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https://issues.apache.org/jira/browse/LOG4J2-1763?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt Sicker closed LOG4J2-1763.
-------------------------------
       Resolution: Won't Fix
    Fix Version/s:     (was: 2.8)

Turns out that there's a bug in JDK 7 that prevents caller sensitive methods 
like {{getCallerClass(int)}} from working properly via MethodHandle. Oh well. :(

> Use MethodHandle instead of Method in ReflectionUtil
> ----------------------------------------------------
>
>                 Key: LOG4J2-1763
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1763
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: API
>            Reporter: Matt Sicker
>            Assignee: Matt Sicker
>
> Since Log4j requires Java 7, performance-sensitive use of reflection can 
> generally be replaced with the MethodHandle API. This is almost as good as 
> direct access to the underlying method and only requires a single security 
> access check on creation rather than on every invocation of the method.



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