[OPENJPA-2725] fix ConcurrentModificationException during unrefed dependents cleanup

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.3, 2.4.2
• Fix Version/s: 2.4.3, 3.0.0
• Component/s: kernel
• Assignee: Francesco Chicchiriccò
• Reporter: Eran Levy
• Created: 03/Jan/18 13:45
• Updated: 04/Jan/18 08:22
• Resolved: 03/Jan/18 15:38

Description

Committed a fix - pull request #9: https://github.com/apache/openjpa/pull/9

In some situations there are state elements in _derefCache HashSet causing ConcurrentModificationException because set has been modified during iteration.
Copy all elements into another set and calling the same deleteDeref(StateManagerImpl sm) function.

Issue Links

• links to: GitHub Pull Request #9