My guess would be to edit server/resources/log4j.properties to have log4j.appender.file.MaxBackupIndex=0
-----Original Message----- From: Noriyuki TAKEI [mailto:nta...@sios.com] Sent: Monday, October 02, 2017 10:39 AM To: solr-user@lucene.apache.org Subject: solr.log rotation HI,All When I restart Solr Service, solr.log is rotated as below. solr.log.1 solr.log.2 solr.log.3 ... I would like to stop this rotation. Do you have Any idea? -- Sent from: http://lucene.472066.n3.nabble.com/Solr-User-f472068.html