Caused by: com.fasterxml.jackson.databind.JsonMappingException: Incompatible Jackson version: 2.7.3

解決方案

   <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.6.6</version>
        </dependency>

或者

   <dependency>
            <groupId>com.fasterxml.jackson.module</groupId>
            <artifactId>jackson-module-scala_2.11</artifactId>
            <version>2.7.3</version>
        </dependency>