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This article will help to renew kerberos ticket with Falcon.

 

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It has been seen that Falcon server fails to perform operations after kerberos credentials expire and following exception occur.

 

 

Caused by: org.apache.hadoop.security.authentication.client.AuthenticationException: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt)

 

 

 

To solve this issue, we must set following parameter in Falcon startup.properties through ambari-ui to revalidate kerberos credentials. Value for this properties is in seconds.

  1. Stop Falcon server
  2. Set parameter : *.falcon.service.authentication.token.validity=<value in seconds>
  3. Start Falcon server

Note: This article is for version greater than HDP-2.5.* .

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Last update:
‎09-12-2019 05:45 PM
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