[jira] [Commented] (LOG4J2-2849) Event Lookup Field not applying to JSON Layout additional Property

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

    [ https://issues.apache.org/jira/browse/LOG4J2-2849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17112627#comment-17112627 ] 

Ralph Goers commented on LOG4J2-2849:
-------------------------------------

The event Lookup was added in 2.13.2. I would suggest you upgrade to the latest version.

> Event Lookup Field not applying to JSON Layout additional Property
> ------------------------------------------------------------------
>
>                 Key: LOG4J2-2849
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-2849
>             Project: Log4j 2
>          Issue Type: Question
>          Components: Lookups
>    Affects Versions: 2.10.0
>            Reporter: Peter Podniesinski
>            Priority: Minor
>
> Hi, I have a requirement where we need to change the field name of our LogEvent from `message` to `text`. In the past we've done this by creating a new custom Layout that modifies the logEvent, however I was hoping I could do this with JSON Layout lookups to the Event data.
> Here is a snippet of my log4j xml config. I've tried a few variations and the event variable is not recognized.
> {code:java}
> <RollingFile name="APPLOGFILE" fileName="logs/app/${hostName}/application.log" filePattern="logs/app/${hostName}/app-%d{MM-dd-yyyy}-%i.log.gz"> 
> <JsonLayout complete="false" compact="true" eventEol="true" properties="true" stacktraceAsString="true"> 
>    <KeyValuePair key="timestamp" value= "$${date:yyyy-MM-dd HH:mm:ss.SSS}"/>  
>    <KeyValuePair key="text" value= "$${ctx:productId}"/> 
>    <KeyValuePair key="text2" value= "${event:Message}"/> 
>    <KeyValuePair key="text3" value= "$${event:Message}"/> 
> </JsonLayout>
> {code}
> Context fields and date do indeed work.
>  
> Please let me know if I am misusing the lookup functionality or if there is a bug.
> Also, if there is a better way to do this, that information would be helpful as well.
>  
> Thanks.



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