EM 12c: Resync Fails 'Unable to deploy <plugin> on host <AGENT HOSTNAME>' Plugin Version Mismatch reported in emoms.log (Doc ID 1951655.1)

Last updated on APRIL 14, 2018

Applies to:

Symptoms

Agent is blocked and RESYNC fails while deploying plugins

/gc_inst/em/EMGC_OMS1/sysman/log/emoms.log reports the following error

2014-10-29 15:32:29,483 [RemoteJobWorker 8938755] ERROR ResyncState.class logp.251 - Exception in resync: Unable to deploy oracle.sysman.emas/12.1.0.5.0 on host agent1.oracle.com -  Error : Impossible de poursuivre le déploiement/l'annulation du déploiement de module d'extension sur l'agent https://agent1.oracle.com:1830/emd/main/ car ce dernier n'est pas en fonctionnement.
oracle.sysman.emSDK.core.extensibility.plugin.deployment.EMPluginDeploymentException: Unable to deploy oracle.sysman.emas/12.1.0.5.0 on host agent1.oracle.com -  Error : Impossible de poursuivre le déploiement/l'annulation du déploiement de module d'extension sur l'agent https://agent1.oracle.com:1830/emd/main/ car ce dernier n'est pas en fonctionnement.

        at oracle.sysman.emdrep.target.EntityUtil.pushPlugin(EntityUtil.java:2078)
        at oracle.sysman.emdrep.target.EntityUtil.promoteTargets(EntityUtil.java:2977)
        at oracle.sysman.emdrep.target.EntityUtil.promoteTargets(EntityUtil.java:2871)
        at oracle.sysman.emdrep.target.EntityUtil.promoteAllTargets(EntityUtil.java:2628)
        at oracle.sysman.emctl.resync.ResyncState.resyncState(ResyncState.java:638)
        at oracle.sysman.emctl.resync.ResyncState.executeCommand(ResyncState.java:1966)

Agent shows oracle.sysman.emas:12.1.0.6.0

$/AGENT_INST/bin/emctl listplugins agent

Oracle Enterprise Manager Cloud Control 12c Release 3
Copyright (c) 1996, 2013 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
oracle.sysman.oh    12.1.0.3.0 D:\agent12c\plugins\oracle.sysman.oh.agent.plugin_12.1.0.3.0
oracle.sysman.emas  12.1.0.6.0 D:\agent12c\plugins\oracle.sysman.emas.agent.plugin_12.1.0.6.0

Cause

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