EN
Java 8 fix for Exception when using LocalDateTime.now() format with zone Z - java.time.temporal.UnsupportedTemporalTypeException: Unsupported field: OffsetSeconds
13
points
1. Problem description
I would like to format date time now from LocalDateTime.now()
with formatter pattern
yyyy-MM-dd HH:mm Z
Full code which throws UnsupportedTemporalTypeException:
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
public class DateTimeFormatter_UnsupportedTemporalTypeException {
public static void main(String[] args) {
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm Z");
String format = fmt.format(LocalDateTime.now());
System.out.println(format);
}
}
When I run this code I get this stacktrace:
Exception in thread "main" java.time.temporal.UnsupportedTemporalTypeException: Unsupported field: OffsetSeconds
at java.time.LocalDate.get0(LocalDate.java:680)
at java.time.LocalDate.getLong(LocalDate.java:659)
at java.time.LocalDateTime.getLong(LocalDateTime.java:720)
at java.time.format.DateTimePrintContext.getValue(DateTimePrintContext.java:298)
at java.time.format.DateTimeFormatterBuilder$OffsetIdPrinterParser.format(DateTimeFormatterBuilder.java:3346)
at java.time.format.DateTimeFormatterBuilder$CompositePrinterParser.format(DateTimeFormatterBuilder.java:2190)
at java.time.format.DateTimeFormatter.formatTo(DateTimeFormatter.java:1746)
at java.time.format.DateTimeFormatter.format(DateTimeFormatter.java:1720)
2. Solution
// to solve this exception use:
ZonedDateTime.now()
// eg:
String format = fmt.format(ZonedDateTime.now());
// instead of using:
LocalDateTime.now()
Full working code example:
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
public class DateTimeFormatter_UnsupportedTemporalTypeException_Solution {
public static void main(String[] args) {
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm Z");
String format = fmt.format(ZonedDateTime.now());
System.out.println(format); // 2019-10-04 22:55 +0200
}
}
Output:
2019-10-04 22:55 +0200