Tag: <span>HDFS</span>


Kafka Consumer Command Failed With Error: disconnected (org.apache.kafka.clients.NetworkClient)

I am on LDR (Learning & Development Rotation) week again for my role in Cloudera, where each support engineer will get 1-2 weeks off the queue to learn whatever we want, that can help on our daily job. This week, I choose Ranger, which is a Authorisation and Auditing framework …

Access to WebHCat with error “User: HTTP/full-domain@REALM is not allowed to impersonate username”

Last week I was dealing with an issue that when connecting to WebHCat using the following command: user got the following error: After doing some research, it turned out to be caused by the auth_to_local rules user defined in the cluster, see below config in the core-site.xml for HDFS: In …

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