Verified this issue using clusterlogging.4.6.0-202101271348.p0, elasticsearch-operator.4.6.0-202101271348.p0.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (Moderate: OpenShift Container Platform 4.6.16 extras security update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHSA-2021:0310
Guys I've installed the 4.6.16 and still seeing the following err: {"error":{"root_cause":[{"type":"security_exception","reason":"Unexpected exception indices:admin/aliases/get"}],"type":"security_exception","reason":"Unexpected exception indices:admin/aliases/get"},"status":500} Error while attemping to determine the active write alias: {"error":{"root_cause":[{"type":"security_exception","reason":"Unexpected exception indices:admin/aliases/get"}],"type":"security_exception","reason":"Unexpected exception indices:admin/aliases/get"},"status":500} Current write index for audit-write: audit-000160 Checking results from _rollover call Next write index for audit-write: audit-000160 Checking if audit-000160 exists Checking if audit-000160 is the write index for audit-write Done! Thanks, Ronald
https://bugzilla.redhat.com/show_bug.cgi?id=1928772 for 4.6.16+
Vedanti, here are the new bugs as the issue is still not fixed. It's being verified in https://github.com/openshift/elasticsearch-operator/pull/678 Bug 1929688 (VERIFIED) Sometimes The Elasticsearch-Delete-Xxx Job Failed At "Unexpected Exception Indices:admin/Aliases/Get" - OCP 4.6.16 Bug 1928772 (VERIFIED) Sometimes The Elasticsearch-Delete-Xxx Job Failed: After OCP 4.6.16 Patch.