[ https://issues.apache.org/jira/browse/FLEX-28982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carol Frampton updated FLEX-28982: ---------------------------------- Attachment: testMXML.mxml ComboBoxSkin.mxml testMXML.mxml and ComboBoxSkin.mxml can be used to verify the bug and/or fix. > DropDownController - Null Object Reference > ------------------------------------------ > > Key: FLEX-28982 > URL: https://issues.apache.org/jira/browse/FLEX-28982 > Project: Apache Flex > Issue Type: Bug > Components: Spark: DropDownList > Affects Versions: Adobe Flex SDK 4.6 (Release) > Environment: Affected OS(s): All OS Platforms > Affected OS(s): All OS Platforms > Browser: Internet Explorer 8.x > Language Found: English > Reporter: Adobe JIRA > Attachments: ComboBoxSkin.mxml, testMXML.mxml > > > Steps to reproduce: > 1. Apply a skin to DropDownListBase-based components (ComboBox, DropDownList, > etc). > 2. Invoke the detachSkin() somehow (i.e. change the skin at runtime). > > Actual Results: > TypeError: Error #1009: Cannot access a property or method of a null object > reference. > at spark.components.supportClasses::DropDownController/set > openButton()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\DropDownController.as:100] > at > spark.components.supportClasses::DropDownListBase/partRemoved()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\DropDownListBase.as:543] > at > spark.components.supportClasses::SkinnableComponent/clearSkinParts()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\SkinnableComponent.as:764] > at > spark.components.supportClasses::SkinnableComponent/detachSkin()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\SkinnableComponent.as:798] > at > spark.components.supportClasses::SkinnableComponent/validateSkinChange()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\SkinnableComponent.as:442] > at > spark.components.supportClasses::SkinnableComponent/commitProperties()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\SkinnableComponent.as:457] > at > spark.components.supportClasses::ListBase/commitProperties()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\ListBase.as:892] > at > spark.components::List/commitProperties()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\List.as:1139] > at > spark.components.supportClasses::DropDownListBase/commitProperties()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\supportClasses\DropDownListBase.as:508] > at > spark.components::DropDownList/commitProperties()[E:\dev\4.y\frameworks\projects\spark\src\spark\components\DropDownList.as:287] > at > sungard.ebs.base.components::DropDownMenu/commitProperties()[C:\EBS3\Flexspace46\AmbitBaseSpark\src\sungard\ebs\base\components\DropDownMenu.as:188] > at > mx.core::UIComponent/validateProperties()[E:\dev\4.y\frameworks\projects\framework\src\mx\core\UIComponent.as:8219] > at > mx.managers::LayoutManager/validateProperties()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:597] > at > mx.managers::LayoutManager/doPhasedInstantiation()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:813] > at > mx.managers::LayoutManager/doPhasedInstantiationCallback()[E:\dev\4.y\frameworks\projects\framework\src\mx\managers\LayoutManager.as:1180] > at flash.utils::Timer/_timerDispatch() > at flash.utils::Timer/tick() > > > Expected Results: > > No runtime error. > > Workaround (if any): > None. Monkey-patch... -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira