如果我没记错的话:
mv /etc/localtime /etc/localtime_bak
把时区改成 UTCimport java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;
public class Main {
public static void main(String[] args) {
System.out.println(TimeZone.getDefault());
System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss ZZ").format(new Date()));
}
}
~> java -version
openjdk version "1.8.0_181"
OpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-2~deb9u1-b13)
OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)
~> cat /etc/localtime
cat: /etc/localtime: No such file or directory
~> date -R
Wed, 13 Mar 2019 10:00:03 +0000
~> cat /etc/issue
Debian GNU/Linux 9 \n \l
~> java Main
sun.util.calendar.ZoneInfo[id="US/Eastern",offset=-18000000,dstSavings=3600000,useDaylight=true,transitions=235,lastRule=java.util.SimpleTimeZone[id=US/Eastern,offset=-18000000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,startMonth=2,startDay=8,startDayOfWeek=1,startTime=7200000,startTimeMode=0,endMode=3,endMonth=10,endDay=1,endDayOfWeek=1,endTime=7200000,endTimeMode=0]]
2019-03-13 06:02:54 -0400
问题:
/etc/localtime
文件的,那怎么配置默认时区?不要命令行传参或代码里setDefault
1
c4f36e5766583218 OP 问题 1: 会使用"user.timezone"等来 setDefaultZone,具体可见源码
https://hg.openjdk.java.net/jdk8u/jdk8u/jdk/file/15a6dced59c3/src/share/classes/java/util/TimeZone.java#l643 估计卸载重装会修复~~~ 问题 2: 不知道... |