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https://issues.apache.org/jira/browse/HADOOP-16366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16862291#comment-16862291
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Prabhu Joseph commented on HADOOP-16366:
----------------------------------------

[~sunilg] Yes, that code is referred at multiple places and need some thorough 
testing. Since the issue is not happening on Apache Hadoop, will ignore this 
change. Apologies for the confusion. Will fix only the second issue. 

> Fix YARNUIV2 failing with "Request is a replay attack"
> ------------------------------------------------------
>
>                 Key: HADOOP-16366
>                 URL: https://issues.apache.org/jira/browse/HADOOP-16366
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: 3.3.0
>            Reporter: Prabhu Joseph
>            Assignee: Prabhu Joseph
>            Priority: Major
>         Attachments: HADOOP-16366-001.patch
>
>
> YARNUIV2 fails with "Request is a replay attack" when below settings 
> configured.
> {code:java}
> hadoop.security.authentication = kerberos
> hadoop.http.authentication.type = kerberos
> hadoop.http.filter.initializers = 
> org.apache.hadoop.security.AuthenticationFilterInitializer
> yarn.resourcemanager.webapp.delegation-token-auth-filter.enabled = false{code}
>  AuthenticationFilter is added twice by the Yarn UI2 Context causing the 
> issue.
> {code:java}
> 2019-06-12 11:59:43,900 INFO webapp.RMWebAppUtil 
> (RMWebAppUtil.java:addFiltersForUI2Context(483)) - UI2 context filter 
> Name:authentication, 
> className=org.apache.hadoop.security.authentication.server.AuthenticationFilter
> 2019-06-12 11:59:43,900 INFO webapp.RMWebAppUtil 
> (RMWebAppUtil.java:addFiltersForUI2Context(483)) - UI2 context filter 
> Name:authentication, 
> className=org.apache.hadoop.security.authentication.server.AuthenticationFilter
> {code}
>  
> Another issue with {{TimelineReaderServer}} which ignores 
> {{ProxyUserAuthenticationFilterInitializer}} when 
> {{hadoop.http.filter.initializers}} is configured.



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