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From "Marnie McCormack (JIRA)" <qpid-...@incubator.apache.org>
Subject [jira] Resolved: (QPID-2042) update to the management access rights may not be saved to disk, but still report success
Date Thu, 10 Dec 2009 16:10:18 GMT

     [ https://issues.apache.org/jira/browse/QPID-2042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marnie McCormack resolved QPID-2042.
------------------------------------

    Resolution: Fixed

Changes reviewed, look ok with use of random rather than tmp which was causing filesystem
issues on some platforms for the move. Probably would be good to add some FAQ entries to the
docs with the error/warn messages generated and what the user could do it (for example) the
access rights file back up cannot be copied back to the original leaving them right-less.

> update to the management access rights may not be saved to disk, but still report success
> -----------------------------------------------------------------------------------------
>
>                 Key: QPID-2042
>                 URL: https://issues.apache.org/jira/browse/QPID-2042
>             Project: Qpid
>          Issue Type: Bug
>          Components: Java Broker
>    Affects Versions: 0.5
>            Reporter: Robbie Gemmell
>            Assignee: Martin Ritchie
>            Priority: Critical
>             Fix For: 0.6
>
>
> update to the management access rights may not be saved to disk, but still report success
> Certain use of the File.renameTo() function is not accompanied by a check of the boolean
result, meaning a failed rename can leave the new file in the wrong location. As a result
the existing file may not be replaced without indication of error, though the cached rights
will have been updated, meaning the update would appear successful but simply be temporary.
This has been observed in a situation where the OS Temp dir is on one (local) file system,
and the broker configuration is on another (remote NFS) filesystem, which caused the rename
to fail unnoticed.

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