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Setting Solr log4j values

This topic describes the method of setting the Solr log4j values.

To set debug logging levels for Alfresco-Solr components, follow the steps below:

  1. Copy tomcat/webapps/solr/WEB-INF/classes/log4j.properties to <solrRootDir>/log4j.properties.
  2. Edit it to add your required logging setting. For example:

    log4j.logger.org.alfresco.solr.tracker.CoreTracker=DEBUG
  3. Changes to the log4j.properties file will be re-read by Solr when it starts up. If you need to make changes to the logging level while the system is running, going to the following URL (either in a browser or for example, using curl) will cause Solr to re-load the properties file.

    https://<solrHostName>:<solrPort>/solr/admin/cores?action=LOG4J&resource=log4j.properties