[FLEX-27290] Entering text into ComboBox and pressing Backspace results in error

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: Adobe Flex SDK 4.5 (Release)
• Component/s: Spark: ComboBox
• Environment: Affected OS(s): Windows; Affected OS(s): Windows 7; Language Found: English
• Assignee: Unassigned
• Reporter: Adobe JIRA
• Created: 13/Apr/11 00:56
• Updated: 13/Sep/13 01:09
• Resolved: 13/Sep/13 01:09

Description

Flash Builder 4.0.1
Flex SDK 4.5.0.19786 + AIR SDK 2.6

Import and run the attached FXP through the debug tool. When I type something into the ComboBox TextInput and press the Backspace key, the following error appears in the console:

TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.accessibility::ComboBoxAccImpl/eventHandler()[E:\dev\hero_private\frameworks\projects\spark\src\spark\accessibility\ComboBoxAccImpl.as:514]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\hero_private\frameworks\projects\framework\src\mx\core\UIComponent.as:13072]
at spark.components.supportClasses::DropDownListBase/http://www.adobe.com/2006/flex/mx/internal::changeHighlightedSelection()[E:\dev\hero_private\frameworks\projects\spark\src\spark\components\supportClasses\DropDownListBase.as:647]
at spark.components::ComboBox/textInput_changeHandler()[E:\dev\hero_private\frameworks\projects\spark\src\spark\components\ComboBox.as:1015]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\hero_private\frameworks\projects\framework\src\mx\core\UIComponent.as:13072]
at spark.components.supportClasses::SkinnableTextBase/textDisplay_changeHandler()[E:\dev\hero_private\frameworks\projects\spark\src\spark\components\supportClasses\SkinnableTextBase.as:1976]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[E:\dev\hero_private\frameworks\projects\framework\src\mx\core\UIComponent.as:13072]
at spark.components::RichEditableText/textContainerManager_flowOperationCompleteHandler()[E:\dev\hero_private\frameworks\projects\spark\src\spark\components\RichEditableText.as:4743]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.container::TextContainerManager/dispatchEvent()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\container\TextContainerManager.as:1553]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.elements::TextFlow/dispatchEvent()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\elements\TextFlow.as:859]
at flashx.textLayout.edit::EditManager/finalizeDo()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\edit\EditManager.as:669]
at flashx.textLayout.edit::EditManager/doOperation()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\edit\EditManager.as:613]
at flashx.textLayout.edit::EditManager/deletePreviousCharacter()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\edit\EditManager.as:1374]
at flashx.textLayout.edit::EditManager/keyDownHandler()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\edit\EditManager.as:362]
at flashx.textLayout.container::ContainerController/keyDownHandler()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\container\ContainerController.as:2447]
at flashx.textLayout.container::TextContainerManager/keyDownHandler()[C:\Vellum\branches\v2\2.0\dev\output\openSource\textLayout\src\flashx\textLayout\container\TextContainerManager.as:1844]
at spark.components.supportClasses::RichEditableTextContainerManager/keyDownHandler()[E:\dev\hero_private\frameworks\projects\spark\src\spark\components\supportClasses\RichEditableTextContainerManager.as:599]

Issue Links

• is duplicated by: FLEX-33630 ComboBox RTE when opened and DEL pressed OR when opened, text input and BACKSPACE pressed