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https://issues.apache.org/jira/browse/HBASE-22399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16838236#comment-16838236
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Sean Busbey commented on HBASE-22399:
-------------------------------------
{quote}
The jackson stuff is used here
[https://github.com/apache/hadoop/blob/0b8464d75227fcee2c6e7f2410377b3d53d3d5f8/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java#L3132]
Maybe we can still exclude it if we can make sure we do not use this method,
the error line is a mock, let me try to see if we can remove it.
{quote}
no, just loading the {{Configuration}} class would require loading the Jackson
stuff. we must not be excluding it correctly before this patch. let me see if a
dependency tree shows it coming in.
> Change default hadoop-two.version to 2.8.x and remove the 2.7.x hadoop checks
> -----------------------------------------------------------------------------
>
> Key: HBASE-22399
> URL: https://issues.apache.org/jira/browse/HBASE-22399
> Project: HBase
> Issue Type: Sub-task
> Components: build, hadoop2
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 3.0.0, 2.3.0
>
> Attachments: HBASE-22399-v1.patch, HBASE-22399.patch
>
>
> Our nightly is failing so let's do this first, and for the ref guide changes
> can be done in another sub task.
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