The 2.3 log4j.properties file doesn't specify a file for the FileAppender (because the necessary lines haven't been uncommented). Hence the log files normally generated via the file appender,
logs/atlassian-confluence.log, is presently missing?
If you experience this situation and see errors in the logs such as:
- Please uncomment the following lines in the
log4j.propertiesfile located under
confluence/WEB-INF/classesand restart Confluence
(ie remove the #'s)