[jbosscache-issues] [JBoss JIRA] Created: (JBCACHE-1499) Race condition in RegionManager.createRegion

[Dennis Reed (JIRA)]

Race condition in RegionManager.createRegion
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                 Key: JBCACHE-1499
                 URL: https://jira.jboss.org/jira/browse/JBCACHE-1499
             Project: JBoss Cache
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: Eviction
    Affects Versions: 1.4.X
            Reporter: Dennis Reed
            Assignee: Manik Surtani


There is a race condition in RegionManager.createRegion.

If two calls to create a region with the same FQN come in at the same time, they may both succeed.

The last one to be added will win in the RegionManager (stored in a ConcurrentHashMap), while the first will win in the EvictionTimerTask (stored in a HashSet).

This will cause the Region to not be monitored for evictions, and allow the eviction queue to fill up.

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