Please upgrade to a modern jackson

jackson already is at 2.19

There is a change in SnakeYAML dependency from 1.x to 2.x that is required if you set-up a up-to-date stack. JinJava cannot be used as it will conflict there. 

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-core</artifactId>
    <version>2.19.0</version>
</dependency>
