Database Shutdown Did Not Complete In 60 Minutes, Active Slave Process Waits for 'class slave wait'
(Doc ID 2584522.1)
Last updated on SEPTEMBER 24, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Information in this document applies to any platform.
Database instance shutdown takes long time and does not come to an end. Alert log file shows:
Shutting down instance (immediate) (OS id: 15065)
Active process 25599 user 'xxxxx' program 'xxxx@xxxxxx'(M000)', waiting for 'class slave wait'
SHUTDOWN: waiting for logins to complete.
WARNING: CLMN has failed to cleanup a dead process for 4000 attempts
WARNING: CLMN has failed to cleanup a dead process for 4100 attempts
Active process 25599 user 'm77hcmorad' program 'userx@xxxxxx(M000)', waiting for 'class slave wait'
SHUTDOWN: Active sessions prevent database close operation
Shutdown did not complete in 60 minutes
+ Shutdown immediate hangs when an active background slave process is waiting for 'class slave wait'.
+ This background process is not always the same, but most of the time is MMON slave one.
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