Mithun Radhakrishnan created HIVE-17853:
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Summary: RetryingMetaStoreClient loses UGI impersonation-context
when reconnecting after timeout
Key: HIVE-17853
URL: https://issues.apache.org/jira/browse/HIVE-17853
Project: Hive
Issue Type: Bug
Components: Metastore
Affects Versions: 3.0.0, 2.4.0, 2.2.1
Reporter: Mithun Radhakrishnan
Assignee: Chris Drome
Priority: Critical
The {{RetryingMetaStoreClient}} is used to automatically reconnect to the Hive
metastore, after client timeout, transparently to the user.
In case of user impersonation (e.g. Oozie super-user {{oozie}} impersonating a
Hadoop user {{mithun}}, to run a workflow), in case of timeout, we find that
the reconnect causes the {{UGI.doAs()}} context to be lost. Any further
metastore operations will be attempted as the login-user ({{oozie}}), as
opposed to the effective user ({{mithunr}}).
We should have a fix for this shortly.
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