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From "Noble Paul (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13672) Extract out jackson calls into an overrideable method in DelegationTokenAuthenticationHandler
Date Mon, 03 Oct 2016 12:50:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542357#comment-15542357
] 

Noble Paul commented on HADOOP-13672:
-------------------------------------

The point is, we do not want to use jackson at all, because Solr uses another library. if
the method is extracted out, it is an easy win without any effort from your side

> Extract out jackson calls into an overrideable method in DelegationTokenAuthenticationHandler
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-13672
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13672
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Ishan Chattopadhyaya
>            Priority: Minor
>
> In Apache Solr, we use hadoop-auth for delegation tokens. However, because of the following
lines, we need to import Jackson (old version).
> https://github.com/apache/hadoop/blob/branch-2.7/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/web/DelegationTokenAuthenticationHandler.java#L279
> If we could extract out the calls to ObjectMapper to another method, so that at Solr
we could override it to do the Map -> json conversion using noggit, it would be helpful.
> Reference: SOLR-9542



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