XDB UNINITIALIZED: XDB$SCHEMA NOT ACCESSIBLE in alert log when starting upgrade
(Doc ID 1619145.1)
Last updated on APRIL 22, 2019
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Information in this document applies to any platform.
When trying to start the database in 'upgrade' mode, the following error occurs in the alert log
"XDB UNINITIALIZED: XDB$SCHEMA not accessible
Successful mount of redo thread 1, with mount id 117647961
Database mounted in Exclusive Mode
Completed: ALTER DATABASE MOUNT
Thu Oct 24 09:47:12 2013
ALTER DATABASE OPEN MIGRATE
Resource Manager disabled during database migration
Thu Oct 24 09:47:40 2013
replication_dependency_tracking turned off (no async multimaster replication found)
XDB UNINITIALIZED: XDB$SCHEMA not accessible
Completed: ALTER DATABASE OPEN MIGRATE
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