


There are several reference pages for configuration of various different logging systems in AEM (e.g. this and this) , but I cant find anything on how to create/inject and use them.
In the wknd project, we see this:
private static final Logger log = LoggerFactory.getLogger(ImageListImpl.class);
:
log.warn("Could not locate the AEM WCM Core Components List SlingModel via this component's ResourceSuperType. Returning an empty list.");
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Thanks! I see there is a line for com.adobe.aem.guides.wknd, to allow the level to change.
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Hi @TB3dock
You are already referring the correct documents for AEM Logs.
http://www.sgaemsolutions.com/2017/04/aem-logs-in-detail-part-1.html
http://www.sgaemsolutions.com/2019/12/aem-logs-in-detail-part-2.html
https://www.royalcyber.com/blog/portal/custom-logging-with-aem-logger/
By default AEM uses slf4j log support and it's recommended by Adobe as well.
Log levels can be updated using "Apache Sling Logging Logger Configuration" which is a factory configuration and can be configured based on the need.
<?xml version="1.0" encoding="UTF-8"?>
<jcr:root xmlns:sling="http://sling.apache.org/jcr/sling/1.0" xmlns:jcr="http://www.jcp.org/jcr/1.0"
jcr:primaryType="sling:OsgiConfig"
org.apache.sling.commons.log.file="logs/something.log"
org.apache.sling.commons.log.level="debug"
org.apache.sling.commons.log.names="[com.something.abc.core]"
org.apache.sling.commons.log.pattern="\{0,date,dd.MM.yyyy HH:mm:ss.SSS} *{4}* [{2}] {3} {5}"/>
Hope this helps!
Thanks!