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From "Jordan Guerin (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (LOG4J2-1112) Using both OnStartupTriggeringPolicy and TimeBasedTriggeringPolicy create log file with wrong date
Date Mon, 19 Oct 2015 13:52:05 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-1112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Jordan Guerin updated LOG4J2-1112:
    Comment: was deleted

(was: This is my log4j2.xml, With obfuscated LOG_DIR variables and logger class name are obfuscated.)

> Using both OnStartupTriggeringPolicy and TimeBasedTriggeringPolicy create log file with
wrong date
> --------------------------------------------------------------------------------------------------
>                 Key: LOG4J2-1112
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1112
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 2.3
>         Environment: Encountered on Ubuntu 64bit with Java 8, on CentOS with Java 8 too.
>            Reporter: Jordan Guerin
> We found this bug while we were updating our logging library (from log4j 1.x to 2.3)
> We want to use mylog-%date\{yyyyMMdd-HHmmss} as filePattern for a RollingFileAppender.
> We're using 3 policies
>                 <OnStartupTriggeringPolicy />
>                 <SizeBasedTriggeringPolicy size="100 MB" />
>                 <TimeBasedTriggeringPolicy interval="86400" modulate="true" />
> We want to roll the file at each day, so we put 86400 seconds as the interval.
> But the problem we encounter, when  the OnStartupTriggeringPolicy is triggering, our
log file is named : mylog-20150905-114259.log instead of 
> mylog-20150904-114259.log. 
> It seems like the interval time of the TimeBasedTriggeringPolicy is added to the Date
of the log filename. I did some further investigating, and when I put 3600 (one hour in seconds)
as interval. Only one hour is added to the log filename.
> If I remove the OnStartupTriggeringPolicy, when it roll with the TimeBasedTrigger, the
date is correct.
> What is weird too, if I use mylog-%date\{yyyyMMdd} and interval is 1 for TimeBasedTrigger,
the date is correct when the log file roll on Startup. I tried with interval of 2, and the
date is still okay.
> So the bug occurs only when we put time unit into the %date, when we use day unit, the
date of the log filename is correct, but with minutes and seconds, we got a date in the future.

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