The HWX distribution should have user gpadmin added. That is required by the optional HAWQ component.
When this isn't present, many authorization errors can be seen in logs. Below is an example from 8.1.2. In 8.0.0.7 errors were observed including LeaseExpiredException, FileNotFoundExecption, etc:
[hdfs] RPC V9 user: gpadmin exception: org.apache.hadoop.security.authorize.AuthorizationException cause: Username: 'gpadmin' not found. Make sure your client's username exists on the cluster
The HWX distribution should have user
gpadmin
added. That is required by the optional HAWQ component.When this isn't present, many authorization errors can be seen in logs. Below is an example from 8.1.2. In 8.0.0.7 errors were observed including LeaseExpiredException, FileNotFoundExecption, etc: