'Enq: CB - Role Operation' Wait When Granting Roles to Users
(Doc ID 2194996.1)
Last updated on MARCH 03, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 12.1.0.1 and laterOracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- When granting roles (e.g. DBA) or some other roles to users, Oracle hangs or waits on "enq: CB - role operation" wait event and never returns
Cause
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In this Document
Symptoms |
Cause |
Solution |