[UIMA-5497] uv3 copy on write generation bugs

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0SDK-alpha02
• Fix Version/s: 3.0.0SDK-beta
• Assignee: Marshall Schor
• Reporter: Marshall Schor
• Created: 18/Jul/17 17:22
• Updated: 01/Sep/17 18:47
• Resolved: 01/Sep/17 18:47

Description

Race condition possible in copy on write generation. Also missing for bag. unify parts with more sharing via refactoring, guarantee no gc of weak ref before can hold on to it.