EM 12c: Enterprise Manager 12c Cloud Control is not Receiving any Alerts from its Agents
(Doc ID 1607640.1)
Last updated on AUGUST 03, 2023
Applies to:
Enterprise Manager Base Platform - Version 12.1.0.2.0 and laterInformation in this document applies to any platform.
Symptoms
No alerts are being generated in the Enterprise Manager 12c Cloud Control console from any agent.
a) From the .../gc_inst/em/EMGC_OMS1/sysman/log/emoms.trc, the following is logged:
SYSMAN.EM_EVENT_BUS is not enabled for dequeue
ORA-06512: at "SYS.DBMS_AQ", line 675
ORA-06512: at "SYS.DBMS_AQ", line 702
ORA-06512: at "SYSMAN.EM_EVENT_BUS", line 2417
ORA-06512: at line 1
b) EMDIAG output shows the following:
verifyREPOSITORY
======================================================================
3. Disabled AQ time monitor
INST_ID NAME VALUE
---------- -------------------------------------------------- --------------------------------------------------------------------------------
1 aq_tm_processes 0
8001. Event failures in the last 24 hours
-----------------------------------------
OCCUR_DATE ERROR_CODE ERROR_MSG
-------------------- ---------- ---------------------------------------------------------------------------------------------------
21-NOV-2013 18:09:42 -20304 Unexpected error during: ENQUEUE(M11/2) ORA-25207: enqueue failed, queue SYSMAN.EM_EVENT_BUS is disabled from enqueueing
c) A SQL query on the SYSMAN.EM_EVENT_BUS table confirms the log file message and the EMDIAG output:
SQL> select count(1) from AQ$_EM_EVENT_BUS_TABLE_L where msgid = '00000000000000000000000000000000';
COUNT(1)
----------
6772
Changes
Cause
To view full details, sign in with your My Oracle Support account. |
|
Don't have a My Oracle Support account? Click to get started! |
In this Document
Symptoms |
Changes |
Cause |
Solution |