EM 12c Cloud Control Re-Installation Fails at Repository Configuration With Error " RCU-6016:The specified prefix already exists" (Doc ID 1365834.1)

Last updated on JULY 17, 2013

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.1.0 and later
Information in this document applies to any platform.
Checked for relevance on 17-Jul-2013

Symptoms

Installation of EM 12c Cloud Control fails at MDS Schema Configuration or it errors out in view log section as follows:

filename: /DATA/Middleware/oms/sysman/log/schemamanager/m_100911_0511_PM/m_100911_0511_PM.CREATE/emschema.log
newly created: /DATA/Middleware/oms/sysman/log/schemamanager/m_100911_0511_PM/m_100911_0511_PM.CREATE/emschema.log
jdbcUrl = jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=<hostname.domainname.com>)(PORT=1521)))(CONNECT_DATA=(SID=orcl)))
Processing command line ....
Repository Creation Utility - Checking Prerequisites
Checking Global Prerequisites
RCU-6016:The specified prefix already exists.
RCU-6091:Component name/schema prefix validation failed.
Processing command line ....
Repository Creation Utility - Checking Prerequisites
Checking Global Prerequisites
RCU-6016:The specified prefix already exists.
RCU-6091:Component name/schema prefix validation failed.


The OMS_HOME/sysman/log/schemamanager/m_<timestamp>/m_<timestamp>.CREATE/rcu.log has following error messages :


2011-10-09 17:24:50.450 TRACE rcu: oracle.sysman.assistants.rcu.backend.validation.StepValidator::setPrefixInfo: Detect query before variable substitution:
2011-10-09 17:24:50.450 TRACE rcu: oracle.sysman.assistants.rcu.backend.validation.StepValidator::setPrefixInfo: Detect query after variable substitution:
2011-10-09 17:24:50.453 TRACE rcu: oracle.sysman.assistants.rcu.backend.validation.StepValidator::isConnectionStepValidated: Leaving.
2011-10-09 17:24:50.453 ERROR rcu: oracle.sysman.assistants.rcu.backend.RCUCommandLineParser::setComponentSelections: RCU-6016:The specified prefix already exists.
2011-10-09 17:24:50.453 NOTIFICATION rcu: oracle.sysman.assistants.common.util.SilentMessageHandler::writeToLog: RCU-6016:The specified prefix already exists.
2011-10-09 17:24:50.453 ERROR rcu: oracle.sysman.assistants.rcu.backend.SilentRCUModel::performOperation: RCU-6091:Component name/schema prefix validation failed.
2011-10-09 17:24:50.453 NOTIFICATION rcu: oracle.sysman.assistants.common.util.SilentMessageHandler::writeToLog: RCU-6091:Component name/schema prefix validation failed.

Cause

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