[FLEX-33630] ComboBox RTE when opened and DEL pressed OR when opened, text input and BACKSPACE pressed

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: Apache Flex 4.9.0
• Fix Version/s: Apache Flex 4.11.0
• Component/s: Spark: ComboBox
• Labels: easyfix easytest
• Assignee: Unassigned
• Reporter: Mihai Chira
• Created: 24/Jul/13 09:49
• Updated: 14/Sep/13 22:34
• Resolved: 14/Sep/13 22:34

Description

Run the attached project (nothing more than a ComboBox instance with no data provider) and either:
1. open the combobox and press DEL.
2. open the combobox, type something, then press BACKSPACE.

Actual behaviour: RTE:

1.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.accessibility::ComboBoxAccImpl/eventHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/accessibility/ComboBoxAccImpl.as:522]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/core/UIComponent.as:13160]
at spark.components.supportClasses::DropDownListBase/http://www.adobe.com/2006/flex/mx/internal::changeHighlightedSelection()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/supportClasses/DropDownListBase.as:652]
at spark.components::ComboBox/textInput_changeHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/ComboBox.as:1105]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/core/UIComponent.as:13160]
at spark.components.supportClasses::SkinnableTextBase/textDisplay_changeHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableTextBase.as:2707]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/core/UIComponent.as:13160]
at spark.components::RichEditableText/textContainerManager_flowOperationCompleteHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/RichEditableText.as:4835]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.container::TextContainerManager/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/container/TextContainerManager.as:1598]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.elements::TextFlow/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/elements/TextFlow.as:867]
at flashx.textLayout.edit::EditManager/finalizeDo()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:679]
at flashx.textLayout.edit::EditManager/doOperation()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:623]
at flashx.textLayout.edit::EditManager/deleteNextCharacter()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:1383]
at flashx.textLayout.edit::EditManager/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:362]
at flashx.textLayout.container::ContainerController/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/container/ContainerController.as:2529]
at flashx.textLayout.container::TextContainerManager/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/container/TextContainerManager.as:1889]
at spark.components.supportClasses::RichEditableTextContainerManager/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/supportClasses/RichEditableTextContainerManager.as:665]

2.
TypeError: Error #1009: Cannot access a property or method of a null object reference.
at spark.accessibility::ComboBoxAccImpl/eventHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/accessibility/ComboBoxAccImpl.as:522]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/core/UIComponent.as:13160]
at spark.components.supportClasses::DropDownListBase/http://www.adobe.com/2006/flex/mx/internal::changeHighlightedSelection()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/supportClasses/DropDownListBase.as:652]
at spark.components::ComboBox/textInput_changeHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/ComboBox.as:1105]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/core/UIComponent.as:13160]
at spark.components.supportClasses::SkinnableTextBase/textDisplay_changeHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/supportClasses/SkinnableTextBase.as:2707]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/framework/src/mx/core/UIComponent.as:13160]
at spark.components::RichEditableText/textContainerManager_flowOperationCompleteHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/RichEditableText.as:4835]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.container::TextContainerManager/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/container/TextContainerManager.as:1598]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at flashx.textLayout.elements::TextFlow/dispatchEvent()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/elements/TextFlow.as:867]
at flashx.textLayout.edit::EditManager/finalizeDo()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:679]
at flashx.textLayout.edit::EditManager/doOperation()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:623]
at flashx.textLayout.edit::EditManager/deletePreviousCharacter()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:1535]
at flashx.textLayout.edit::EditManager/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/edit/EditManager.as:372]
at flashx.textLayout.container::ContainerController/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/container/ContainerController.as:2529]
at flashx.textLayout.container::TextContainerManager/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/textLayout/3.0.33/src/flashx/textLayout/container/TextContainerManager.as:1889]
at spark.components.supportClasses::RichEditableTextContainerManager/keyDownHandler()[/Users/justinmclean/Documents/ApacheFlexSDK/frameworks/projects/spark/src/spark/components/supportClasses/RichEditableTextContainerManager.as:665]

Issue Links

• duplicates: FLEX-27290 Entering text into ComboBox and pressing Backspace results in error
• relates to: FLEX-28671 Spark combobox Error #1009: Cannot access a property or method of a null object reference.