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https://issues.apache.org/jira/browse/SOLR-7411?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley updated SOLR-7411:
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Attachment: SOLR-7411.patch
Here's a patch that fixes the issue by using a volatile. It also tries to
minimize the number of volatile reads by caching in a local variable at the
start of handleRequestBody
> Thread safety issue in SearchHandler: unsafe publication of components
> ----------------------------------------------------------------------
>
> Key: SOLR-7411
> URL: https://issues.apache.org/jira/browse/SOLR-7411
> Project: Solr
> Issue Type: Bug
> Reporter: Yonik Seeley
> Assignee: Yonik Seeley
> Attachments: SOLR-7411.patch
>
>
> Search handler falls prey to the double-checked locking bug for "components":
> http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html
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