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https://issues.apache.org/jira/browse/LOG4J2-1592?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Remko Popma updated LOG4J2-1592:
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Summary: Log files are truncated to empty files on rollover (was: Logging
not working properly)
> Log files are truncated to empty files on rollover
> --------------------------------------------------
>
> Key: LOG4J2-1592
> URL: https://issues.apache.org/jira/browse/LOG4J2-1592
> Project: Log4j 2
> Issue Type: Bug
> Environment: Linux 3.10.0-229.20.1.el7.x86_64 #1 SMP Tue Nov 3
> 19:10:07 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
> Reporter: Farhad Tarapore
>
> I am using the following config
> {code}
> <Configuration status="warn" name="in.transerv" packages="">
> <Properties>
> <Property name="baseDir">/var/log/tomcat</Property>
> </Properties>
> <Appenders>
> <RollingFile name="RollingFile" fileName="${baseDir}/app.log"
> filePattern="${baseDir}/$${date:yyyy-MM}/app-%d{yyyy-MM-dd}.log.gz">
> <PatternLayout pattern="%5p %d{ISO8601} [%t][%x] %c - %m%n" />
> <TimeBasedTriggeringPolicy/>
> </RollingFile>
> </Appenders>
> <Loggers>
> <Root level="debug">
> <AppenderRef ref="RollingFile"/>
> </Root>
> </Configuration>
> {code}
> In my Tomcat startup, I have specified the log4j.xml file as
> -Dlog4j.configurationFile=<path to file>
> It gets initialized properly as I see the logs coming in the app.log
> However, at midnight of each day when it is supposed to rollover, I see the
> following directory structure
> {code}
> drwxr-xr-x 2 root root 62 Sep 18 00:00 2016-09
> -rw-r--r-- 1 root root 0 Sep 18 07:48 app.log-2016-09-18
> -rw-r--r-- 1 root root 351893 Sep 18 07:58 app.log
> {code}
> The file for the previous day gets truncated to 0 bytes and the directory
> 2016-09 contains NOTHING.
> I just want to log to app.log and each day, I want to save the previous days
> log file as a .gz with the date pattern. But it is not happening.
> I was using log4j 1.x, I switched over to 2.x since I was having issues with
> log files getting corrupted (log lines disappearing) when multiple tomcat
> processes tried to write into the same file.
> Please help me since these logs are critical to our application. Thanks.
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