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Discovery of Standalone Oracle HTTP Server(OHS) Fails with "Agent side plugin is not deployed " Error in OEM 13.1 Environment (Doc ID 2456575.1)

Last updated on OCTOBER 04, 2019

Applies to:

Enterprise Manager for Fusion Middleware - Version and later
Information in this document applies to any platform.


When trying to discover a standalone OHS, the following error is displayed:

The following error appears in  <gc_inst>/em/EMGC_OMS1/sysman/log/emoms.log:

[2018-10-01T15:53:19.748+03:00] [EMGC_OMS1] [WARNING] [] [oracle.sysman.emSDK.view.errPopup.ErrorPopupUtil] [tid: [ACTIVE].ExecuteThread: '25' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: mashakao] [ecid: 005TmdA8R3yDwWC5vF_AiX000ATI0000H1,0:1] [APP: emgc] Agent side plugin is not deployed on <Agent_HostName>:<Agent Port> https://<OMS Host Name>:<Console Port>/em/faces/as/ohs/standaloneOhsDiscovery?Adf-Window-Id=w0&Adf-Page-Id=59 REQUEST_METHOD: POST View Id: /as/ohs/standaloneOhsDiscovery[[
javax.faces.el.EvaluationException: java.lang.IllegalArgumentException: Agent side plugin is not deployed on <Agent Host Name>:<Agent port>
  at org.apache.myfaces.trinidadinternal.taglib.util.MethodExpressionMethodBinding.invoke(
  at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodBinding(
  at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(
  at org.apache.myfaces.trinidad.component.UIXComponent.broadcastInContext(
  at org.apache.myfaces.trinidad.component.WrapperEvent.broadcastWrappedEvent(


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