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https://issues.apache.org/jira/browse/LOG4J2-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14729274#comment-14729274
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Haavar Valeur commented on LOG4J2-1101:
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That makes sense to me. That's how I expected the appender to work when I first 
started looking at this.

> Date based file appender
> ------------------------
>
>                 Key: LOG4J2-1101
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1101
>             Project: Log4j 2
>          Issue Type: New Feature
>          Components: Appenders
>            Reporter: Haavar Valeur
>
> I'd like to reintroduce the option of logging to a file that has the current 
> date in it. 
> For example, when the app starts up, it will start logging to 
> myapp-20150821.log. At midnight, it starts logging to a new file named 
> myapp-20150822.log.
> Log4j2's RollingFileAppender does not support this. In log4j2 the file 
> appender will log to one file with a static file name, and then the content 
> is moved over to another file. 
> This used to be a feature in log4j 1.3, when using extras. I would configure 
> it like this:
> {code}
>     <appender name="myapp" 
> class="org.apache.log4j.rolling.RollingFileAppender">
>         <rollingPolicy 
> class="org.apache.log4j.rolling.TimeBasedRollingPolicy">
>             <param name="FileNamePattern" value="myapp-%d{yyyyMMdd}.log"/>
>         </rollingPolicy>
>         ....
>     </appender>
> {code}
> The only way I found that it would work in log4j2 is to use the following 
> code, but that's pretty hacky:
> https://gist.github.com/tomaszalusky/b9109c0faddafe099835



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