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OMC : Installing DataCollector Agent Fails with Error: Unknown host specified (Doc ID 2486499.1)

Last updated on OCTOBER 01, 2019

Applies to:

Oracle Management Cloud - Version N/A and later
Information in this document applies to any platform.

Symptoms

Installing the Oracle Cloud DataCollector Agent fails with Reason: IO Error: Unknown host specified

Error Stack Observed from the AgentInstall_<timestamp>.log file:

Pre-Reqs for Harvester fresh install are not met. Following are the violations:
Error in checking if the Harvester OMR User 'MotoCloud' already exists. Reason: IO Error: Unknown host specified
OMR Privileged User could not connect to OMR. Reason: IO Error: Unknown host specified
Error in determining EM version. Error: IO Error: Unknown host specified
exception while retrieving omr host names
OMCAGNT_DC_ERROR_MESSAGES_START: [ {
"errorCode" : "OMCAGNT-4115",
"parameterValues" : [ "MotoCloud", "IO Error: Unknown host specified " ],
"errorMessage" : "Configuration of Data Collector schema [MotoCloud] failed while upgrading with error [IO Error: Unknown host specified ]."
}, {
"errorCode" : "OMCAGNT-4112",
"parameterValues" : [ "OMR_CONNECT_STRING: EMNPDB, OMR_USERNAME:OMC, OMR_USER_PASSWORD [xxxxxxx]", "IO Error: Unknown host specified " ],
"errorMessage" : "Failed to Connect to Oracle Management Repository using connection properties [OMR_CONNECT_STRING: EMNPDB, OMR_USERNAME:OMC, OMR_USER_PASSWORD [xxxxxxx]], Please check and validate the values of OMR_CONNECT_STRING or (OMR_HOSTNAME, OMR_PORT, OMR_SID or OMR_SERVICE_NAME, OMR_USERNAME, OMR_USER_PASSWORD) and re-trigger install. Error message: [IO Error: Unknown host specified ]."
} ] OMCAGNT_DC_ERROR_MESSAGES_END}

 

Cause

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In this Document
Symptoms
Cause
Solution


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