Github user srowen commented on a diff in the pull request: https://github.com/apache/spark/pull/19352#discussion_r141053165 --- Diff: dev/deps/spark-deps-hadoop-2.6 --- @@ -93,7 +93,7 @@ jackson-core-asl-1.9.13.jar jackson-databind-2.6.7.1.jar jackson-jaxrs-1.9.13.jar jackson-mapper-asl-1.9.13.jar -jackson-module-paranamer-2.6.7.jar +jackson-module-paranamer-2.7.9.jar --- End diff -- .. and I should say that it does look like Jackson support for Scala 2.12 really starts with 2.7.9, even though there is a special 2.6.7.1 release for Scala 2.12. It might become evident later we need to update Jackson, though it raises enough compatibility concerns that I wanted to hold off for now.
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