "2",
selected: "0"},
{name: "Marcel", lastname: "Boucher", status: "4", selected:
"0"},
{name: "Andrew", lastname: "Trice", status: "1", selected:
"0"},
{name: "Mike", lastname: "Morearty", status: "1", selected:
"0"},
{name: "Everything", lastname: "Flex", status: "0",
selected: "0"},
{name: "Jesse", lastname: "Warden", status: "3", selected:
"0"},
{name: "Richinternet", lastname: "Blog", status: "2",
selected: "0"},
{name: "Flex", lastname: "Daddy", status: "2", selected:
"0"},
{name: "Keun", lastname: "Lee", status: "0", selected: "0"},
{name: "David", lastname: "Koletta", status: "4", selected:
"0"},
{name: "Brian", lastname: "Deitte", status: "1", selected:
"0"},
{name: "Darron", lastname: "Schal", status: "2", selected:
"0"},
{name: "Narciso", lastname: "Jaramillo", status: "3",
selected: "0"},
{name: "Kiwi", lastname: "Teamblog", status: "4", selected:
"0"},
{name: "Anthony", lastname: "Rumsey", status: "0", selected:
"0"}];
[Bindable]
private var arrcollDP:ArrayCollection = new
ArrayCollection(arrList);
private function fnSelectRow(event:Event):void
if (objPrevSelectedItem != null)
objPrevSelectedItem["selected"] = new String("0");
ArrayCollection(DataGrid(event.target).dataProvider).itemUpdated(objPrevSelectedItem);
var numScrolPos:Number =
DataGrid(event.target).verticalScrollPosition;
Object(DataGrid(event.target).selectedItem)["selected"] =
new String("1");
ArrayCollection(DataGrid(event.target).dataProvider).itemUpdated(DataGrid(event.target).s electedItem);
objPrevSelectedItem =
Object(DataGrid(event.target).selectedItem);
if (arrcollDP.filterFunction != null)
arrcollDP.filterFunction = fnFilter;
arrcollDP.refresh();
DataGrid(event.target).verticalScrollPosition = numScrolPos;
private function fnFilter(item:Object):Boolean
var bResult:Boolean = new Boolean(false);
if (String(item["status"]) == "0")
bResult = true;
return bResult;
]]>
</mx:Script>
<mx:DataGrid
width="100%"
height="100"
dataProvider="{arrcollDP}"
itemRenderer="MulticolorDataGridItemRenderer"
draggableColumns="false"
rowHeight="17"
paddingTop="1"
paddingBottom="1"
horizontalGridLineColor="#a0a0a0"
horizontalGridLines="true"
change="fnSelectRow(event)">
<mx:columns>
<mx:DataGridColumn headerText="Name" dataField="name"
width="250" textAlign="left" sortable="false"/>
<mx:DataGridColumn headerText="Last Name"
dataField="lastname" width="250" textAlign="left"
sortable="false"/>
<mx:DataGridColumn headerText="Status" dataField="status"
width="80" textAlign="center" sortable="false"/>
</mx:columns>
</mx:DataGrid>
<mx:Button label="Filter ON" y="110" x="5"
click="arrcollDP.filterFunction = fnFilter;
arrcollDP.refresh();"/>
<mx:Button label="Filter OFF" y="110" x="105"
click="arrcollDP.filterFunction = null; arrcollDP.refresh();"/>
</mx:Application>
2. MulticolorDataGridItemRenderer component mxml:
<?xml version="1.0" encoding="utf-8"?>
<mx:DataGridItemRenderer xmlns:mx="
http://www.adobe.com/2006/mxml"
background="true" dataChange="fnChangeColor(event);">
<mx:Script>
<![CDATA[
import mx.controls.dataGridClasses.DataGridColumn;
import mx.events.FlexEvent;
import mx.controls.Alert;
private function fnChangeColor(event:FlexEvent):void
if (Object(this.data) != null)
if (!(this.data is DataGridColumn))
var strTmp:String = String(Object(this.data)["status"]);
if (strTmp == "0")
this.backgroundColor = 0xccffcc;
else if (strTmp == "1")
this.backgroundColor = 0xffff99;
else if (strTmp == "2")
this.backgroundColor = 0x99ccff;
else if (strTmp == "3")
this.backgroundColor = 0xffcc99;
else if (strTmp == "4")
this.backgroundColor = 0xcc66ff;
if (String(Object(this.data)["selected"]) == "1")
this.backgroundColor = 0xff9933;
]]>
</mx:Script>
</mx:DataGridItemRenderer>
And one another question: why did disappear standard DataGrid
control selection mechanism, when I used custom
DataGridItemRenderer? Try to use the sample code above withou
fnSelectRow function.
TIA

