[logback-user] logback output date using GMT instead of local time

[Ceki Gülcü]

Hello Ted,

In addition to the date pattern, the date converter admits a second option as 
the timezone. Thus, the '%date{HH:mm:ss.SSS,Australia/Perth} would print the 
time in the time zone of Perth Australia, the worlds most isolated city.

Givent that the comma ',' is the option separator, the pattern string 
[HH:mm:ss,SSS] will print the time in the [SSS] time zone which does not exist. 
Thus, the time will be printed in the default GMT timezone. If you wish to 
include a comma in your date pattern, then simply enclose the pattern between 
quotes. For example, %date{"HH:mm:ss,SSS"}.

HTH,

On 23/03/2010 5:55 AM, Ted Meng wrote:
> Hi, I do not remember seeing it in the past but today I used the
> following simple program
> to print out log message with slf4j/logback. and to my surprise, it is
> outputing with GMT time
> instead of my local time. In other words, slf4j/logback would always
> print out datetime
> using GMT for PatternLayout like the following
>
> <layout class="ch.qos.logback.classic.PatternLayout">
> <Pattern>%d{MM/dd/yyyy-HH:mm:ss,SSS} %5level %class{1}:%line -
> %msg%n</Pattern>
> </layout>
>
> am I doing something wrong or is there a config option to specify output
> local time instead of
> the default GMT time.?
> Thanks very much.
> Below is the simple program to print out the time that indictates it is
> using GMT instead of localtime.
>
> import org.slf4j.Logger;
> import org.slf4j.LoggerFactory;
> public class L
> {
> public static final Logger log = LoggerFactory.getLogger(L.class);
> public static void main(String[] args)
> { log.info("test");
> }
> }
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