Add slf4j implementation to get rid of runtime warning
<artifactId>jackson-core</artifactId>
<scope>compile</scope>
</dependency>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-jdk14</artifactId>
+ <scope>compile</scope>
+ </dependency>
+
<!-- test scope -->
<dependency>
