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From "Remko Popma (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (LOG4J2-679) Log rotation partly failed with error: "Unable to create directory ..."
Date Mon, 11 Aug 2014 14:39:18 GMT

     [ https://issues.apache.org/jira/browse/LOG4J2-679?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Remko Popma resolved LOG4J2-679.
--------------------------------

    Resolution: Fixed

Fixed in revision 1617298.
Please verify and close.

> Log rotation partly failed with error: "Unable to create directory ..."
> -----------------------------------------------------------------------
>
>                 Key: LOG4J2-679
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-679
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Appenders
>    Affects Versions: 2.0-rc1
>         Environment: JDK 1.6, tomcat 6, 
>            Reporter: Rene Schoenlein
>            Assignee: Remko Popma
>            Priority: Critical
>             Fix For: 2.0.2
>
>
> Log rotation partly failed with error: "Unable to create directory ..."
> I am using the following configuration (simplified for the purpose of this ticket):
> {code}
> <Configuration status="info" name="App1" monitorInterval="60">
>   <Properties>
>     <Property name="defaultLayout">[%t %d{EEE MMM dd HH:mm:ss z yyyy} &lt;%level{TRACE=6,
DEBUG=5, INFO=4, WARN=3, ERROR=2, FATAL=1}&gt;] %m%n</Property>
>     <Property name="patternCharset">UTF-8</Property>
>     <Property name="logDir">/var/log/app1/</Property>
>     <Property name="backupDir">/var/backups/app1/%d{yyyy}/%d{MM}/</Property>
>   </Properties>
>   <Appenders>
>     <RollingRandomAccessFile name="A" fileName="${logDir}A.log" filePattern="${backupDir}A.log-%d{yyyyMMdd}">
>       <PatternLayout pattern="${defaultLayout}" charset="${patternCharset}"/>
>       <Policies>
>         <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
>       </Policies>
>     </RollingRandomAccessFile>
>     <RollingRandomAccessFile name="B" fileName="${logDir}B.log" filePattern="${backupDir}B.log-%d{yyyyMMdd}">
>       <PatternLayout pattern="${defaultLayout}" charset="${patternCharset}"/>
>       <Policies>
>         <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
>       </Policies>
>     </RollingRandomAccessFile>
>     <!-- ... additional appenders, only differing in appender-name/log-file-name,
where removed for this ticket -->
>     <RollingRandomAccessFile name="C" fileName="${logDir}Y.log" filePattern="${backupDir}Y.log-%d{yyyyMMdd}">
>       <PatternLayout pattern="${defaultLayout}" charset="${patternCharset}"/>
>       <Policies>
>         <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
>       </Policies>
>     </RollingRandomAccessFile>
>     <RollingRandomAccessFile name="D" fileName="${logDir}Z.log" filePattern="${backupDir}Z.log-%d{yyyyMMdd}">
>       <PatternLayout pattern="${defaultLayout}" charset="${patternCharset}"/>
>       <Policies>
>         <TimeBasedTriggeringPolicy interval="1" modulate="true"/>
>       </Policies>
>     </RollingRandomAccessFile>
>   </Appenders>
>   <Loggers>
>     <Logger name="A" level="INFO" additivity="false">
>       <AppenderRef ref="A"/>
>     </Logger>
>     <Logger name="B" level="INFO" additivity="false">
>       <AppenderRef ref="B"/>
>     </Logger>
>     <!-- ... additional loggers, only differing in logger-name/appender-ref, where
removed for this ticket -->
>     <Logger name="C" level="INFO" additivity="false">
>       <AppenderRef ref="C"/>
>     </Logger>
>     <Logger name="D" level="INFO" additivity="false">
>       <AppenderRef ref="D"/>
>     </Logger>
>   </Loggers>
> </Configuration>
> {code}
> As part of last nights log-rotation, sub-folders "/2014/06/" had to be created on top
of the already existing "/var/backups/app1/" folder structure. 
> During this log-rotation task, 2 out of ~20 files (all constantly written by the same
application) where not rotated in the desired folder "/var/backups/app1/2014/06/" but are
still actively used in the base folder. The only hint I could find regarding this issue was
the following log output from log4j (matching the rotation time):
> 2014-06-24 00:00:00,084 ERROR Unable to create directory /var/backups/app1/2014/06
> 2014-06-24 00:00:00,084 ERROR Unable to create directory /var/backups/app1/2014/06
> Strangely all other log-file where correctly rotated to the identical destination directory.

> Until now i was not able to reproduce this behavior in my testing environment but i suspect
that there might be an issue with handling multiple log-rotations in parallel for a "to be
created" sub-directory.



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