See http://jira.qos.ch/browse/LBCORE-242. I believe I saw commits that said Ceki implemented something. Ralph On Feb 28, 2012, at 8:52 AM, Chris Pratt <thechrispratt@gmail.com> wrote:

I haven't tried this at all, but have you tried:

/logs/%d{yyyy}/%d{MM}/app.%d{yyyyMMdd}.log

Maybe it's the directory separator in the format string that was confusing it. (*Chris*)

On Tue, Feb 28, 2012 at 8:42 AM, Chris Lemper <clemper@verical.com> wrote: Hi Logback users!

I would like to store daily log files in the format:

/logs/%d{yyyy/MM}/app.%d{yyyyMMdd}.log

So that the end result is:

/logs/2012/02/app.20120228.log

That is I would like all daily log files for a given month in a single directory but each log file containing the full date.

However, when I configure this filename pattern using ch.qos.logback.core.rolling.TimeBasedRollingPolicy, logback bases the rolling policy only on the first pattern:

INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - The date pattern is 'yyyy/MM' from file name pattern '/logs/%d{yyyy/MM}/app.%d{yyyyMMdd}.log'. INFO in c.q.l.core.rolling.DefaultTimeBasedFileNamingAndTriggeringPolicy - Rollover at start of every month.

Is it possible to accomplish this, even by just forcing the rollover to be daily (at midnight) independent of the filename pattern? I have looked through the mailing lists, documentation, and source code and cannot figure out how or if it can be done.

Thanks, Chris Lemper

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