[jira] [Commented] (LOG4J2-3258) RollingFile fileName containing variables does not work on 2.17.0

["Ralph Goers (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LOG4J2-3258?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17462333#comment-17462333 ] 

Ralph Goers commented on LOG4J2-3258:
-------------------------------------

I'm misunderstanding something. You say that properties that originate in the properties second aren't resolved. I have an app that does

{code:java}
 <RollingFile name="log4j" fileName="${LOG_DIR}/${spring:spring.application.name}.json" filePattern="${LOG_DIR}/archive/${spring:spring.application.name}.json.%d{yyyyMMdd_HH}-%i">
{code}

and it is working fine.

Second, I need to understand the use case for using the ContextMapLookup in the name and fileName. Unless you are under the RoutingAppender this doesn't make a lot of sense since configuration will most likely happen on the main thread the first time and if you have a monitorInterval specified it could happen on any thread, so expecting to find it like that seems risky.


> RollingFile fileName containing variables does not work on 2.17.0
> -----------------------------------------------------------------
>
>                 Key: LOG4J2-3258
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-3258
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: Appenders
>    Affects Versions: 2.17.0
>         Environment: Java 17, Ubuntu 20.04.
>            Reporter: Konstantinos Liakos
>            Priority: Major
>
> A configuration like the below has stopped working since 2.17.0. The variables that originate from <Properties> are not resolved.
>  
> {code:java}
> <RollingFile name="Rolling-${ctx:logFile}" fileName="${logs_dir}/${ctx:logFile}"{code}
>  
> Works fine on 2.16.0.
>  



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