[LUCENE-2678] TestCachingSpanFilter sometimes fails

• Type: Test
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 3.1, 4.0-ALPHA
• Component/s: core/search
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Simon Willnauer
• Created: 01/Oct/10 13:40
• Updated: 28/Aug/22 12:33
• Resolved: 01/Oct/10 20:24

Description

if I run

 
ant test -Dtestcase=TestCachingSpanFilter -Dtestmethod=testEnforceDeletions -Dtests.seed=5015158121350221714:-3342860915127740146 -Dtests.iter=100

I get two failures on my machine against current trunk

 

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

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