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https://issues.apache.org/jira/browse/LUCENE-5873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14231284#comment-14231284
]
Mikhail Khludnev commented on LUCENE-5873:
------------------------------------------
bq. Why can't it return the first child from the next block that the parent
scorer matches?
let's we have two parents matches foo:bar with numbers 10 and 20. the
suggestion implies that we return child 11. but if these blocks will be
rearranged at the next pass, this logic returns different docs. random tests
will fail.
> AssertionError in ToChildBlockJoinScorer.advance
> ------------------------------------------------
>
> Key: LUCENE-5873
> URL: https://issues.apache.org/jira/browse/LUCENE-5873
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Varun Thacker
> Priority: Minor
> Attachments: LUCENE-5873.patch, LUCENE-5873.patch
>
>
> When using ToChildBJQ and searching via IndexSearcher.search(Query query,
> Filter filter, int n) if we provide a filter which matches both parent and
> child documents we get this error
> {noformat}
> java.lang.AssertionError
> at
> __randomizedtesting.SeedInfo.seed([C346722DC1E4810C:A08F176AE828FA1D]:0)
> at
> org.apache.lucene.search.join.ToChildBlockJoinQuery$ToChildBlockJoinScorer.advance(ToChildBlockJoinQuery.java:286)
> at
> org.apache.lucene.search.FilteredQuery$LeapFrogScorer.advanceToNextCommonDoc(FilteredQuery.java:274)
> at
> org.apache.lucene.search.FilteredQuery$LeapFrogScorer.nextDoc(FilteredQuery.java:286)
> at
> org.apache.lucene.search.Weight$DefaultBulkScorer.scoreAll(Weight.java:192)
> at
> org.apache.lucene.search.Weight$DefaultBulkScorer.score(Weight.java:163)
> at org.apache.lucene.search.BulkScorer.score(BulkScorer.java:35)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:614)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:483)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:440)
> at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:273)
> at
> org.apache.lucene.search.join.TestBlockJoinValidation.testValidationForToChildBjqWithChildFilterQuery(TestBlockJoinValidation.java:124)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1618)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:827)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:863)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:877)
> at
> org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:110)
> at
> org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
> at
> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
> at
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
> at
> org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:49)
> at
> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
> at
> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
> at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> at
> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365)
> at
> com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:798)
> at
> com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:458)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:836)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:738)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:772)
> at
> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:783)
> at
> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:46)
> at
> org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
> at
> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
> at
> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
> at
> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
> at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> at
> org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:43)
> at
> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
> at
> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:65)
> at
> org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
> at
> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
> at
> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:365)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
> This was caught by test failures recored in SOLR-6295 . The reason why we
> send a filter is if the user would like to limit the child documents being
> matched.
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