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https://issues.apache.org/jira/browse/HADOOP-19231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17875691#comment-17875691
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ASF GitHub Bot commented on HADOOP-19231:
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slfan1989 commented on PR #6953:
URL: https://github.com/apache/hadoop/pull/6953#issuecomment-2303356476
> The failing tests run with hadoop-common 3.3.6 and the JacksonUtil is not
in 3.3.6.
> If we can't change the CI build to use hadoop-common 3.5.0-SNAPSHOT, we
could clone JacksonUtil and add a copy of it to one of the yarn jars - and use
that 2nd JacksonUtil class in the yarn code instead of the hadoop-common one.
I found the error in the trunk branch, and it can be reproduced locally. I
agree to roll back this pr, and then merge it after the unit test is completely
passed.
> add JacksonUtil to centralise some code
> ---------------------------------------
>
> Key: HADOOP-19231
> URL: https://issues.apache.org/jira/browse/HADOOP-19231
> Project: Hadoop Common
> Issue Type: Task
> Affects Versions: 3.4.0, 3.4.1
> Reporter: PJ Fanning
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.5.0
>
>
> To future proof Hadoop against Jackson changes, it makes sense to not just
> create ObjectMappers and JsonFactories in many different places in the Hadoop
> code.
> One of the main drivers of this is
> https://www.javadoc.io/doc/com.fasterxml.jackson.core/jackson-core/latest/com/fasterxml/jackson/core/StreamReadConstraints.html
>
> Jackson 3 (not yet scheduled for release) has some fairly big API and
> behaviour changes too.
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