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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2015/11/08 22:08:10 UTC

[jira] [Updated] (COLLECTIONS-334) map.StaticBucketMap.size() needs to synchronize access to lock

     [ https://issues.apache.org/jira/browse/COLLECTIONS-334?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart updated COLLECTIONS-334:
----------------------------------------
    Fix Version/s: 3.2.2

> map.StaticBucketMap.size() needs to synchronize access to lock
> --------------------------------------------------------------
>
>                 Key: COLLECTIONS-334
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-334
>             Project: Commons Collections
>          Issue Type: Bug
>          Components: Collection
>         Environment: collections_jdk5_branch
>            Reporter: Sebb
>            Assignee: Jochen Wiedmann
>             Fix For: 3.2.2, 4.0-alpha1, 4.0
>
>
> The field Lock.size is updated using synchronization, however the StaticBucketMap.size() method reads the values without synch.
> If the read is done in a different thread from the updates, there is no guarantee that the reading thread will see the most recent value.



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