Yes. Please go ahead and file a bug report. Thanks.

Naoto

On 10/11/17 5:04 PM, Clément Guillaume wrote:
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 <mailto: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));
     > }
     >
     > }
     >

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