Why am I getting a parse exception when I try to parse the current LocalDateTime

Question

I am trying to parse a LocalDate with a custom formatter but it is throwing following error. What am I doing wrong?

Error:

// The local date time now value is 2019-09-19T14:42:23.837 java.time.format.DateTimeParseException: Text '2019-09-19T14:42:23.837' could not be parsed at index 10

Code:

DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");
        LocalDateTime timeStamp = LocalDateTime.parse(LocalDateTime.now().toString(), formatter);

The question why you want to format a LocalDateTime to get LocalDateTime?? — Youcef LAIDANI, Sep 19 '19 at 13:51
@YCF_L I am just looking to format the current date time to yyyy-MM-dd HH:mm:ss.SSS and following that get String value out of it via timeStamp.toString(). — karvai, Sep 19 '19 at 13:52
In this case String timeStamp = LocalDateTime.now().format(formatter); — Youcef LAIDANI, Sep 19 '19 at 13:55
A `LocalDateTime` cannot have a format, so cannot have a space instead of the `T` in the middle. — Ole V.V., Sep 19 '19 at 15:03

score 1 · Answer 1 · answered Sep 19 '19 at 14:02

You can change it to ISO_DATE_TIME which gives you the "T"

DateTimeFormatter formatter = DateTimeFormatter.ISO_DATE_TIME;

        LocalDateTime timeStamp=  LocalDateTime.parse(LocalDateTime.now().toString(),formatter);
        System.out.println(timeStamp);

Boris · Answer 2 · 2019-09-19T14:03:13.113

0

You are using a wrong formatter pattern, you should use ISO date-time formatter:

DateTimeFormatter formatter = DateTimeFormatter.ISO_LOCAL_DATE_TIME;

edited Sep 19 '19 at 14:03

answered Sep 19 '19 at 13:58

Boris

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Why am I getting a parse exception when I try to parse the current LocalDateTime

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