Create the src/main/resource/logback.xml
file:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<appender name="consoleAppender" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%d{HH:mm:ss.SSS} [%-12.12t] %-5p %m%n</pattern>
</encoder>
</appender>
<logger name="ai.timefold.solver" level="info"/>
<root level="info">
<appender-ref ref="consoleAppender" />
</root>
</configuration>