Peter Podniesinski created LOG4J2-2849:
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Summary: 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
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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