CR Hota created HDFS-14006:
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Summary: RBF: Support to get Router object from web context
instead of Namenode
Key: HDFS-14006
URL: https://issues.apache.org/jira/browse/HDFS-14006
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: CR Hota
Assignee: CR Hota
Router currently uses Namenode web resources to read and verify delegation
tokens. This model doesn't work when router will be deployed in secured mode.
This change will introduce router's own UserProvider resource and dependencies.
In the current deployment one can see this exception.
{"RemoteException":\{"exception":"ClassCastException","javaClassName":"java.lang.ClassCastException","message":"org.apache.hadoop.hdfs.server.federation.router.Router
cannot be cast to org.apache.hadoop.hdfs.server.namenode.NameNode"}}
In the proposed change, router will maintain its own web resource, that will be
similar to current namenode, but modified to get back a router instance instead
of namenode.
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