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https://issues.apache.org/jira/browse/LOG4J2-649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ralph Goers resolved LOG4J2-649.
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Resolution: Fixed
Fix Version/s: 2.5
A modified version of the patch was applied. Please verify and close.
> Close a dynamically created appender
> ------------------------------------
>
> Key: LOG4J2-649
> URL: https://issues.apache.org/jira/browse/LOG4J2-649
> Project: Log4j 2
> Issue Type: Improvement
> Components: API, Appenders
> Affects Versions: 2.0-rc1
> Environment: Windows 7 (64-bit)
> Reporter: Andrew Rose
> Assignee: Ralph Goers
> Fix For: 2.5
>
>
> I'm using the Routing functionality in Log4j 2 to dynamically create
> appenders at runtime. When I know that those appenders are finished with, I'd
> like to tell Log4j so that it can tidy up the related resources (flush &
> close files, free its internal objects related to those appenders, etc.).
> Without doing this, Log4j still has open file handles and I'm unable to
> manipulate the files that it has written (from an external process which
> post-processes and archives the logs).
> Remko Popma tells me (via the stackoverflow answer at
> http://stackoverflow.com/a/23827382/799399) that there is no way of doing
> this at the moment. I'd like to request that you consider enhancing Log4j 2
> in this way.
> I enclose my configuration below, in case it's relevant (but I think all the
> details you need are included in the above description).
> {code}
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="WARN">
> <Appenders>
> <Console name="Console" target="SYSTEM_OUT">
> <PatternLayout pattern="%d{HH:mm:ss.SSS} %level{ERROR=!, WARN=?,
> INFO=-, DEBUG=., TRACE=.} %msg%n"/>
> </Console>
> <Routing name="MatchLogs">
> <Routes pattern="$${ctx:matchID}">
> <Route>
> <RandomAccessFile name="MatchLog-${ctx:matchID}"
> fileName="logs/${ctx:matchID}.log">
> <PatternLayout pattern="%d{ISO8601} %-5level %-30.30logger{1}
> %msg%n"/>
> </RandomAccessFile>
> </Route>
> </Routes>
> </Routing>
> <Async name="AsyncWrapper">
> <AppenderRef ref="MatchLogs" level="debug"/>
> <AppenderRef ref="Console" level = "info"/>
> </Async>
> <Routing name="MatchStatsLogs">
> <Routes pattern="$${ctx:matchID}">
> <Route>
> <RandomAccessFile name="MatchStatsLog-${ctx:matchID}"
> fileName="logs/${ctx:matchID}_stats.log">
> <PatternLayout pattern="%msg"/>
> </RandomAccessFile>
> </Route>
> </Routes>
> </Routing>
> <Async name="AsyncStatsWrapper">
> <AppenderRef ref="MatchStatsLogs" level="debug"/>
> </Async>
> </Appenders>
> <Loggers>
> <Logger name="stats" level="trace" additivity="false">
> <AppenderRef ref="AsyncStatsWrapper"/>
> </Logger>
> <Root level="debug">
> <AppenderRef ref="AsyncWrapper"/>
> </Root>
> </Loggers>
> </Configuration>
> {code}
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