Hi, I will try to explain what i have undestood about this issue.
I have an application that loads at runtime some modules, and in my project configuration (Flex Modules), i specified some modules to compile optimizing to main application. Besides that, my project uses RSL to the framework linkage, and i perceived that the compiler output reports some warning messages just like "The CSS type selector 'DataGrid' was not processed, because the type was not used in the application." or others similars "The CSS type selector 'TextArea' was not processed, because the type was not used in the application.".
When i run the application, and click the first time in some grid column, the error "Type Coercion failed: cannot convert ......@abcda2 to ........." happens.
It happens because, these controls or components has not been linked in the main application compilation, and so, when you use the first module that uses one of these components, only the module loads an instance of these components and maintain on its part of memory.
Dispite of being loaded in the main application, each module and main application has its SystemManager instance to register and load components, and because of it, when the application try to cast instances of the same component, but at differents SystemManager's singleton implementations, the above error occurs.
So my solution was to add some reference of the controls or components that appears at the warning messages that was not compiled, to force the main application compilation to add these components at its SystemManager singletons first than any module.
Only add the name of the component and import its package. Do not have to add to the stage. See below.
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" ....>
<mx:Script>
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Hello.
I'm trying to use the chart components in Flash Builder 4. I'm using Flex SDK 4, but had to turn on the "Flex 3 compatibility mode" for some off-topic reasons.
I simply created a new application and copied the code from the DateTimeAxis class example: http://www.codigoactionscript.org/langref/as3/mx/charts/DateTimeAxis.html#includeExamplesS ummary
When running the example, the following error is reported (sorry, it is in italian: it's simply the "null object" error):
TypeError: Error #1009: Impossibile accedere a una proprietà o a un metodo di un riferimento oggetto null.
at mx.charts.chartClasses::CartesianChart/updateMultipleAxesStyles()[E:\dev\4.0.0\frameworks \projects\datavisualization\src\mx\charts\chartClasses\CartesianChart.as:2598]
at mx.charts.chartClasses::CartesianChart/commitProperties()[E:\dev\4.0.0\frameworks\project s\datavisualization\src\mx\charts\chartClasses\CartesianChart.as:1360]
at mx.core::UIComponent/validateProperties()[E:\dev\4.0.0\frameworks\projects\framework\src\ mx\core\UIComponent.as:7772]
at mx.managers::LayoutManager/validateProperties()[E:\dev\4.0.0\frameworks\projects\framewor k\src\mx\managers\LayoutManager.as:572]
at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.0.0\frameworks\projects\frame work\src\mx\managers\LayoutManager.as:700]
at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.0.0\frameworks\projec ts\framework\src\mx\managers\LayoutManager.as:1072]
Is there a solution to this bug? We really need to use charts AND keep the Flex 3 compatibility mode.

I use SDK 4.1 but I also get the error: (Flashbuilder 4.0.1 in Flex 3 compatibility mode)
TypeError: Error #1009: Cannot access a property or method of a null object reference.
    at mx.charts.chartClasses::CartesianChart/updateMultipleAxesStyles()[E:\dev\4.0.0\frameworks \projects\datavisualization\src\mx\charts\chartClasses\CartesianChart.as:2598]
    at mx.charts.chartClasses::CartesianChart/commitProperties()[E:\dev\4.0.0\frameworks\project s\datavisualization\src\mx\charts\chartClasses\CartesianChart.as:1360]
    at mx.core::UIComponent/validateProperties()[E:\dev\4.0.0\frameworks\projects\framework\src\ mx\core\UIComponent.as:7772]
    at mx.managers::LayoutManager/validateProperties()[E:\dev\4.0.0\frameworks\projects\framewor k\src\mx\managers\LayoutManager.as:572]
    at mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.0.0\frameworks\projects\frame work\src\mx\managers\LayoutManager.as:700]
    at mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.0.0\frameworks\projec ts\framework\src\mx\managers\LayoutManager.as:1072]
So I guess it is not solved....
regards,

