[COLLECTIONS-334] map.StaticBucketMap.size() needs to synchronize access to lock

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.2.2, 4.0-alpha1, 4.0
• Component/s: Collection

Environment

collections_jdk5_branch

• Assignee: Jochen Wiedmann
• Reporter: Sebb
• Created: 11/Sep/09 17:46
• Updated: 08/Nov/15 21:07
• Resolved: 01/Mar/11 22:36

Description

The field Lock.size is updated using synchronization, however the StaticBucketMap.size() method reads the values without synch.

If the read is done in a different thread from the updates, there is no guarantee that the reading thread will see the most recent value.