[jira] [Resolved] (SOLR-4548) Stalled shutdown observed running TestSolrProperties

["Erick Erickson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-4548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Erick Erickson resolved SOLR-4548.
----------------------------------

    Resolution: Cannot Reproduce

Hoss:

I finally got by my problem with running this test individually and ran TestSolrProperties 1,000 times both on trunk and 4x. Given that I did re-work the locking code since you reported this and that I can't get it to break I'm closing this JIRA.

Thanks for the stack traces, they helped me know where to look....

Of course if you disagree feel free to reopen. And if you see this again, holler.
                
> Stalled shutdown observed running TestSolrProperties
> ----------------------------------------------------
>
>                 Key: SOLR-4548
>                 URL: https://issues.apache.org/jira/browse/SOLR-4548
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Hoss Man
>            Assignee: Erick Erickson
>         Attachments: TestSolrProperties.testProperties.stalled_1208_dump2.txt, TestSolrProperties.testProperties.stalled_1208_dump.txt, TestSolrProperties.testProperties.stalled_1328_dump.txt, TestSolrProperties.testProperties.stalled_788_dump2.txt, TestSolrProperties.testProperties.stalled_788_dump.txt
>
>
> Running the full tests suite against trunk r1454630 i noticed "TestSolrProperties.testProperties" stalled for a whle and begin taking thread dumps.
> All of the dumps seem to follow the same basic structure: 
> * a handfull of searcherExecutor threads WAITING on the ThreadPoolExecutor
> * the main test thread in CoreContainer.shutdown locked & waiting on CloserThread
> * CloserThread locked & waiting on an Object
> There's no indication that the problem has anything to do with this test, it seems like a generic porblem that could affect any solr users on shutdown.

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