Hi, I verified that using java.locale.providers=COMPAT with java 9 makes the AKST to be parsed as America/Juneau
Is http://bugreport.java.com/ the correct way to file a jira? Le mer. 11 oct. 2017 à 10:50, Naoto Sato <naoto.s...@oracle.com> a écrit : > (replying to appropriate aliases, instead of generic jdk9-dev alias) > > Hi Clément, > > The locale data, where those time zone names are derived from, have been > switched to use Unicode Consortium's CLDR, instead of the ones that are > previously used prior to JDK9. So there will be some differences you may > encounter. However it seems not right to parse "AKST" to SystemV time > zone. I'd appreciate it if you file a JIRA issue for this. > > In the mean time, you can revert to the JDK8 behavior by setting the > system property "-Djava.locale.providers=COMPAT" to the command line. > > HTH, > Naoto > > On 10/10/17 7:37 PM, Clément Guillaume wrote: > > Hello, > > > > When parsing a date time string that contains a time zone like AKST, > AKDT, > > HST or AST with a DateTimeFormatter built from a pattern containing 'z', > > java 9 returns the SystemV variant of those timezone, which then behave > > differently as the "modern" ones. Looks like it's also an issue with long > > time zone ("Alaska Standard Time") > > > > From my digging I noticed that the PrefixTree generated > > by ZoneTextPrinterParser.getTree is different in java 8 and java 9, and > > this may be caused by a different order in the content returned > > by TimeZoneNameUtility.getZoneStrings(Locale.getDefault()) > > > > Is this an expected behavior of java 9? (other american time zones are > > parsed to the modern version: PST -> America/Los_Angeles) > > > > I tested it with java 9 build 9+181 and java 8 build 1.8.0_131-b11 (both > > linux 64 with en_US as local) on this code: > > > > import java.time.ZoneOffset; > > import java.time.format.DateTimeFormatter; > > import java.time.temporal.TemporalAccessor; > > > > public class Main{ > > > > public static void main(String[] args){ > > DateTimeFormatter timezoneFormatter = DateTimeFormatter.ofPattern("z"); > > TemporalAccessor temporalAccessor = timezoneFormatter.parse("AKST"); > > System.out.println(temporalAccessor); > > temporalAccessor = timezoneFormatter.parse("AKDT"); > > System.out.println(temporalAccessor); > > temporalAccessor = timezoneFormatter.parse("HST"); > > System.out.println(temporalAccessor); > > temporalAccessor = timezoneFormatter.parse("AST"); > > System.out.println(temporalAccessor); > > > > DateTimeFormatter isoFormatter = > > > DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mmX").withZone(ZoneOffset.UTC); > > temporalAccessor = > > > DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSz").parse("2017-09-13T06:30:33.123AKST"); > > System.out.println(temporalAccessor); > > System.out.println(isoFormatter.format(temporalAccessor)); > > temporalAccessor = > > > DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSSVV").parse("2017-09-13T06:30:33.123America/Anchorage"); > > System.out.println(temporalAccessor); > > System.out.println(isoFormatter.format(temporalAccessor)); > > } > > > > } > > >
