I am new in Log4j2 and want to use the RollingFileAppender . Further as rollover I want to use the TimeBaseTriggeringPolicy:
The TimeBasedTriggeringPolicy causes a rollover once the date/time pattern no longer applies to the active file.
On the site above there is an example for such an TimeBasedTriggeringPolicy:
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="warn" name="MyApp" packages="">
<Appenders>
<RollingFile name="RollingFile" fileName="logs/app.log"
filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">
<PatternLayout>
<Pattern>%d %p %c{1.} [%t] %m%n</Pattern>
</PatternLayout>
<Policies>
<TimeBasedTriggeringPolicy />
<SizeBasedTriggeringPolicy size="250 MB"/>
</Policies>
</RollingFile>
</Appenders>
<Loggers>
<Root level="error">
<AppenderRef ref="RollingFile"/>
</Root>
</Loggers>
</Configuration>
Where is in the configuration above the "date/time pattern" defined, that determines if the active file applies to it or not?
Thanks for your help!
That is the filePattern. In your config:
filePattern="logs/$${date:yyyy-MM}/app-%d{MM-dd-yyyy}-%i.log.gz">
The most granular time unit in the above is dd
(days) so it will rollover daily at midnight.
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