Module Chart component Error #1009: Cannot access a property or method of a null object reference

Is there a known bug when displaying a chart component that is defined in a module. When attempting to display a chart component defined in a module it crashes indicating Error #1009: Cannot access a property or method of a null object reference.
It crashes at the following location in ChartBase.as. Somehow when loading the chart the styleManager.getStyleDeclaration("mx.charts.chartClasses.ChartBase"); returns null so when using the setStyle methods the exception occurs.
private function initStyles():Boolean
        HaloDefaults.init(styleManager);
var chartBaseStyle:CSSStyleDeclaration = styleManager.getStyleDeclaration("mx.charts.chartClasses.ChartBase");
chartBaseStyle.setStyle("chartSeriesStyles", HaloDefaults.chartBaseChartSeriesStyles);
chartBaseStyle.setStyle("fill", new SolidColor(0xFFFFFF, 0));
chartBaseStyle.setStyle("calloutStroke", new SolidColorStroke(0x888888,2));
        return true;
Added note: There is a chart component in the application that works fine. The only way I can get the chart in the module to display is to add the following workaround preinitializer but it severly impacts the loading of the module. Is there a way around this.
protected function preinitializeHandler(event:FlexEvent):void
   var styleObjects:Array = FlexGlobals.topLevelApplication.styleManager.selectors;
   for each(var styleObj:String in styleObjects) {
    var style:CSSStyleDeclaration = FlexGlobals.topLevelApplication.styleManager.getStyleDeclaration(styleObj);
    styleManager.setStyleDeclaration(styleObj, style, true);
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at mx.charts.chartClasses::ChartBase/initStyles()[E:\dev\4.y\frameworks\projects\charts\src\ mx\charts\chartClasses\ChartBase.as:1862]
at mx.charts.chartClasses::ChartBase/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\ChartBas e.as:1894]
at mx.charts.chartClasses::PolarChart/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\chartClasses\PolarCha rt.as:223]
at mx.charts::PieChart/set moduleFactory()[E:\dev\4.y\frameworks\projects\charts\src\mx\charts\PieChart.as:203]
at spark.components::Group/http://www.adobe.com/2006/flex/mx/internal::elementAdded()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\Group.as:1590]
at spark.components::Group/addElementAt()[E:\dev\4.y\frameworks\projects\spark\src\spark\com ponents\Group.as:1387]
at spark.components::SkinnableContainer/addElementAt()[E:\dev\4.y\frameworks\projects\spark\ src\spark\components\SkinnableContainer.as:775]
at mx.states::AddItems/addItemsToContentHolder()[E:\dev\4.y\frameworks\projects\framework\sr c\mx\states\AddItems.as:782]
at mx.states::AddItems/apply()[E:\dev\4.y\frameworks\projects\framework\src\mx\states\AddIte ms.as:563]
at mx.core::UIComponent/applyState()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UI Component.as:10741]
at mx.core::UIComponent/commitCurrentState()[E:\dev\4.y\frameworks\projects\framework\src\mx \core\UIComponent.as:10487]
at mx.core::UIComponent/setCurrentState()[E:\dev\4.y\frameworks\projects\framework\src\mx\co re\UIComponent.as:10323]
at mx.core::UIComponent/set currentState()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:6425]
at BloodPressure/bloodpressureDg_selectionChangeHandler()[C:\Users\Mark\Adobe Flash Builder 4.7\BiometricsFlexProject\src\BloodPressure.mxml:311]
at BloodPressure/__bloodpressureDg_selectionChange()[C:\Users\Mark\Adobe Flash Builder 4.7\BiometricsFlexProject\src\BloodPressure.mxml:41]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.y\frameworks\projects\framework\src\mx\core \UIComponent.as:13152]
at spark.components::DataGrid/commitInteractiveSelection()[E:\dev\4.y\frameworks\projects\sp ark\src\spark\components\DataGrid.as:3634]
at spark.components::DataGrid/setSelectionAnchorCaret()[E:\dev\4.y\frameworks\projects\spark \src\spark\components\DataGrid.as:4210]
at spark.components::DataGrid/grid_mouseDownHandler()[E:\dev\4.y\frameworks\projects\spark\s rc\spark\components\DataGrid.as:4679]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\4.y\frameworks\projects\framework\src\mx\core \UIComponent.as:13152]
at spark.components::Grid/dispatchGridEvent()[E:\dev\4.y\frameworks\projects\spark\src\spark \components\Grid.as:4038]
at spark.components::Grid/grid_mouseDownDragUpHandler()[E:\dev\4.y\frameworks\projects\spark \src\spark\components\Grid.as:3883]
at Function/<anonymous>()[E:\dev\4.y\frameworks\projects\spark\src\spark\utils\MouseEventUti l.as:84]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.managers::SystemManager/mouseEventHandler()[E:\dev\4.y\frameworks\projects\framework\s rc\mx\managers\SystemManager.as:2918]

