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Posted to log4j-dev@logging.apache.org by "Remko Popma (JIRA)" <ji...@apache.org> on 2016/09/18 10:41:21 UTC
[jira] [Closed] (LOG4J2-1417) Unbox should respect
Constants.ENABLE_THREADLOCALS
[ https://issues.apache.org/jira/browse/LOG4J2-1417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Remko Popma closed LOG4J2-1417.
-------------------------------
Resolution: Fixed
> Unbox should respect Constants.ENABLE_THREADLOCALS
> --------------------------------------------------
>
> Key: LOG4J2-1417
> URL: https://issues.apache.org/jira/browse/LOG4J2-1417
> Project: Log4j 2
> Issue Type: Bug
> Components: API
> Affects Versions: 2.6, 2.6.1
> Reporter: Remko Popma
> Assignee: Remko Popma
> Fix For: 2.6.2
>
>
> The org.apache.logging.log4j.util.Unbox class stores a non-JDK class (Unbox$State) in a static ThreadLocal field.
> This may cause memory leaks in containers which share thread pools between applications.
> One way to accomplish this is to have two ThreadLocal fields: one that stores an array of StringBuilders, and one that stores an AtomicLong to track the current slot.
> (If there is a performance impact we can switch between alternative implementations depending on the value of Constants.ENABLE_THREADLOCALS.)
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