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https://issues.apache.org/jira/browse/HADOOP-15482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16483030#comment-16483030
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Steve Loughran commented on HADOOP-15482:
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Jitendra. The term "upgrade jackson" is one to bring fear into anyone who has
ever tried to or deal with an upgrade jackson'
* it's only going to go in as a synchronized update of the entire jackson 2
package. You can't update one JAR and expect things to work any more than you
can safely update hadoop-hdfs-client JAR while leaving the rest of hadoop-* out
of sync.
* It's got a real risk of breaking things downstream, including Hive and Spark.
So
# why?
# what tests have you done of hive and spark with the version bumped up?
> Upgrade jackson-databind to version 2.9.5
> -----------------------------------------
>
> Key: HADOOP-15482
> URL: https://issues.apache.org/jira/browse/HADOOP-15482
> Project: Hadoop Common
> Issue Type: Task
> Reporter: Lokesh Jain
> Assignee: Lokesh Jain
> Priority: Major
> Attachments: HADOOP-15482.001.patch
>
>
> This Jira aims to upgrade jackson-databind to version 2.9.5
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