EM 12c: Enterprise Manager Cloud Control OMS Installation Fails At Repository Configuration Assistant Stage With 'ORA-12519, TNS:no appropriate service handler found' Reported In CfmLogger*.log (Doc ID 1479218.1)

Last updated on NOVEMBER 17, 2014

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.1.0 and later
Information in this document applies to any platform.

Symptoms

OMS installation failing at repository configuration stage

From <OMS_HOME>/cfgtoollogs/cfgfw/CfmLogger<timestamp>.log:
=========================
Caused by: oracle.sysman.emdrep.config.ConfigurationException: Cannot Create Connection:(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=reposhost.oracle.com)(PORT=1521)))(CONNECT_DATA=(SID=repossid)))
SYS
sysdba
Listener refused the connection with the following error:
ORA-12519, TNS:no appropriate service handler found
=========================

From repository database alert_<sid>.log file:
=============================
CREATE  TABLESPACE "MGMT_AD4J_TS" EXTENT MANAGEMENT LOCAL  AUTOALLOCATE  SEGMENT SPACE MANAGEMENT  AUTO  DATAFILE '/u01/app/oracle/oradata/htigcmr/mgmt_ad4j.dbf' SIZE 200M REUSE  AUTOEXTEND ON NEXT 50M MAXSIZE  UNLIMITED  
Completed: CREATE  TABLESPACE "MGMT_AD4J_TS" EXTENT MANAGEMENT LOCAL  AUTOALLOCATE  SEGMENT SPACE MANAGEMENT  AUTO  DATAFILE '/u01/app/oracle/oradata/htigcmr/mgmt_ad4j.dbf' SIZE 200M REUSE  AUTOEXTEND ON NEXT 50M MAXSIZE  UNLIMITED  
Wed Jul 25 21:55:21 2012
Thread 1 advanced to log sequence 4 (LGWR switch)
 Current log# 1 seq# 4 mem# 0: /u01/app/oracle/oradata/htigcmr/redo01.log
Wed Jul 25 21:55:46 2012
ORA-00020: maximum number of processes (300) exceeded
ORA-20 errors will not be written to the alert log for the next minute. Please look at trace files to see all the ORA-20 errors.
Process P246 submission failed with error = 20
=============================

Cause

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