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Posted to dev@lucene.apache.org by "Hoss Man (JIRA)" <ji...@apache.org> on 2014/01/10 02:37:50 UTC
[jira] [Resolved] (SOLR-5618) false query result cache hits
possible when duplicate filter queries exist in one query -- discovered
via: Reproducible failure from TestFiltering.testRandomFiltering
[ https://issues.apache.org/jira/browse/SOLR-5618?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man resolved SOLR-5618.
----------------------------
Resolution: Fixed
Fix Version/s: 4.7
5.0
> false query result cache hits possible when duplicate filter queries exist in one query -- discovered via: Reproducible failure from TestFiltering.testRandomFiltering
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-5618
> URL: https://issues.apache.org/jira/browse/SOLR-5618
> Project: Solr
> Issue Type: Bug
> Affects Versions: 4.5, 4.5.1, 4.6
> Reporter: Hoss Man
> Assignee: Hoss Man
> Fix For: 5.0, 4.7, 4.6.1
>
> Attachments: SOLR-5618.patch, SOLR-5618.patch, SOLR-5618.patch, SOLR-5618.patch, SOLR-5618.patch
>
>
> SOLR-5057 introduced a bug in queryResultCaching such that the following circumstances can result in a false cache hit...
> * identical main query in both requests
> * identical number of filter queries in both requests
> * filter query from one request exists multiple times in other request
> * sum of hashCodes for all filter queries is equal in both request
> Details of how this problem was initially uncovered listed below...
> ----
> uwe's jenkins found this in java8...
> http://jenkins.thetaphi.de/job/Lucene-Solr-trunk-Linux/9004/consoleText
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestFiltering -Dtests.method=testRandomFiltering -Dtests.seed=C22042E80957AE3E -Dtests.multiplier=3 -Dtests.slow=true -Dtests.locale=ar_LY -Dtests.timezone=Asia/Katmandu -Dtests.file.encoding=UTF-8
> [junit4] FAILURE 16.9s J1 | TestFiltering.testRandomFiltering <<<
> [junit4] > Throwable #1: java.lang.AssertionError: FAILURE: iiter=11 qiter=336 request=[q, {!frange v=val_i l=0 u=1 cost=139 tag=t}, fq, {!frange v=val_i l=0 u=1}, fq, {! cost=92}-_query_:"{!frange v=val_i l=1 u=1}", fq, {!frange v=val_i l=0 u=1 cache=true tag=t}, fq, {! cache=true tag=t}-_query_:"{!frange v=val_i l=1 u=1}"]
> [junit4] > at __randomizedtesting.SeedInfo.seed([C22042E80957AE3E:DD43E12DEC70EE37]:0)
> [junit4] > at org.apache.solr.search.TestFiltering.testRandomFiltering(TestFiltering.java:327)
> {noformat}
> The seed fails consistently for me on trunk using java7, and on 4x using both java7 and java6 - details to follow in comment.
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