org.quartz.utils.UpdateChecker Checking for available updated version of Quartz..

<dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.2.1</version>
        </dependency>
        <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz-jobs</artifactId>
            <version>2.2.1</version>
        </dependency>

2016-09-12 23:39:44.260 DEBUG [Timer-0][org.quartz.utils.UpdateChecker] Checking for available updated version of Quartz...

去除上面的打印：

org.quartz.scheduler.skipUpdateCheck:true
org.terracotta.quartz.skipUpdateCheck:true

 log4j.logger.org.quartz=INFO