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https://issues.apache.org/jira/browse/SOLR-12155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438824#comment-16438824
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Mikhail Khludnev commented on SOLR-12155:
-----------------------------------------
I've checked my inbox, this test fails on Policeman Jenkins with the same
reason:
{quote}
[junit4] 2> 2243589 INFO (coreCloseExecutor-5165-thread-1) [
x:collection1] o.a.s.m.r.SolrJmxReporter Closing reporter
[org.apache.solr.metrics.reporters.SolrJmxReporter@35c0872f: rootName = null,
domain = solr.core.collection1, service url = null, agent id = null] for
registry solr.core.collection1 / com.codahale.metrics.MetricRegistry@307026
[junit4] 2> 2255707 ERROR (coreCloseExecutor-5165-thread-1) [
x:collection1] o.a.s.c.CachingDirectoryFactory Timeout waiting for all
directory ref counts to be released - gave up waiting on
CachedDir<<refCount=1;path=/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J1/temp/solr.request.TestUnInvertedFieldException_B3E630E2E5E2CC5C-001/init-core-data-001/index;done=false>>
[junit4] 2> 2255707 ERROR (coreCloseExecutor-5165-thread-1) [
x:collection1] o.a.s.c.CachingDirectoryFactory Error closing
directory:org.apache.solr.common.SolrException: Timeout waiting for all
directory ref counts to be released - gave up waiting on
CachedDir<<refCount=1;path=/home/jenkins/workspace/Lucene-Solr-master-Linux/solr/build/solr-core/test/J1/temp/solr.request.TestUnInvertedFieldException_B3E630E2E5E2CC5C-001/init-core-data-001/index;done=false>>
..
[junit4] > Throwable #1: java.lang.AssertionError: ObjectTracker found 4
object(s) that were not released!!! [SolrCore, MockDirectoryWrapper,
SolrIndexSearcher, MockDirectoryWrapper]
{quote}
What can it cause?
> Solr 7.2.1 deadlock in UnInvertedField.getUnInvertedField()
> ------------------------------------------------------------
>
> Key: SOLR-12155
> URL: https://issues.apache.org/jira/browse/SOLR-12155
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Affects Versions: 7.2.1
> Reporter: Kishor gandham
> Assignee: Mikhail Khludnev
> Priority: Major
> Fix For: 7.4, master (8.0)
>
> Attachments: 21832-consoleText.txt.zip, SOLR-12155.patch,
> SOLR-12155.patch, SOLR-12155.patch, SOLR-12155.patch, SOLR-12155.patch,
> stack.txt
>
>
> I am attaching a stack trace from our production Solr (7.2.1). Occasionally,
> we are seeing SOLR becoming unresponsive. We are then forced to kill the JVM
> and start solr again.
> We have a lot of facet queries and our index has approximately 15 million
> documents. We have recently started using json.facet queries and some of the
> facet fields use DocValues.
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