Thanks for the test code. I am fairly sure that this is a bug, although
I don't know the cause yet. For some reason, it is only affecting this
time zone - America/New_York and America/Chicago are OK for example.
Stephen
Jason Wilson wrote:
> The following program, tested against Joda 1.5.1 (2007-12-04 13:07)
> shows that Joda is not able to parse date/times for a period of 5
> hours on a particular day in the America/Guatemala timezone.
> Everything works fine in UTC. Because the program does not supply
> daylight savings time specifiers, it would be OK for Joda to block out
> 1 hour but 5 hours is indicative of a bug.
>
> Hopefully someone will be able to find the source of this bug and add
> this testcase to your unit tests. I appreciate your help.
>
> import org.joda.time.DateTimeZone;
> import org.joda.time.Instant;
> import org.joda.time.ReadableInstant;
> import org.joda.time.MutableDateTime;
> import org.joda.time.format.DateTimeFormat;
> import org.joda.time.format.DateTimeFormatter;
>
> import java.util.Locale;
>
> /**
> * A simple program to demonstrate a parsing problem with the Joda parsing
> * routines for a particular timezone. Although the date format does not
> * include the daylight savings time information, at most that makes a single
> * hour ambiguous. This program shows that several hours are not parse-able.
> */
> public class DateTimeParseBug {
>
> public static void main(String argv[]) {
> DateTimeFormatter fmt = DateTimeFormat.shortDateTime();
> Locale locale = Locale.US;
> DateTimeZone timeZone = DateTimeZone.forID("America/Guatemala");
>
> // This works
> fmt.withZone(timeZone).parseDateTime("10/1/06 5:00 AM");
>
> // But none of these work even though the time zone changes the day before
> // happens at midnight (which causes 11pm on 9/30 to be repeated)
> fmt.withZone(timeZone).parseDateTime("10/1/06 4:00 AM");
> fmt.withZone(timeZone).parseDateTime("10/1/06 3:00 AM");
> fmt.withZone(timeZone).parseDateTime("10/1/06 2:00 AM");
> fmt.withZone(timeZone).parseDateTime("10/1/06 1:00 AM");
> }
>
> }
>
>
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