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From Holger Hoffstätte (JIRA) <j...@apache.org>
Subject [jira] Created: (POOL-89) Inconsistency with TestGenericKeyedObjectPool.testMaxTotalLRU
Date Mon, 30 Oct 2006 13:34:16 GMT
Inconsistency with TestGenericKeyedObjectPool.testMaxTotalLRU
-------------------------------------------------------------

                 Key: POOL-89
                 URL: http://issues.apache.org/jira/browse/POOL-89
             Project: Commons Pool
          Issue Type: Bug
    Affects Versions: Nightly Builds
         Environment: Windows XP, Sun JDK 1.4.2_09

            Reporter: Holger Hoffstätte


While working on POOL-88 I noticed that *sometimes* testMaxTotalLRU fails:

junit.framework.AssertionFailedError: expected same:<a0> was not:<a5>
	at junit.framework.Assert.fail(Assert.java:47)
	at junit.framework.Assert.failNotSame(Assert.java:278)
	at junit.framework.Assert.assertSame(Assert.java:242)
	at junit.framework.Assert.assertSame(Assert.java:249)
	at org.apache.commons.pool.impl.TestGenericKeyedObjectPool.testMaxTotalLRU(TestGenericKeyedObjectPool.java:278)

This seems to be a timing issue - Thread.sleep(10) is (in my experience) way too small as
interval to be reliable. I first suspected some obscure breakage with my patch but could still
reproduce this when simply running testMaxTotalLRU repeatedly against the virgin version.


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