@Artem Ervits Care to elaborate? Which jar are you talking about? when we deploy Hadoop, HDP, Druid or our Job? Excluding the dependency in Druid is the headache since the versions conflict. if I understood this question correctly @Sunile Manjee suggests separating the Jackson dependencies from the core Hadoop libraries which should solve this and future version conflicts for Jackson ... View more

The presence of this dependency is causing issues for users using both HDP and CDH it seems; https://github.com/druid-io/druid/blob/master/docs/content/operations/other-hadoop.md#cdh If its not a necessary component and the work to extract it is relatively small it would save a lot of headache if it can be extracted from core libraries ... View more