问题描述
SimpleDateFormat f = new SimpleDateFormat(yyyy-MM-dd T'HH:mm:ss'.000Z');
f.setLenient(false);
String dateStr =2012-03-11T02:46:01.000Z;
f.parse(dateStr);
当lenient为true时,它工作正常。它奇怪地用于输入日期 2012-03-01T02:46:01.000Z ,即使宽松为false。
正在使用的默认时区:PST
因为那个时间不存在于您的默认时区 - 它是日光节省时间变化的一天,时间从凌晨2点到凌晨3点,所以今天早上没有2:46。 :P
由于您正在解析UTC,请将 SimpleDateFormat
实例时区设置为UTC,如下所示:
f.setTimeZone(TimeZone.getTimeZone(UTC));
,您的问题会消失。
Why is this code throwing exception of unparseable date?
SimpleDateFormat f = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.000Z'");
f.setLenient(false);
String dateStr = "2012-03-11T02:46:01.000Z";
f.parse(dateStr);
It works fine when lenient is true. It strangely works for input date '2012-03-01T02:46:01.000Z' even with lenient as false.Default timezone being used : PST
Because that time does not exist in your default time zone—it was daylight savings time change day, and time jumped from 2:00 a.m. to 3:00 a.m., so there was no 2:46 that morning. :P
Since you’re parsing UTC, set the SimpleDateFormat
instance time zone to UTC like so:
f.setTimeZone(TimeZone.getTimeZone("UTC"));
and your problem will go away.
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