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From "Jonathan Turner Eagles (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-17249) Upgrade jackson-databind to 2.10 on branch-2.10
Date Tue, 08 Sep 2020 18:14:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-17249?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17192372#comment-17192372
] 

Jonathan Turner Eagles commented on HADOOP-17249:
-------------------------------------------------

Usually with libraries such as jackson, API breaking changes are NOT upgraded within the same
hadoop minor version (say 2.10.0 -> 2.10.1). Instead they are upgraded in new hadoop minor
version (say 2.11.0). Without shading, this will impact customers, and will make it difficult
for downstream products to maintain compatibility.

Many of the vulnerabilities that have been found with jackson and others aren't a problem
in hadoop as its usage can't be exploited. In this case I would suggest a minor version upgrade
that contains the fixes.

As to jackson-databind, this version needs to align with jackson library as there are compatibility
issues as well.

Lastly, when upgrading to an incompatible library please mark the jira as an incompatible
change to make sure it gains the proper attention.

> Upgrade jackson-databind to 2.10 on branch-2.10
> -----------------------------------------------
>
>                 Key: HADOOP-17249
>                 URL: https://issues.apache.org/jira/browse/HADOOP-17249
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 2.10.0
>            Reporter: Masatake Iwasaki
>            Assignee: Masatake Iwasaki
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> This is filed to test backporting HADOOP-16905 to branch-2.10.



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