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Posted to dev@qpid.apache.org by "Kerry Bonin (JIRA)" <qp...@incubator.apache.org> on 2010/01/26 19:58:34 UTC
[jira] Updated: (QPID-1904) Timestamps are incorrect
[ https://issues.apache.org/jira/browse/QPID-1904?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kerry Bonin updated QPID-1904:
------------------------------
Attachment: qpid-1904.patch
The underlying problem appears to be as described - boost::posix::ptime inherits its epoch from the underlying platform, causing a discrepancy across some platforms. This is primarily an issue for Windows.
The applied patch adds a static variable to the Duration class equal to the qpid specified epoch in TimePrivate format, which is a boost::posix::ptime value, and initialized using the boost::Gregorian::date class. This is used in the Duration constructor taking an AbsTime value in place of ptime(min_date_time). The comments in Time.h are updated to reflect the epoch correction.
> Timestamps are incorrect
> ------------------------
>
> Key: QPID-1904
> URL: https://issues.apache.org/jira/browse/QPID-1904
> Project: Qpid
> Issue Type: Bug
> Components: Qpid Managment Framework
> Affects Versions: 0.5
> Environment: Windows XP
> Reproduced both with the python API and the .Net API
> Reporter: Julien Lavigne du Cadet
> Attachments: qpid-1904.patch, qpid-dates.png
>
>
> The timestamps for configuration and instrumentation messages are incorrect both with the python and the .Net api.
> According to the documentation "All timestamps are uint64 values representing nanoseconds since the epoch (January 1, 1970)." However, the dates resulting can be several years in the past or in the future.
> To reproduce with the python api :
> - in disp.py, line 178 add the following line :
> print gmtime (nsec / 1000000000)
> - start qpid-tool and list the queues => the full dates will be displayed
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