[jira] [Commented] (LOG4J2-1905) file resources in property substitution

["Matt Sicker (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-1905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16004826#comment-16004826 ] 

Matt Sicker commented on LOG4J2-1905:
-------------------------------------

There are several ways to do that already. The closest to what you're requesting is via a [properties file|https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties] and using the sys:foo substitutions. You can also define them as {{<property/>}} elements in the config file itself, and using [composite config|https://logging.apache.org/log4j/2.x/manual/configuration.html#CompositeConfiguration], you can combine files to make those properties external. Another way would be via a bundle resource file ([see more about string substitution here|https://logging.apache.org/log4j/2.x/manual/configuration.html#PropertySubstitution]).

This feature request is not invalid, but there are several possible ways to get at what you're looking for with existing functionality.

> file resources in property substitution
> ---------------------------------------
>
>                 Key: LOG4J2-1905
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1905
>             Project: Log4j 2
>          Issue Type: New Feature
>          Components: Configurators
>    Affects Versions: 2.8.2
>            Reporter: tsimba kely
>            Priority: Critical
>              Labels: features
>             Fix For: 2.9
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> I just want to import a file like resources variable (ex:***.cfg) as a property for a substitution. it's easy, i think, than use a bundle. can you fix that please.



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