[FLEX-33058] RTE in HierarchicalCollectionViewCursor when a refresh occurs and old cursor had an enumerable property that new cursor item doesn't

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Adobe Flex SDK 4.5 (Release), Apache Flex 4.15.0
• Fix Version/s: Apache Flex 4.16.0
• Component/s: Advanced Data Grid, SuperCollections
• Environment: Affected OS(s): All OS Platforms; Language Found: English
• Assignee: Mihai Chira
• Reporter: Adobe JIRA
• Created: 16/Jan/12 06:07
• Updated: 22/Feb/16 10:34
• Resolved: 17/Feb/16 16:04

Description

Steps to reproduce:

1. Run attached project
2. Click button to expand all nodes in the grid
3. Click on either button A or button B to scroll the grid so that the first visible item is the last grouping folder
4. Click on any of the column headers to sort

Expected Results: The grid is scrolled by the chosen column, and no RTE is thrown
Actual Results:

RTE

ReferenceError: Error #1069: Property mx_internal_uid not found on EmployeeVO and there is no default value.
at mx.collections::HierarchicalCollectionViewCursor/findAny()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/collections/HierarchicalCollectionViewCursor.as:332]
at mx.collections::HierarchicalCollectionViewCursor/findFirst()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/collections/HierarchicalCollectionViewCursor.as:361]
at mx.collections::HierarchicalCollectionViewCursor/collectionChangeHandler()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/collections/HierarchicalCollectionViewCursor.as:1323]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.collections::HierarchicalCollectionView/internalRefresh()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/collections/HierarchicalCollectionView.as:1266]
at mx.collections::HierarchicalCollectionView/refresh()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/collections/HierarchicalCollectionView.as:483]
at mx.controls::AdvancedDataGridBaseEx/sortHandler()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGridBaseEx.as:8216]
at mx.controls::AdvancedDataGrid/sortHandler()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGrid.as:8646]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/framework/src/mx/core/UIComponent.as:13688]
at mx.controls::AdvancedDataGrid/headerReleaseHandler()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGrid.as:8680]
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/framework/src/mx/core/UIComponent.as:13688]
at mx.controls::AdvancedDataGridBaseEx/mouseUpHandler()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGridBaseEx.as:7331]
at mx.controls::AdvancedDataGrid/mouseUpHandler()[/Users/erik/Documents/ApacheFlex/git/flex-sdk4.14.1/frameworks/projects/advancedgrids/src/mx/controls/AdvancedDataGrid.as:8734]

Issue Links

• is duplicated by: FLEX-34174 AdvancedDataGrid throws RTE #1069 when its dataProvider is GroupingCollection2 and selectedItem set programmatically
• is related to: FLEX-35031 HierarchicalCollectionViewCursor cannot find sealed class instance