It appears as though this error has been going on for a while. See the following link http://forums.adobe.com/thread/941849

Error #1009 in /computeSelectionIndexInContainer()

TypeError: Error #1009: Cannot access a property or method of
a null object reference.
at
flashx.textLayout.edit::SelectionManager$/computeSelectionIndexInContainer()
at flashx.textLayout.edit::SelectionManager$/
http://ns.adobe.com/textLayout/internal/2008::computeSelectionIndex()
at flashx.textLayout.edit::SelectionManager/selectionPoint()
at
flashx.textLayout.edit::SelectionManager/setNewSelectionPoint()
at
flashx.textLayout.edit::SelectionManager/mouseDownHandler()
at
flashx.textLayout.container::ContainerControllerBase/processMouseDownEvent()
at flashx.textLayout.container::ContainerControllerBase/
http://ns.adobe.com/textLayout/internal/2008::mouseDownHandler()
Sometimes when i just drag mouse on tf container, it throws
this exception. Quite many times.

I am not sure if I can be a help but you can try this anyway.... Thanks!
Issue
Issue FLEXENT-742 has been logged against AdobeFlex Builder Professional when used with the Automated Testing module and the AdvancedDataGrid. Specifically, when using Quick Test Pro to record a "select" action on a cell with a RendererProvider as the content holder, the following ActionScript error is displayed:
An ActionScript error has occurred:
TypeError: Error #1009: Cannot access a property or method of a null object reference.
Solution
The following procedure may be used to work around this error:
Download the following ActionScript file:
http://bugs.adobe.com/jira/secure/attachment/17407/AdvancedListBaseContentHolderAutomation Impl.as

Add this file into the src folder of the Flex Builder project and include this delegate using the -includes option as follows:
-locale en_US -includes AdvancedListBaseContentHolderAutomationImpl
-include-libraries
"C:\Work\flex\sdk_3.0.0.256\frameworks\libs\automation.swc"
"C:\Work\flex\sdk_3.0.0.256\frameworks\libs\automation_dmv.swc"
"C:\Work\flex\sdk_3.0.0.256\frameworks\libs\automation_agent.swc"
"C:\Work\flex\sdk_3.0.0.256\frameworks\libs\qtp.swc

Error #1009 when loading a module

Hello Forum Folks,
I'm in the process of trying to upgrade our app from 2.0 to
2.0.1. In this application we have an SWFLoader that loads up
applications as requested by the user. It worked fine with no
problems. I'm attempting to use the ModuleLoader in the same way,
but I am receiving this error:
[SWF]
/flex/PMPortal/com/sundt/addressbook/company_find_app.swf - 855,412
bytes after decompression
TypeError: Error #1009: Cannot access a property or method of
a null object reference.
at mx.managers::HistoryManager$/register()
at mx.containers::ViewStack/::addedHandler()
at flash.display::DisplayObjectContainer/addChildAt()
at mx.core::UIComponent/
http://www.adobe.com/2006/flex/mx/internal::$addChildAt()[C:\dev\flex_201_gmc\sdk\framewor ks\mx\core\UIComponent.as:4676
at
mx.core::Container/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 278]
at
mx.core::Container/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:221 4]
at
mx.core::Container/createComponentFromDescriptor()[C:\dev\flex_201_gmc\sdk\frameworks\mx\ core\Container.as:3721]
at
mx.core::Container/createComponentsFromDescriptors()[C:\dev\flex_201_gmc\sdk\frameworks\m x\core\Container.as:3533]
at
mx.core::Container/mx.core:Container::createChildren()[C:\dev\flex_201_gmc\sdk\frameworks \mx\core\Container.as:2618]
at
mx.core::UIComponent/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent. as:4937]
at
mx.core::Container/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 555]
at com.sundt.addressbook::find_company_criteria/initialize()
at mx.core::UIComponent/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\UIComponent.as:4834
at mx.core::Container/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\Container.as:3347
at
mx.core::Container/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 280]
at
mx.containers::Form/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\containers\Form.as :179]
at
mx.core::Container/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:221 4]
at
mx.containers::Form/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\containers\Form.as:1 68]
at
mx.core::Container/createComponentFromDescriptor()[C:\dev\flex_201_gmc\sdk\frameworks\mx\ core\Container.as:3721]
at
mx.core::Container/createComponentsFromDescriptors()[C:\dev\flex_201_gmc\sdk\frameworks\m x\core\Container.as:3533]
at
mx.core::Container/mx.core:Container::createChildren()[C:\dev\flex_201_gmc\sdk\frameworks \mx\core\Container.as:2618]
at
mx.core::UIComponent/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent. as:4937]
at
mx.core::Container/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 555]
at mx.core::UIComponent/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\UIComponent.as:4834
at mx.core::Container/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\Container.as:3347
at
mx.core::Container/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 280]
at
mx.core::Container/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:221 4]
at
mx.core::Container/createComponentFromDescriptor()[C:\dev\flex_201_gmc\sdk\frameworks\mx\ core\Container.as:3721]
at
mx.core::Container/createComponentsFromDescriptors()[C:\dev\flex_201_gmc\sdk\frameworks\m x\core\Container.as:3533]
at
mx.containers::Panel/createComponentsFromDescriptors()[C:\dev\flex_201_gmc\sdk\frameworks \mx\containers\Panel.as:1308]
at
mx.core::Container/mx.core:Container::createChildren()[C:\dev\flex_201_gmc\sdk\frameworks \mx\core\Container.as:2618]
at
mx.containers::Panel/mx.containers:Panel::createChildren()[C:\dev\flex_201_gmc\sdk\framew orks\mx\containers\Panel.as:863]
at
mx.core::UIComponent/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent. as:4937]
at
mx.core::Container/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 555]
at mx.core::UIComponent/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\UIComponent.as:4834
at mx.core::Container/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\Container.as:3347
at
mx.core::Container/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 280]
at
mx.core::Container/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:221 4]
at
mx.core::Container/createComponentFromDescriptor()[C:\dev\flex_201_gmc\sdk\frameworks\mx\ core\Container.as:3721]
at
mx.core::Container/createComponentsFromDescriptors()[C:\dev\flex_201_gmc\sdk\frameworks\m x\core\Container.as:3533]
at
mx.core::Container/mx.core:Container::createChildren()[C:\dev\flex_201_gmc\sdk\frameworks \mx\core\Container.as:2618]
at
mx.core::UIComponent/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent. as:4937]
at
mx.core::Container/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 555]
at mx.core::UIComponent/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\UIComponent.as:4834
at mx.core::Container/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\Container.as:3347
at
mx.core::Container/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 280]
at
mx.core::Container/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:221 4]
at
mx.core::Container/createComponentFromDescriptor()[C:\dev\flex_201_gmc\sdk\frameworks\mx\ core\Container.as:3721]
at
mx.core::Container/createComponentsFromDescriptors()[C:\dev\flex_201_gmc\sdk\frameworks\m x\core\Container.as:3533]
at
mx.core::Container/mx.core:Container::createChildren()[C:\dev\flex_201_gmc\sdk\frameworks \mx\core\Container.as:2618]
at
mx.core::UIComponent/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\UIComponent. as:4937]
at
mx.core::Container/initialize()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 555]
at com.sundt.addressbook::company_find_app/initialize()
at mx.core::UIComponent/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\UIComponent.as:4834
at mx.core::Container/
http://www.adobe.com/2006/flex/mx/internal::childAdded()[C:\dev\flex_201_gmc\sdk\framework s\mx\core\Container.as:3347
at
mx.core::Container/addChildAt()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:2 280]
at
mx.core::Container/addChild()[C:\dev\flex_201_gmc\sdk\frameworks\mx\core\Container.as:221 4]
at
mx.modules::ModuleLoader/mx.modules:ModuleLoader::moduleReadyHandler()[C:\dev\flex_201_gm c\sdk\frameworks\mx\modules\ModuleLoader.as:339]
at
flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at
ModuleManager.as$117::ModuleInfoProxy/ModuleManager.as$117:ModuleInfoProxy::moduleEventHa ndler()[C:\dev\flex_201_gmc\sdk\frameworks\mx\modules\ModuleManager.as:1025]
at
flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at
ModuleManager.as$117::ModuleInfo/readyHandler()[C:\dev\flex_201_gmc\sdk\frameworks\mx\mod ules\ModuleManager.as:704]
I'm not sure what is null, as I don't have the source code
for the HistoryManager. It seems to be generating an error while
attempting to initialize a component that is part of the module
that it is currently loading. The strange part about this is that I
can load the module a once and then it will error, as show below:
[SWF] /flex/PMPortal/pmportal-debug.swf - 1,033,911 bytes
after decompression
[SWF]
/flex/PMPortal/com/sundt/addressbook/company_find_app.swf - 855,412
bytes after decompression
[SWF] /flex/PMPortal/blank_app.swf - 484,084 bytes after
decompression
[SWF] /flex/PMPortal/blank_app.swf - 484,084 bytes after
decompression
[SWF]
/flex/PMPortal/com/sundt/addressbook/contact_find_app.swf - 678,199
bytes after decompression
[SWF]
/flex/PMPortal/com/sundt/addressbook/personalCompanies/personal_companies_wizard_app.swf
- 809,691 bytes after decompression
[SWF]
/flex/PMPortal/com/sundt/addressbook/company_find_app.swf - 855,412
bytes after decompression
TypeError: Error #1009: Cannot access a property or method of
a null object reference.
at mx.managers::HistoryManager$/register()
There are also times that it will error on loading another
module just once.
Now, I am loading all my modules through the same
ModuleLoader without unloading them. I assume that this is correct
way to do this.
If I comment out the offending component, everything works
fine. The components worked fine before when I had them in
applications.
Not sure where to go from here... any ideas would be great.
Thanks in advance.
--Andy

