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https://issues.apache.org/jira/browse/LOG4J2-1978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Russ updated LOG4J2-1978:
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Attachment: log4j2.xml
> Dated rolling files are incorrectly labeled with the date/time segment of the
> future iteration
> ----------------------------------------------------------------------------------------------
>
> Key: LOG4J2-1978
> URL: https://issues.apache.org/jira/browse/LOG4J2-1978
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.8.2
> Reporter: Russ
> Attachments: log4j2.xml
>
>
> Rolled dated log files have the wrong date, in relation to the enclosed dated
> log entries.
> Rolled dated log file should mirror the date of the enclosed log entries.
> Using the following example of a "daily rolling file" ...
> * FilePattern: App_%d{yyyy-MM-dd}.log
> * log entries for the date: (ie.) 2017-12-01 (note: the day is the 1st)
> * are logged in base file named: (ie.) App_2017-12-01.log (note: the day is
> the 1st)
> * The first occurrence of the roll should be midnight on the 2nd but that
> does NOT occur
> * Log file App_2017-12-01.log now contains log entries for both 2017-12-01
> and 2017-12-02
> * The second occurrence of the roll is on the 3rd, and does occur, however...
> * Log file App_2017-12-02.log is now having log entries for 2017-12-03
> written to it
> This occurs similarly at any level of granularity, of the date/time
> iteration. For instance..
> * with a FilePattern (focusing on the date pattern specifically) of:
> %d{yyyy-MM-dd_HH-mm}
> * log entries for: 2017-12-01_08-32
> * will be in the rolled file: 2017-12-01_08-31
> Example log4j2.xml property file is attached.
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