[jira] [Created] (LOG4J2-2169) RollingFile date pattern issue

["Claire Villard (JIRA)" <ji...@apache.org>]

Claire Villard created LOG4J2-2169:
--------------------------------------

             Summary: RollingFile date pattern issue
                 Key: LOG4J2-2169
                 URL: https://issues.apache.org/jira/browse/LOG4J2-2169
             Project: Log4j 2
          Issue Type: Question
    Affects Versions: 2.7
            Reporter: Claire Villard


Hi, 

I run a Java app, with Log4J 2, on Linux (mainly CentOS) servers.

Here is my configuration file: 

{code}
<?xml version="1.0" encoding="UTF-8"?>
<Configuration shutdownHook="disable" monitorInterval="30" status="trace">
  <Appenders>
          <RollingFile name="RollingFile" fileName="/data/logs/hazelcast.log" filePattern="/data/logs/hazelcast-%d{yyyy-MM-dd}{CET}-%i.log.gz">
        <PatternLayout>
                <Pattern>%d{yyyy-MM-dd HH:mm:ss}{CET} %-5p [%t] %C{2} (%F:%L) - %m%n</Pattern>
        </PatternLayout>
          <Policies>
           <SizeBasedTriggeringPolicy size="15MB" />
            <TimeBasedTriggeringPolicy />
          </Policies>
          <DefaultRolloverStrategy max="90"/>
      </RollingFile>
  </Appenders>
  <Loggers>
    <Root level="DEBUG">
      <AppenderRef ref="RollingFile"/>
    </Root>
  </Loggers>
</Configuration>
{code}

On 1 of our servers, we observe, that sometimes the rolled files are not labeled correctly: the date is far in the future.

For example, during the first week of December, 2017, we had: 

{code}
-rw-r--r-- 1 hazelcast hazelcast  15M Dec  2 13:35 hazelcast-2058-01-24-1.log.gz
-rw-r--r-- 1 hazelcast hazelcast  15M Dec  2 19:15 hazelcast-2058-01-24-2.log.gz
-rw-r--r-- 1 hazelcast hazelcast  15M Dec  3 02:28 hazelcast-2058-01-24-3.log.gz
-rw-r--r-- 1 hazelcast hazelcast  15M Dec  3 12:04 hazelcast-2058-01-24-4.log.gz
-rw-r--r-- 1 hazelcast hazelcast  15M Dec  3 17:41 hazelcast-2058-01-24-5.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  3 22:54 hazelcast-2058-01-24-6.log.gz
-rw-r--r-- 1 hazelcast hazelcast 5.2M Dec  4 04:12 hazelcast-2058-01-24-7.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  4 12:08 hazelcast-2058-01-26-1.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  4 18:00 hazelcast-2058-01-26-2.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  4 23:50 hazelcast-2058-01-26-3.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  5 10:27 hazelcast-2058-01-26-4.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  5 15:58 hazelcast-2058-01-26-5.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  5 20:43 hazelcast-2058-01-26-6.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  6 05:43 hazelcast-2058-01-26-7.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  6 12:35 hazelcast-2058-01-26-8.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  6 17:59 hazelcast-2058-01-26-9.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  6 23:13 hazelcast-2058-01-26-10.log.gz
-rw-r--r-- 1 hazelcast hazelcast  14M Dec  7 09:11 hazelcast-2058-01-26-11.log.gz
-rw-r--r-- 1 hazelcast hazelcast  13M Dec  7 09:26 hazelcast.log
{code}

The timestamps of the log lines inside the files are correct.

Restarting the app without changing anything in the configuration or the environment solved the issue.
It reappeared several times, without any periodicity.

We did not managed to find a reason for that naming error.

Any help would be greatly appreciated !

Thanks in advance,
Claire



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