[POOL-122] java.util.Timer in EvictionTimer does not recover from OutOfMemoryError in Evictor

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3, 1.4
• Fix Version/s: 1.5

Environment

any

• Assignee: Unassigned
• Reporter: Marcus Schulte
• Created: 02/Feb/08 16:01
• Updated: 19/Jun/09 16:13
• Resolved: 01/Apr/09 16:46

Description

GenericKeyedObjectPool.Evictor.run() catches and ignores Exceptions, but not Errors, like OOME. Consequently, when, due to load-peeks an OOME is thrown in the evictor's timer-thread it dies miserably and no eviction will happen again in any of the pools loaded within the same class-loader (because the eviction timer is a static member). Also, the creation of evicting pools will fail with IllegalStateException.

Possible fixes:
1. catch Throwable in GenericKeyedObjectPool.Evictor.run()
2. check and eventually re-instantiate the Eviction-Timer.