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From "matthew beckham (JIRA)" <j...@apache.org>
Subject [jira] [Created] (LOG4J2-1480) CronTriggeringPolicy timing / file deletion issue
Date Mon, 25 Jul 2016 19:14:20 GMT
matthew beckham created LOG4J2-1480:

             Summary: CronTriggeringPolicy timing / file deletion issue
                 Key: LOG4J2-1480
                 URL: https://issues.apache.org/jira/browse/LOG4J2-1480
             Project: Log4j 2
          Issue Type: Bug
    Affects Versions: 2.6.2
         Environment: 2013 macbook pro running OSX El Capitan. Log4j2 is running as a module
dependency to a bigger Vertx server project.
            Reporter: matthew beckham

Most of this issue is outlined in this stack overflow post: http://stackoverflow.com/questions/38514101/log4j2-default-rollover-strategy-deleting-new-log-files

This details my attempt to use the CronTriggeringPolicy to rollover a log file. My longterm
goal was to have it roll over every 15 minutes, but used 1 minutes intervals for testing (I
did also try with 3 and 5 minute intervals with the same outcome).

The gist of the issue is that after the first triggering of the cron triggering policy (which
happens at the correct time), the rollover mechanism will disregard the cron schedule in place
and attempt to rollover every second. In addition to this, the log file that is created from
a rollover can be deleted immediately after it is created. The log file appears to not get
deleted if there is a iterator argument (%i) in the file name though.

I don't know if these are two separate issues, or if the file deletion is a side effect of
the cron scheduling getting messed up.

For now I have switched to using TimeBasedTriggeringPolicy and that appears to be working
correctly at the moment.

Logs and sample configuration code can be found in the linked stack overflow post.

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