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From "Benson Margulies (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3803) Using a searcher with an executor service does not work from within a Callable called by that same executor service
Date Mon, 20 Feb 2012 00:48:34 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benson Margulies updated LUCENE-3803:
-------------------------------------

    Description: 
The test case I'm about to attach creates an executor service uses invokeAll to run things
from it. The 'things' (Callable) that it runs in turn run Lucene searchers using a searcher
that has the very same executor service. This turns out to hit some sort of deadlock related
to the executor service queue. 

I won't be terribly surprised if this is really a matter of a fundamental limitation of the
executor service, but if nothing else this JIRA might provoke a warning in the javadoc. Or,
what do I know, maybe there's a way Lucene could interact with the executor service that gets
along with this?




  was:
The test case I'm about to attach creates an executor service uses invokeAll to run things
from it. The 'things' (Callable) that it runs in turn run Lucene searchers using a searcher
that has the very same executor service. This turns out to hit some sort of deadlock related
to the executor service queue. 

I won't be terribly surprised if this is really a matter of a fundamental limitation of the
executor service, but if nothing else this JIRA might provoke a warning in the javadoc. Or,
what do I know, maybe there's a way Lucene could interact with the executor service that gets
along with this?


    
> Using a searcher with an executor service does not work from within a Callable called
by that same executor service
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: LUCENE-3803
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3803
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: core/search
>    Affects Versions: 3.5
>            Reporter: Benson Margulies
>         Attachments: lucene-tc.tgz
>
>
> The test case I'm about to attach creates an executor service uses invokeAll to run things
from it. The 'things' (Callable) that it runs in turn run Lucene searchers using a searcher
that has the very same executor service. This turns out to hit some sort of deadlock related
to the executor service queue. 
> I won't be terribly surprised if this is really a matter of a fundamental limitation
of the executor service, but if nothing else this JIRA might provoke a warning in the javadoc.
Or, what do I know, maybe there's a way Lucene could interact with the executor service that
gets along with this?

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