Allright. Created LOG4J2-3011
<https://issues.apache.org/jira/browse/LOG4J2-3011>: "Support aliases in
PropertiesUtil to ease renaming deprecated properties with new ones"
On Fri, Jan 29, 2021 at 6:20 PM Matt Sicker <boa...@gmail.com> wrote:
> Plugins have aliases via the @PluginAlias annotation, though I don't
> think there's an equivalent feature for properties yet. This sounds
> like something that could potentially be improved in PropertiesUtil.
>
> On Fri, 29 Jan 2021 at 10:24, Carter Kozak <cko...@ckozak.net> wrote:
> >
> > Oh hmm, it looks like things are a little more manual than I'd thought!
> PropertiesUtil.Util.tokenize and PropertySource.getNormalForm massage the
> data, but I had thought there were direct string replacements for a few
> property names that I can't seem to find (perhaps I imagined them?). Given
> we already do some key-manipulation, I think it's a reasonable place to
> define mappings from old to new key names.
> >
> > On Fri, Jan 29, 2021, at 11:10, Volkan Yazıcı wrote:
> > > "a framework in place to migrate property names without disrupting
> users"?
> > > That is totally new to me. Any pointers?
> > >
> > > On Fri, Jan 29, 2021 at 5:01 PM Carter Kozak <cko...@ckozak.net>
> wrote:
> > >
> > > > We have a framework in place to migrate property names without
> disrupting
> > > > users, I would support using a default name that aligns more closely
> with
> > > > the feature. I don't think we warn when deprecated names are used,
> I'd
> > > > expect that could become noisy, and we want folks to upgrade without
> > > > worrying about scaring their users with warnings from us.
> > > >
> > > > For what it's worth, the feature is entirely unnecessary beyond java
> 8
> > > > since the getName() allocations were removed.
> > > >
> > > > Carter
> > > >
> > > > On Fri, Jan 29, 2021, at 10:53, Volkan Yazıcı wrote:
> > > > > Triggered by Carter's remark... Shall we
> > > > > rename log4j2.asyncLoggerThreadNameStrategy to
> log4j2.threadNameStrategy
> > > > > and display a warning if the deprecated one is defined? Are there
> more of
> > > > > such properties?
> > > > >
> > > > > On Fri, Jan 29, 2021 at 4:44 PM Carter Kozak (Jira) <
> j...@apache.org>
> > > > wrote:
> > > > >
> > > > > > The {{log4j2.asyncLoggerThreadNameStrategy}} may be set to
> {{UNCACHED}}
> > > > > > to override this default on all systems. It may be set in a
> > > > > > log4j2.component.properties file, or via a jvm system property.
> > > > > > It's a tad odd that these are described as properties for async
> > > > logging,
> > > > > > in reality they're more closely associated with gc-logging, and
> don't
> > > > > > really relate to asynchronous features. Likely a historical
> artifact.
> > > > > > Docs:
> > > > > >
> > > > > >
> > > >
> https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties
> > > > > >
> > > >
> https://logging.apache.org/log4j/2.x/manual/async.html#SysPropsAllAsync
> > > > > >
> > > > >
> > > >
> > >
>
