Github user cowtowncoder commented on the pull request: https://github.com/apache/spark/pull/10256#issuecomment-176300804 I know this issue is closed, but one suggestion I have would be to specify the latest Jackson 2.5 version, 2.5.5 instead of 2.5.3. While I understand caution in general, Jackson patch versions try to limit inclusion of fixes to safe ones and specifically there are no API changes. This also means that while it is good to keep even patch versions in sync across components there is very low risk of incompatibilities even if patch versions do differ. In this specific case, `jackson-databind` 2.5.4 has 10 bug fixes -- see https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.5.4 -- this is the main reason I would recommend use of latest version.
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