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https://issues.apache.org/jira/browse/HADOOP-13672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542248#comment-15542248
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Steve Loughran commented on HADOOP-13672:
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you might want to look at HADOOP-13332 as a fix for this, but an extracted
method here is something wed be able to safely backport to 2.7.x, so of more
immediate benefit
> 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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