Spring boot – Cannot turn off logging

I am trying to turn off the console output in STS for a spring boot application using the application.properties file.

Setting the value logging.level.root does seem to have some effect but I can never turn it off completely and nor can I turn off the auto configuration report output.

logging.level.root=OFF
spring.main.banner-mode=OFF
application.version=@project.version@

The banner does get turned off by the property spring.main.banner-mode.

For some reason with the above properties I still get DEBUG output from spring on startup:

 2017-05-09 15:33:16.744 DEBUG 11772 --- [           main] .b.l.ClasspathLoggingApplicationListener : Application started with classpath:
 2017-05-09 15:33:16.798 DEBUG 11772 --- [           main] o.s.boot.SpringApplication               : Loading source class

There are more lines telling me which properties files are being loaded but I dont want to fill up this post with them.

Following from this I then get the autoconfiguration report output.

I am wondering if I have a configuration issue and if this would cause spring to continue to output on start up?

Answer

To answer my own question: after trial and error, I finally ended up with the following which suppresses all output on startup via the application.properties file:

 logging.level.root=OFF
 logging.level.org.springframework.boot=OFF
 spring.main.banner-mode=OFF

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Answer