On Feb 10, 2010, at 9:49 PM, Lachlan Deck wrote:
Hi all,
I've been debugging a problem we've got where the fetched timestamp
is 1 hour out for times that fall after (or close after) the date
when day light savings comes off.
That seems pretty normal for Java where a day is 24 * 60 * 60 * 1000
milliseconds, not a day like we usually think of it. If I don't care
about the time, I just set it to 12:00 noon. So when Java adjusts the
time, it is 11AM or 1PM, but at least on the correct day. Is that
what you are seeing? Or am I misunderstanding the problem?
Viewing the data in mysql the times are correct for Sydney
(unfortunately the deployment db is not in UTC but Australia/Sydney
time... out of my hands). When fetching a list of records all of
them have the same endTimestamp value .. but once we have an
NSTimestamp the last record which falls over the boundary is wrong.
I am having a hard time parsing that last sentence.
Chuck
So I experimented by created another field on the entity which maps
to the same external field (as a read-only field) and utilising a
custom class (ISHDate) with factory method 'parseDate(String)' to
see what's coming in... and it's wrong there too.
I've played with various mysql jconnector params to see what happens.
...&zeroDateTimeBehavior=convertToNull
...&useGmtMillisForDatetimes=true
...&useTimezone=true&serverTimezone=Australia/Sydney
...&useLegacyDatetimeCode=true
And I've updated all the zoneinfo stuff to the latest on my system
and in all the jars/frameworks. Still no good.
Further suggestions?
Cheers.
with regards,
--
Lachlan Deck
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--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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