EM13c: ODA discovery fails with The following errors are found during discovery. Please examine the error messages and the targets being discovered if any

(Doc ID 2356227.1)

Last updated on MARCH 13, 2018

Applies to:

Enterprise Manager for Oracle Database - Version 13.1.0.0.0 to 13.2.2.0.0 [Release 13.1 to 13.2]
Information in this document applies to any platform.

Symptoms

Unable to discover ODA through EM 13c.

emoms.trc

[[ACTIVE] ExecuteThread: '19' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR discoverymodel.OdaDiscovery logp.251 - Error in do discovery
  Cannot open file: /tmp/Output
  Fail to login using the root discovery credentials.


2018-01-04 16:26:41,824 [[ACTIVE] ExecuteThread: '21' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR discoverymodel.OdaDiscovery logp.251 - Get credential reference 'ODA_TEST_ROOT' throws EMCredentialException:oracle.sysman.emSDK.core.sec.credstore.EMCredentialException: Passwords do not match.
2018-01-04 16:27:02,618 [[ACTIVE] ExecuteThread: '12' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR discoverymodel.OdaDiscovery logp.251 - Error in do discovery
  testoda6 is not an ODA box.


2018-01-09 13:29:35,491 [[ACTIVE] ExecuteThread: '26' for queue: 'weblogic.kernel.Default (self-tuning)'] ERROR discoverymodel.OdaDiscovery logp.251 - getCredential throws Exception: java.lang.NullPointerException
2018-01-09 13:29:35,494 [[ACTIVE] ExecuteThread: '26' for queue: 'weblogic.kernel.Default (self-tuning)'] WARN errPopup.ErrorPopupUtil logp.251 - java.lang.NullPointerException : java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(Unknown Source)
at org.apache.myfaces.trinidad.component.UIXCommand.broadcast(UIXCommand.java:190)
at org.apache.myfaces.trinidad.component.UIXComponent.broadcastInContext(UIXComponent.java:364)
at org.apache.myfaces.trinidad.component.WrapperEvent.broadcastWrappedEvent(WrapperEvent.java:82)
at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:111)
at org.apache.myfaces.trinidad.component.UIXComponent.broadcastInContext(UIXComponent.java:364)
at org.apache.myfaces.trinidad.component.WrapperEvent.broadcastWrappedEvent(WrapperEvent.java:82)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent$1.run(ContextSwitchingComponent.java:168)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent._processPhase(ContextSwitchingComponent.java:510)
at oracle.adf.view.rich.component.fragment.ContextSwitchingComponent.broadcast(ContextSwitchingComponent.java:171)
at oracle.adf.view.rich.component.fragment.UIXInclude.broadcast(UIXInclude.java:115)
at javax.faces.component.UIViewRoot.broadcastEvents(Unknown Source)
at javax.faces.component.UIViewRoot.processApplication(Unknown Source)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._invokeApplication(LifecycleImpl.java:1074)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:402)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:225)

 

Console message:

"The following errors are found during discovery. Please examine the error messages and the targets being discovered if any. "

OR

java.lang.NullPointerException
#{pageFlowScope.trainBean.doNext}: java.lang.NullPointerException

 

Cause

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