EM 12c: OMS Incident "(EM-2902 [EMOMS][core.templ.uimodel.applicationModule.ApplyTempla)" And "oracle.sysman.emSDK.emd.comm.CommException: Unable to connect to the agent" with [Connection establishment timed out] (Doc ID 2013184.1)

Last updated on NOVEMBER 12, 2016

Applies to:

Enterprise Manager Base Platform - Version 12.1.0.3.0 and later
Information in this document applies to any platform.

Symptoms

The following incident is reported for the OMS:

Incident (EM-2902 [EMOMS][core.templ.uimodel.applicationModule.ApplyTempla) detected in
/u02/app/oracle/product/em12cr3/gc_inst/user_projects/domains/GCDomain/servers/EMGC_OMS1/adr/diag/ofm/EMGC_DOMAIN/EMOMS/alert/log.xml
at time/line number: Fri May 1 17:39:12 2015/1892.

EM-2902 [EMOMS][core.templ.uimodel.applicationModule.ApplyTemplaTarget <hostname>:4889_Management_Service(Oracle Management Service) 

 

The OMS log file [...]/gc_inst/em/EMGC_OMS1/sysman/log/emoms.log contains the following error messages:

2015-05-01 17:39:12,843 [RemoteJobWorker 46468845] ERROR applicationModule.ApplyTemplateAMImpl logp.251 - [EM-02902] Execution of Apply Template Operation has Failed oracle.sysman.emSDK.emd.comm.CommException: Unable to connect to the agent at https://myagenthostname:3872/emd/main/ [Connection establishment timed out] at oracle.sysman.gcagent.comm.oms.http.TMClientConnection.newConnectException(TMClientConnection.java:235) at oracle.sysman.gcagent.comm.http.ClientConnection.makeConnection(ClientConnection.java:822) at oracle.sysman.gcagent.comm.oms.http.TMClientConnection.<init>(TMClientConnection.java:88) at oracle.sysman.gcagent.comm.oms.http.HTTPClientTerminus.connect(HTTPClientTerminus.java:239) at oracle.sysman.gcagent.comm.oms.http.HTTPClientTerminus.sendMessage(HTTPClientTerminus.java:678) at oracle.sysman.gcagent.comm.oms.http.HTTPClientTerminus.getReplyFromMessage(HTTPClientTerminus.java:629) at oracle.sysman.gcagent.oms.TMRemoteClient.makeSingleRequest(TMRemoteClient.java:5087) at oracle.sysman.gcagent.oms.TMRemoteClient.makeSingleRequest(TMRemoteClient.java:5022) at oracle.sysman.gcagent.oms.TMRemoteClient.getTargetInstances(TMRemoteClient.java:5538

 

 

Changes

New firewall policy applied.

Cause

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