quote:
Originally posted by:
josh1093
I am getting the same error loading modules. For me I found
that changing the layout properties of the container that I am
loading the module in made the problem appear and go away. I'm
loading a module as an itemrenderer in a TileList. If I set the
columnWidth and rowHeight properties of the list then I have
problems. If I don't set them both, then I get the
"ModuleManager.as:671" null pointer problem. I'm guessing that by
setting the size ahead of time for the itemRenderer flex doesn't
need to query the module until later which gives it time to load.
Seems like a race condition to me. This is yet another bug in flex.
My application populates a number of VBox ( the number of
boxes are based on the xml data). Each VBox loads the module with
different data set. The module only contain advancedatagrid. The
VBox's size are preset with percentwidth and percentheight prior
calling a module loader. I also tried to specified the size in
pixels. But, no luck.
Once a while, I got the below messages at the console window
running in debug mode. Is the unload swf message normal? I have no
intention to unload the module in my code. If the module shouldn't
be unload, then obviously there is a problem.
[SWF] /SARA/CellDashboard.swf - 1,564,059 bytes after
decompression
[SWF] /SARA/modules/TrendChart.swf - 1,576,416 bytes after
decompression
[SWF] /SARA/modules/StdDataGrid.swf - 1,043,055 bytes after
decompression
[SWF] /SARA/modules/StdDataGrid.swf - 1,043,055 bytes after
decompression
[SWF] /SARA/modules/AdvDataGrid.swf - 1,259,638 bytes after
decompression
[SWF] /SARA/modules/AdvDataGrid.swf - 1,259,638 bytes after
decompression
[Unload SWF] /SARA/modules/AdvDataGrid.swf

Media Error Type Error 1009

When trying to play a video on a TV stations website I get a gray box that states "Media Error Type Error 1009". The advertisement that precedes the news clip plays fine but once it's over the audio is fine but the video screen is black. No websites showed up. What can I do?

This is a bug in the code running on the news site. The content provider will need to fix this on their end.
Thanks!

Error #1009, Is this a bug?

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