Java 如何防止Joda Time在巴西DST转换期间引发异常
今天,我们的巴西用户正在为我们生成大量的事故报告。我追踪到了这段代码,它抛出了一个Joda异常:Java 如何防止Joda Time在巴西DST转换期间引发异常,java,jodatime,Java,Jodatime,今天,我们的巴西用户正在为我们生成大量的事故报告。我追踪到了这段代码,它抛出了一个Joda异常: import org.joda.time.DateTime; import org.joda.time.DateTimeUtils; import org.joda.time.DateTimeZone; import org.joda.time.LocalTime; public class ScratchSpace { public static void main(String[]
import org.joda.time.DateTime;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;
import org.joda.time.LocalTime;
public class ScratchSpace {
public static void main(String[] args) {
// force Joda to act like we are in Sao Paolo on 2015-10-18
DateTimeUtils.setCurrentMillisFixed(1445185758078L); // 2015-10-18T18:29
DateTimeZone.setDefault(DateTimeZone.forID("America/Sao_Paulo"));
// most of users have offset == 0, but it could be any number of millis from 0 to 86_400_000-1 (millis in day)
int offset = 0;
// local time at start of day + offset millis
final LocalTime localTime = LocalTime.fromMillisOfDay(offset);
// convert to a time on the current day
DateTime dateTime = localTime.toDateTimeToday(); // throws org.joda.time.IllegalFieldValueException exception
System.out.println("dateTime = " + dateTime);
}
}
Exception in thread "main" org.joda.time.IllegalFieldValueException: Value 0 for hourOfDay is not supported: Illegal instant due to time zone offset transition (daylight savings time 'gap'): 2015-10-18T00:29:18.078 (America/Sao_Paulo)
at org.joda.time.chrono.ZonedChronology$ZonedDateTimeField.set(ZonedChronology.java:486)
at org.joda.time.chrono.BaseChronology.set(BaseChronology.java:240)
at org.joda.time.LocalTime.toDateTimeToday(LocalTime.java:1287)
at org.joda.time.LocalTime.toDateTimeToday(LocalTime.java:1270)
例外情况:
import org.joda.time.DateTime;
import org.joda.time.DateTimeUtils;
import org.joda.time.DateTimeZone;
import org.joda.time.LocalTime;
public class ScratchSpace {
public static void main(String[] args) {
// force Joda to act like we are in Sao Paolo on 2015-10-18
DateTimeUtils.setCurrentMillisFixed(1445185758078L); // 2015-10-18T18:29
DateTimeZone.setDefault(DateTimeZone.forID("America/Sao_Paulo"));
// most of users have offset == 0, but it could be any number of millis from 0 to 86_400_000-1 (millis in day)
int offset = 0;
// local time at start of day + offset millis
final LocalTime localTime = LocalTime.fromMillisOfDay(offset);
// convert to a time on the current day
DateTime dateTime = localTime.toDateTimeToday(); // throws org.joda.time.IllegalFieldValueException exception
System.out.println("dateTime = " + dateTime);
}
}
Exception in thread "main" org.joda.time.IllegalFieldValueException: Value 0 for hourOfDay is not supported: Illegal instant due to time zone offset transition (daylight savings time 'gap'): 2015-10-18T00:29:18.078 (America/Sao_Paulo)
at org.joda.time.chrono.ZonedChronology$ZonedDateTimeField.set(ZonedChronology.java:486)
at org.joda.time.chrono.BaseChronology.set(BaseChronology.java:240)
at org.joda.time.LocalTime.toDateTimeToday(LocalTime.java:1287)
at org.joda.time.LocalTime.toDateTimeToday(LocalTime.java:1270)
我在OSX10.11上使用Java1.8.060,JodaTime2.8.2
什么样的解决方法可以让我正确地获取DateTime实例,该实例表示一天开始后偏移毫秒的当前时间?不要使用LocalTime。创建日期时间,并以毫秒为单位添加偏移量:
DateTime startOfDay = LocalDate.now().toDateTimeAtStartOfDay();
DateTime dateTime = startOfDay.plus(offset);
System.out.println("dateTime = " + dateTime);