EBS r12.1.3 Failing concurrent managers

Posted by latifa on Feb 26, 2019; 10:08am
URL: http://erman-arslan-s-oracle-forum.124.s1.nabble.com/EBS-r12-1-3-Failing-concurrent-managers-tp7263.html


Hi Erman,

we have 3 servers CM (concurrent managers). The operator found in the workflow dashbord that 2 CMS  among 3 have problems.  He tried to stop CMs but they restarted automatically. He stopped the listener and he could stop all servers even web, forms, etc ... (3 other servers). This was done around 8:00 AM on 11-FEB-2019.

So to give the root cause, some errors were detected in the log files of the ICM (Internal Concurrent Manager) as shown in the attached file.

I tried to find out which message was most significant and I think it's this one:

Unsuccessful in ping of node RAC_DB_SERVER_2, error reported: Node Timed Out.
Internal Concurrent Manager found node  RAC_DB_SERVER_1 to be down. Adding it to the list of unavailable nodes.

And I looked after this error message and I found this Oracle Doc ID: 2189822.1

My questions:
- What is your opinion about this choice ?
- Could it be something else ? (alert_log doesn't show any error of database down even listeners logs RAC, SCAN_1, SCAN_2 and SCAN_3 were OK)

I attached ICM logs and listener logfile.

Thank you in advance for your help.

Regards,
Latifa

Incidents.zip