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https://issues.apache.org/jira/browse/HADOOP-15299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414482#comment-16414482
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Hudson commented on HADOOP-15299:
---------------------------------

FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #13880 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/13880/])
HADOOP-15299. Bump Jackson 2 version to Jackson 2.9.x. (mackrorysd: rev 
82665a7887a4bbb3afbc257bec31089173f3a969)
* (edit) hadoop-project/pom.xml
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/test/java/org/apache/hadoop/yarn/server/timeline/PluginStoreTestUtils.java
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/test/java/org/apache/hadoop/yarn/server/timeline/TestLogInfo.java
* (edit) 
hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/state/StatePool.java
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timeline-pluginstorage/src/main/java/org/apache/hadoop/yarn/server/timeline/LogInfo.java
* (edit) 
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/client/api/impl/FileSystemTimelineWriter.java
* (edit) 
hadoop-tools/hadoop-rumen/src/test/java/org/apache/hadoop/tools/rumen/TestHistograms.java


> 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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