Not sure if this should be on StackOverflow.. I followed this tutorial to install tomcat8 (with java8) on an ubuntu-12.04 instance. It uses the upstart script to install tomcat8 as as auto start service.

I'm using logback to do some logging in Tomcat. In the logback configuration I've configured a file appender like:

<appender name="FILE" class="ch.qos.logback.core.FileAppender">
      <pattern>%date %level [%thread] %logger{10} [%file:%line] %msg%n  </pattern>

When I start tomcat I see some logging in var/log/upstart/tomcat.log that it doesn't have permissions (as tomcat-user)to create myApp.log, but I'm confused where myApp.log is being written to.

For now I indicated the hard url in my logback configuration, so my problem is solved. However I'm still curious.

1 Answer 1


I don't know your logger ch.qos.logback.core.FileAppender, but you could use some variables to log into a desired folder, E.G.:

To log into root of your tomcat base folder:


or in your user folder /home/drjerry/:

  • If you have a logback.groovy, use: ${System.getProperty('catalina.base')}
    – RMorrisey
    Jun 19, 2019 at 22:25

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