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https://issues.apache.org/jira/browse/SOLR-18588?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nick Shanin resolved SOLR-18588.
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    Resolution: Duplicate

> TestTermsQParserPlugin reports 16 unreleased SolrMetricsContext objects in 
> the 10.1.0 RC3 smoke tests
> -----------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-18588
>                 URL: https://issues.apache.org/jira/browse/SOLR-18588
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Nick Shanin
>            Priority: Major
>
> h2. What was seen
> In one of five completed runs of the Solr 10.1.0 RC3 smoke tester (artifacts 
> rev {{749712b71940c9f96d824c533f32f5c56dcd3924}}, JDK 21.0.12.1, aarch64), 
> {{TestTermsQParserPlugin}} failed at class teardown: "ObjectTracker found 16 
> object(s) that were not released". All 16 were {{SolrMetricsContext}} objects 
> created through {{CoreAdminHandler.initializeMetrics}} during 
> {{CoreContainer.loadInternal}}.
> h2. What is not known yet
> The failure appeared in one run of five, so whether it repeats, and which 
> path creates the contexts without releasing them, is still to be established. 
> A similar category of failure (a metrics-related test failing) was reported 
> on the RC3 vote thread by David Smiley on an early JDK 21 build; he did not 
> name the test, so whether it is the same failure is unknown.
> h2. Related RC3 smoke failures
> RecoveryAfterSoftCommitTest is SOLR-18530 (fix in PR #5098) and 
> TestCoordinatorRole.testNRTRestart is SOLR-16630 (fix in PR #5106); neither 
> fix is in RC3.
> 🤖 _AI text above_ 🤖 _(reviewed by Nick Shanin)_



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