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From "Aidan Skinner (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Resolved: (QPID-1972) UUID.randomUUID() is not thread-safe
Date Thu, 03 Dec 2009 22:38:26 GMT

     [ https://issues.apache.org/jira/browse/QPID-1972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aidan Skinner resolved QPID-1972.
---------------------------------

    Resolution: Fixed

I've applied Julien's patch from QPID-1987

> UUID.randomUUID() is not thread-safe
> ------------------------------------
>
>                 Key: QPID-1972
>                 URL: https://issues.apache.org/jira/browse/QPID-1972
>             Project: Qpid
>          Issue Type: Bug
>          Components: Dot Net Client
>    Affects Versions: M3, M4, 0.5
>         Environment: .net API
>            Reporter: Julien Lavigne du Cadet
>            Priority: Critical
>             Fix For: 0.6
>
>
> UUID.randomUUID is not thread-safe because it's using a static random object.
> However, recreating a random object each time the method is called is not an option because
2 successive calls might result in the same UUID.
> Please find attached in the next comment a patch that fixes the issue by introducing
a UUIDGenerator class. Now, to get a random UUID, you first need to instantiate a UUIDGenerator
and request it through it. That way there's no need to lock in the UUID class.
> Please note that this patch is BREAKING COMPABILITY with previous versions of the API
!
> The patch is also fixing 2 others issues : 
> - test.config is not included in the unit test project which result in half of the unit
tests failing 
> - the management console is not compiling with vs 2008 and .Net 2.0

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