title: Spring Boot - set logging level of external jar which is using Java Util Logging (jul)
body: <p>According to the Spring Boot documentation, it is possible to set the logging level of multiple logging framework (jul, slf4j, etc.) just by using the Spring Boot Logging Starter and setting appropriate logging.level in application properties. Everything works fine except that the library I use is logging with jul and log level Level.FINER. However, Level.INFO is properly logged.</p>
  
  <p>I set level in application.properties to:</p>
  
  <pre><code>logging.level.=TRACE
  </code></pre>
  
  <p>which should log everything according to <a href="http://www.slf4j.org/api/org/slf4j/bridge/SLF4JBridgeHandler.html" rel="noreferrer">SLF4JBridgeHandler</a>.</p>
  
  <p>Am I something missing or is it a problem of logback (used by the starter) rather my misunderstanding?</p>