[PIVOT-264] Concurrent modification check in ArrayList is too naive

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3
• Fix Version/s: 1.3
• Component/s: core-collections
• Assignee: Gregory K. Brown
• Reporter: Gregory K. Brown
• Created: 02/Sep/09 12:40
• Updated: 04/Sep/09 16:25
• Resolved: 02/Sep/09 12:58

Description

The current logic is not sufficient to detect item updates, only length changes. ArrayList needs to maintain a modificationCount variable that tracks all changes. This applies to LinkedList as well, which currently performs no concurrent modification checks.