Are you referring to LOG4J2-1648
<https://issues.apache.org/jira/browse/LOG4J2-1648>?

On Fri, Mar 5, 2021 at 1:45 PM Remko Popma <[email protected]> wrote:

> There should be an existing JIRA that contains fairly extensive analysis
> on this topic.
>
> There are some implications/drawbacks, can’t remember off the top of my
> head.
>
> Would need to look at the ticket but no time now, maybe tomorrow.
>
> > On Mar 5, 2021, at 19:45, Volkan Yazıcı <[email protected]> wrote:
> >
> > Hello,
> >
> > In the past couple of months I have received two complaints from people
> who
> > want to put non-String values into the ThreadContextMap.
> > ThreadContext.put*() methods only accept String values, whereas 2 of the
> 3
> > backend maps (GarbageFreeSortedArrayThreadContextMap,
> > CopyOnWriteSortedArrayThreadContextMap) and the exposed ReadOnlyStringMap
> > interface support non-String values. (The one out of 3,
> > DefaultThreadContextMap, employed when thread locals are disabled, only
> > supports String values.) I want to improve this situation by supporting
> > Object values in ThreadContextMap. Is this a known issue? What would be
> the
> > implications of extending ThreadContextMap? I will appreciate some
> guidance
> > on this issue.
> >
> > Kind regards.
>

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