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https://issues.apache.org/jira/browse/LOG4J2-1931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16629930#comment-16629930
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Jan Templin commented on LOG4J2-1931:
-------------------------------------
We have a simular problem but without a timezone parameter. We use Log4J 2.9.1
and our pattern is just %d\{yyyyMMdd}.
Day 1: After starting the application, the log file name is correct.
Day 2: The new logs are still written in the log file for day 1.
Day 3: The new logs are written in a new file, but this file is named for day
2.
Day X: See day 3.
{code:java}
application start
example-20180827.log
application stop
timedatectl set-ntp false
sudo date 082813332018.00
> Di 28. Aug 13:33:00 CEST 2018
application start
example-20180828.log
sudo date 082913332018.00
> Mi 29. Aug 13:33:00 CEST 2018
example-20180828.log
sudo date 083013332018.00
> Do 30. Aug 13:33:00 CEST 2018
example-20180829.log
sudo date 083113332018.00
> Fr 31. Aug 13:33:00 CEST 2018
example-20180830.log
application stop
timedatectl set-ntp true
{code}
Attention! My linux system freezes after setting the system date back
("timedatectl set-ntp true"). A restart was required.
> Wrong Date is calculated for rollover filePattern with timezone parameter
> --------------------------------------------------------------------------
>
> Key: LOG4J2-1931
> URL: https://issues.apache.org/jira/browse/LOG4J2-1931
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.8.2
> Environment: Windows 8
> Log4j2 2.8.2
> Reporter: Arakha
> Priority: Critical
>
> Wrong Date is calculated for rollover filePattern with timezone parameter.
> Due to {{\{UTC+0}}} calculated date is wrong.
> current date is : 20170602 but the calculated one while rolling over is :
> 20170601 , file name: rollapp-20170601-1.log
> Configurations used are:
> {code:xml}
> <RollingFile name="RollingFile"
> fileName="C:\temp\logs\2017-06-test\rollapp.log"
>
> filePattern="C:/temp/logs/${date:yyyy-MM}-test/rollapp-%d{yyyyMMdd}{UTC+0}-%i.log">
> <PatternLayout>
> <Pattern>%d{HH:mm:ss.SSS}{UTC+0} %p %c{1.} [%t] %m%n</Pattern>
> </PatternLayout>
> <Policies>
> <TimeBasedTriggeringPolicy />
> <SizeBasedTriggeringPolicy size="1 MB"/>
>
> </Policies>
> </RollingFile>
> {code}
> it may be related to fix done for :
> https://issues.apache.org/jira/browse/LOG4J2-1489
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