[GitHub] [tez] ayushtkn commented on pull request #247: TEZ-4169: Decouple from Hadoop's jackson version and shade the latest…

["ayushtkn (via GitHub)" <gi...@apache.org>]

ayushtkn commented on PR #247:
URL: https://github.com/apache/tez/pull/247#issuecomment-1534050526

   The latest hadoop code has higher jackson version. 
   https://github.com/apache/hadoop/blob/trunk/hadoop-project/pom.xml#L71-L73
   btw. jackson & jersey are bit messy, is the reason behind shading was older version from hadoop, and we wanted to move forward?
   
   Well, jackson in hadoop code does seems to be used in hdfs-client, and in RBF(hdfs federation), maven classpaths during tests and in the actual differ in some cases, not sure how safe it is, if there is any interaction b/w any Hadoop method which takes any jackson class as an argument, it would create noise, typical problems, with shading.....
   
   if only version is an issue, hadoop 3.3.5 is out and I am attempting an upgrade to that and it has 2.12 jackson


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