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https://issues.apache.org/jira/browse/TRINIDAD-1419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias Weßendorf resolved TRINIDAD-1419.
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Resolution: Fixed
Fix Version/s: 1.2.13-core
1.0.12-core
Assignee: Matthias Weßendorf
> Trinidad chooseDate golden files break with daylight savings
> ------------------------------------------------------------
>
> Key: TRINIDAD-1419
> URL: https://issues.apache.org/jira/browse/TRINIDAD-1419
> Project: MyFaces Trinidad
> Issue Type: Bug
> Components: Components
> Reporter: Yee-Wah Lee
> Assignee: Matthias Weßendorf
> Fix For: 1.0.12-core, 1.2.13-core
>
> Attachments: trin12_1419.diff
>
>
> This is a result of Trinidad-1349. The server and client both use the
> current date (System.currentTimeMillis) to determine the timezone offset,
> called baseTZOffset. If the date being rendered has a different timezone
> offset (called currTZOffset), it will append the timezone offset of the
> server in that particular date-link. The client uses currTZOffset to
> calculate how many hours to adjust the selected date-time by.
> The code solves the problem mentioned in the original bug, but it also
> causes problems for the chooseDate golden files. The baseTZOffset shifts
> depending on the current daylight settings, hence the link being generated
> will reflect that difference.
> For example, suppose chooseDate test uses current date as July 27 2005, and
> timezone in trinidad-config is set to "Pacific Standard Time". In PST, the
> timezone offset is -8h (-480) . In PDT, the timezone offset is -7h (-420),
> which is also the timezone offset of July 27 2005.
> chooseDate golden file in PST
> <a onclick="return _calsd('dateid',1122447600000, -420)"
> because baseTZOffset = -480, currTZOffset = -420. The client needs to use
> -420 when calculating the timezone difference on that day.
> chooseDate golden file in PDT:
> <a onclick="return _calsd('dateid',1122447600000)"
> because baseTZoffset = currTZOffset = -420. The client can directly use
> baseTZoffset.
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