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https://issues.apache.org/jira/browse/HADOOP-15299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414593#comment-16414593
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Sean Mackrory commented on HADOOP-15299:
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The failure is unrelated - most commits since this morning have failed because
the wrong version of protoc is installed. Will start a mailing list thread as I
don't immediately see one already.
> Bump Hadoop's Jackson 2 dependency 2.9.x
> ----------------------------------------
>
> Key: HADOOP-15299
> URL: https://issues.apache.org/jira/browse/HADOOP-15299
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 3.1.0, 3.2.0
> Reporter: Sean Mackrory
> Assignee: Sean Mackrory
> Priority: Major
> Attachments: HADOOP-15299.001.patch
>
>
> There are a few new CVEs open against Jackson 2.7.x. It doesn't (necessarily)
> mean Hadoop is vulnerable to the attack - I don't know that it is, but fixes
> were released for Jackson 2.8.x and 2.9.x but not 2.7.x (which we're on). We
> shouldn't be on an unmaintained line, regardless. HBase is already on 2.9.x,
> we have a shaded client now, the API changes are relatively minor and so far
> in my testing I haven't seen any problems. I think many of our usual reasons
> to hesitate upgrading this dependency don't apply.
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