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https://issues.apache.org/jira/browse/WICKET-3249?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Juergen Donnerstag resolved WICKET-3249.
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Resolution: Fixed
Fix Version/s: 1.5-M4
Assignee: Juergen Donnerstag
> DateConverter improperly converts time, causing different results between
> DateField and DateTimeField
> -----------------------------------------------------------------------------------------------------
>
> Key: WICKET-3249
> URL: https://issues.apache.org/jira/browse/WICKET-3249
> Project: Wicket
> Issue Type: Bug
> Components: wicket-datetime
> Affects Versions: 1.4.6
> Reporter: Tauren Mills
> Assignee: Juergen Donnerstag
> Priority: Minor
> Fix For: 1.5-M4
>
> Attachments: DatePickerTest.java, fix-WICKET-DateConverter.patch,
> TestDateConverter.java
>
>
> With a DateTimeField and a DateField in a wicket form, submit the following:
> DateTimeField: [ 11/06/2010 ] date, [ 0 ] hour, [ 0 ] min
> DateField: [ 11/06/2010 ] date
> Those should result in the same value. But look at the converted Date values,
> and you'll see this:
> dateTimeField: 2010-11-06T07:00:00Z
> dateField: 2010-11-06T23:00:00Z
> The dateTimeField value is what I'd expect - the UTC value of midnight in my
> timezone on 11/6/2010. It look like dateField is just wrong and that
> DateConverter isn't dealing with timezone conversions properly. Here's the
> scenario:
> * Server OS, Java, and Database are all configured to use UTC timezone.
> * Web client is configured in America/Los_Angeles timezone (currently
> UTC-08:00, or PST).
> * Currently logged in member has profile configured to use
> America/Los_Angeles timezone.
> * Application WebClientInfo has timezone set from the user's profile, like
> such:
> ClientInfo ci = Session.get().getClientInfo();
>
> ((WebClientInfo)ci).getProperties().setTimeZone(TimeZone.getTimeZone(member.getTimezone()));
> Anywhere that dates are handled in the application with DateLabel or
> DateTimeField, they seem to be properly converted by Wicket to and from
> America/Los_Angeles time to UTC time for storage in the database. Examining
> the database shows a 7 or 8 hour difference between the time in the UI and
> the time in the database (depending on DST or not).
> However, when using org.apache.wicket.extensions.yui.calendar.DateField,
> dates are getting converted/persisted incorrectly. I just traced through
> DateConverter.convertToObject() to see what was happening. Assume it is
> currently 2010-12-10 00:43 PST(-8). My client timezone is set to PST (-8), as
> is my profile timezone. I specify 2010-11-06 in the DateField. It does this:
> 1. Creates a Joda value using DateMidnight right now in UTC (the date/time
> right now in UTC, setting the time portion to midnight UTC. This will be a
> time before now, not after now, as midnight is the first instant of a day,
> not the last instant of a day). 2010-12-10T00:00:00Z
> 2. Converts this Joda value to the client's timezone.
> 2010-12-09T16:00:00-08:00
> 3. Joda parses the submitted text value into the Joda value.
> 2010-11-06T16:00:00-07:00
> 4. Converts the Joda value to the server's timezone. 2010-11-06T23:00:00Z
> The value should result in 2010-11-06T07:00:00Z, which converts to
> 2010-11-06T00:00:00-08:00, or midnight on 11/6 in the PST timezone, but it
> doesn't. Or am I missing something and there is a reason for this? It seems
> like a bug to me.
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