Sumit Gupta created KNOX-546:
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Summary: WebHDFS HA secure cluster requests hang on revisiting a
namenode during failover
Key: KNOX-546
URL: https://issues.apache.org/jira/browse/KNOX-546
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 0.6.0
Reporter: Sumit Gupta
Fix For: 0.7.0, 0.6.1
When making a requests through knox to WebHDFS HA the following scenario does
not work.
WebHDFS HA is setup with two nodes, one active and one in standby. WebHDFS HA
is configured in knox with these two urls.
The active namenode is restarted (comes back up as standby node) and a request
is made. A failover happens and the request is successful.
The new active node is then restarted so that the old active node is now active
again. When another request is made the request hangs.
Please note that this scenario is only true in a secure cluster setup.
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