job.java.jersey.client.jackson.lower-case-with-underscore.java

JacksonJsonProvider jacksonJsonProvider = new JacksonJaxbJsonProvider();
        ObjectMapper objectMapper = new ObjectMapper()
                .setPropertyNamingStrategy(PropertyNamingStrategy.CAMEL_CASE_TO_LOWER_CASE_WITH_UNDERSCORES)
                .configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
                .configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);

        jacksonJsonProvider.setMapper(objectMapper);

        client = ClientBuilder.newClient().register(jacksonJsonProvider);