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https://issues.apache.org/jira/browse/KNOX-2612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17356497#comment-17356497
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Philip Zampino commented on KNOX-2612:
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Is this issue specifically about the impersonation options, or are you saying
that Knox won't proxy webhdfs without them either?
Can you attach any relevant excerpts from the Knox logs?
> Knox + webHDFS is not working with Hadoop 3.3
> ----------------------------------------------
>
> Key: KNOX-2612
> URL: https://issues.apache.org/jira/browse/KNOX-2612
> Project: Apache Knox
> Issue Type: Bug
> Components: KnoxSSO, Server
> Affects Versions: 1.4.0, 1.5.0
> Reporter: Rohan Nimmagadda
> Priority: Blocker
>
> Hadoop 3.3 Webhdfs is not working with Knox end point getting below exception
> Tried hadoop side of things by changing hadoop.http.filter.initializers in
> core-site to default AuthFilter and
> org.apache.hadoop.security.AuthenticationFilterInitializer value
> result shows same having issues with webHDFS
> Knox Webhdfs API :
> [https://knoxhost:8443/gateway/default/webhdfs/v1/tmp/?|https://drcn1003.target.com:8443/gateway/bigred/webhdfs/v1/tmp/?]
> &op=LISTSTATUS
> {"RemoteException":\{"exception":"SecurityException","javaClassName":"java.lang.SecurityException","message":"Failed
> to obtain user group information: java.io.IOException: Security enabled but
> user not authenticated by filter"}}
>
>
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