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The problem was acache consistency issue between impalad and catalogd. Because a Sentry refresh was occuring during an update to privileges from the alter table set owner, impalad had the correct privileges, which allowed the "show grant role" to succeed but the privileges in catalogd were being overwritten from the sentry refresh. Added a delay in the drop call to ensure privileges are updated. This is a workaround to get the tests to pass with the existing behaviour and should be reassessed if IMPALA-7763 is implemented. This would add a lock to possibly prevent this, but will need it's own assessment. Testing: - Ran custom cluster tests 50 times Change-Id: I5a1babd3dcbb94ffaa1f3e6ef2cebf1a1d391219 Reviewed-on: http://gerrit.cloudera.org:8080/11786 Reviewed-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>