Github user wangyum commented on a diff in the pull request: https://github.com/apache/spark/pull/22372#discussion_r216208966 --- Diff: pom.xml --- @@ -2694,6 +2694,8 @@ <hadoop.version>3.1.0</hadoop.version> <curator.version>2.12.0</curator.version> <zookeeper.version>3.4.9</zookeeper.version> + <fasterxml.jackson.version>2.7.8</fasterxml.jackson.version> + <fasterxml.jackson.databind.version>2.7.8</fasterxml.jackson.databind.version> --- End diff -- We should `clean` first for `package`: ```sh build/sbt clean package -Phadoop-3.1 ``` and then check: `assembly/target/scala-2.11/jars/`: ![image](https://user-images.githubusercontent.com/5399861/45279062-5e369e80-b502-11e8-9f18-04e41cc060ac.png)
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