[FLEX-19507] Exception appears occasionally after tree node having sub-nodes is collapsed by Double clicking on disclosure icon

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Cannot Reproduce
• Affects Version/s: Adobe Flex SDK 3.3 (Release)
• Component/s: MXML Components
• Environment: Affected OS(s): Windows; Affected OS(s): Windows XP; Browser: Internet Explorer 6.x; Language Found: English
• Assignee: Adobe JIRA
• Reporter: Adobe JIRA
• Created: 28/May/09 07:29
• Updated: 11/Jan/10 11:17
• Resolved: 11/Jan/10 11:16

Description

Steps to reproduce:
1. Expand root node, having sub-nodes
2. doubleclick disclosure icon to collapse

Actual Results:
Following exception appears:

TypeError: Error #1010: A term is undefined and has no properties.
at mx.controls::Tree/expandItem()
at mx.controls::Tree/http://www.adobe.com/2006/flex/mx/internal::expandItemHandler()
at flash.events::EventDispatcher/dispatchEventFunction()
at flash.events::EventDispatcher/dispatchEvent()
at mx.core::UIComponent/dispatchEvent()
at mx.controls::Tree/http://www.adobe.com/2006/flex/mx/internal::dispatchTreeEvent()
at mx.controls.treeClasses::TreeItemRenderer/disclosureMouseDownHandler()

Expected Results:
tree node should be collapsed

Workaround (if any):