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https://issues.apache.org/jira/browse/FLINK-36389?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17885232#comment-17885232
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Luke Chen commented on FLINK-36389:
-----------------------------------
I think we did check if delegation tokens is enabled before checking the state:
https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/security/token/DelegationTokenReceiverRepository.java#L70
The error seems to indicate that there are multiple Delegation token receivers
set. Maybe have a look?
> Fix DelegationTokenReceiverRepository to check if Delegation Token is enabled
> -----------------------------------------------------------------------------
>
> Key: FLINK-36389
> URL: https://issues.apache.org/jira/browse/FLINK-36389
> Project: Flink
> Issue Type: Bug
> Components: Deployment / Kubernetes, Deployment / YARN
> Reporter: Archit Goyal
> Priority: Major
> Labels: security
>
> {*}Issue{*}: During the initialization of the
> {{DelegationTokenReceiverRepository}} in the constructor, the
> {{loadReceivers()}} method is invoked without checking whether delegation
> tokens are enabled. This leads to the following error in the TaskManager logs:
> {code:java}
> java.lang.IllegalStateException: Delegation token receiver with service name
> {} has multiple implementations [hadoopfs]{code}
>
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