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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] Created: (LUCENE-2678) TestCachingSpanFilter sometimes fails
Date Fri, 01 Oct 2010 13:41:33 GMT
TestCachingSpanFilter sometimes fails
-------------------------------------

                 Key: LUCENE-2678
                 URL: https://issues.apache.org/jira/browse/LUCENE-2678
             Project: Lucene - Java
          Issue Type: Test
          Components: Search
            Reporter: Simon Willnauer
            Priority: Minor
             Fix For: 4.0


if I run 
{noformat} 
ant test -Dtestcase=TestCachingSpanFilter -Dtestmethod=testEnforceDeletions -Dtests.seed=5015158121350221714:-3342860915127740146
-Dtests.iter=100
{noformat} 

I get two failures on my machine against current trunk
{noformat} 

junit-sequential:
    [junit] Testsuite: org.apache.lucene.search.TestCachingSpanFilter
    [junit] Testcase: testEnforceDeletions(org.apache.lucene.search.TestCachingSpanFilter):
FAILED
    [junit] expected:<2> but was:<3>
    [junit] junit.framework.AssertionFailedError: expected:<2> but was:<3>
    [junit] 	at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:795)
    [junit] 	at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:768)
    [junit] 	at org.apache.lucene.search.TestCachingSpanFilter.testEnforceDeletions(TestCachingSpanFilter.java:101)
    [junit] 
    [junit] 
    [junit] Testcase: testEnforceDeletions(org.apache.lucene.search.TestCachingSpanFilter):
FAILED
    [junit] expected:<2> but was:<3>
    [junit] junit.framework.AssertionFailedError: expected:<2> but was:<3>
    [junit] 	at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:795)
    [junit] 	at org.apache.lucene.util.LuceneTestCase$LuceneTestCaseRunner.runChild(LuceneTestCase.java:768)
    [junit] 	at org.apache.lucene.search.TestCachingSpanFilter.testEnforceDeletions(TestCachingSpanFilter.java:101)
    [junit] 
    [junit] 
    [junit] Tests run: 100, Failures: 2, Errors: 0, Time elapsed: 2.297 sec
    [junit] 
    [junit] ------------- Standard Output ---------------
    [junit] NOTE: reproduce with: ant test -Dtestcase=TestCachingSpanFilter -Dtestmethod=testEnforceDeletions
-Dtests.seed=5015158121350221714:-3342860915127740146
    [junit] NOTE: reproduce with: ant test -Dtestcase=TestCachingSpanFilter -Dtestmethod=testEnforceDeletions
-Dtests.seed=5015158121350221714:-3342860915127740146
    [junit] NOTE: test params are: codec=MockVariableIntBlock(baseBlockSize=43), locale=fr,
timezone=Africa/Bangui
    [junit] ------------- ---------------- ---------------
    [junit] Test org.apache.lucene.search.TestCachingSpanFilter FAILED
{noformat}

not sure what it is but it seems likely to be a WeakRef / GC issue in the cache. 

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