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https://issues.apache.org/jira/browse/HADOOP-15983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17492159#comment-17492159
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PJ Fanning commented on HADOOP-15983:
-------------------------------------

[~aajisaka] the javee jersey-jackson uses jackson1 in many classes - I removed 
just one class but had to rewrite multiple other classes when switching to 
jackson2. All my commits are visible in 
[https://github.com/pjfanning/jersey-1.x/commits/master.] I count 13 classes in 
src/main that had to be changed to use jackson 2.

I don't know the hadoop internal code that well but I doubt that javee 
jersey-json will work if you remove jackson 1 from classpath.

If the removing jackson 1 from classpath does not work, can you consider using 
my version of the lib?

> Remove the usage of jersey-json to remove jackson 1.x dependency.
> -----------------------------------------------------------------
>
>                 Key: HADOOP-15983
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15983
>             Project: Hadoop Common
>          Issue Type: Sub-task
>            Reporter: Akira Ajisaka
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 40m
>  Remaining Estimate: 0h
>




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