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From "Karl Pauls (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FELIX-2646) [Framework] Locking could be used to prevent concurrent access to a single bundle cache
Date Wed, 27 Oct 2010 20:49:19 GMT

    [ https://issues.apache.org/jira/browse/FELIX-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12925544#action_12925544
] 

Karl Pauls commented on FELIX-2646:
-----------------------------------

I think this makes sense and the patch looks good.

> [Framework] Locking could be used to prevent concurrent access to a single bundle cache
> ---------------------------------------------------------------------------------------
>
>                 Key: FELIX-2646
>                 URL: https://issues.apache.org/jira/browse/FELIX-2646
>             Project: Felix
>          Issue Type: New Feature
>          Components: Framework
>    Affects Versions: framework-3.0.4
>            Reporter: Richard S. Hall
>            Priority: Minor
>             Fix For: framework-3.2.0
>
>         Attachments: FELIX-2646.txt
>
>
> Currently, the framework completely ignores concurrent access to the same bundle cache
and leaves it as a configuration issue. The downside of this approach is that a mistaken configuration
could corrupt your bundle cache. We could avoid this by introducing some sort of bundle cache
locking protocol using java.nio.channels.FileLock. I think it would be sufficient to simply
implement a fail-fast locking protocol.

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