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https://issues.apache.org/jira/browse/LOG4J2-425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Remko Popma reopened LOG4J2-425:
--------------------------------
Assignee: Remko Popma
> Permgen leak in AsyncLoggerConfigHelper
> ---------------------------------------
>
> Key: LOG4J2-425
> URL: https://issues.apache.org/jira/browse/LOG4J2-425
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.0-beta9
> Environment: JDK7, Win8 64bit
> Reporter: Sergey Alaev
> Assignee: Remko Popma
>
> Thread local 'currentLogEvent' is not cleaned on shutdown which prevent web
> applications clean undeploying.
> Tomcat prints following:
> {code}
> SEVERE: The web application [/web] created a ThreadLocal with key of type
> [java.lang.ThreadLocal] (value [java.lang.ThreadLocal@22410487]) and a value
> of type [org.apache.logging.log4j.core.impl.Log4jLogEvent] (value
> [Logger=********* Level=INFO Message=************]) but failed to remove it
> when the web application was stopped. Threads are going to be renewed over
> time to try and avoid a probable memory leak.
> {code}
> We use async loggers declared explicitly in log4j2.xml:
> <AsyncLogger name="logger" additivity="false" level="trace"> ......
> We use RollingRandomAccessFile as appender.
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