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Quartz Scheduler ... Caused by: java.lang.IncompatibleClassChangeError: Found interface org.quartz.JobDetail, but class was expected

Remove

             <dependency>
            <groupId>quartz</groupId>
            <artifactId>quartz</artifactId>
            <version>1.6.0</version>
            <type>jar</type>
        </dependency>


and replace with

                  <dependency>
            <groupId>org.quartz-scheduler</groupId>
            <artifactId>quartz</artifactId>
            <version>2.2.3</version>
        </dependency>

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