Work around when Audit trail is not visible in EM : Unable to display Flowtrace due to exception while initializing object, please review logs for detailed information

Some times when you open an instance in EM console, you might not be able to view the audit trail.

The error might be as below

Unable to display Flowtrace due to exception while initializing object, please review logs for detailed information.

>> Exception occured while retrieving the Flowtrace XML for the Composite Instance; ECID: 41343d22bdb09a74:-2967886c:144cf30c70b:-8000-000000000296dd8a
>> java.lang.NullPointerException
  at oracle.sysman.emai.model.sca.share.composite.FlowTraceModel.setFloatraceModelInfo(FlowTraceModel.java:185)
  at oracle.sysman.emai.model.sca.share.composite.FlowTraceModel.initialize(FlowTraceModel.java:90)
  at oracle.sysman.emai.model.sca.EMEntityModel._initializeEntityData(EMEntityModel.java:28)
  at oracle.sysman.emai.model.sca.common.SCAEntityObject.initializeSCAData(SCAEntityObject.java:124)
  at oracle.sysman.emai.model.sca.SCAObject.initializeData(SCAObject.java:74)
  at oracle.sysman.core.model.util.ModelUtil$EMObjectResetter.initOrResetEMObject(ModelUtil.java:319)
  at oracle.sysman.core.model.util.ModelUtil$EMObjectResetter.access$000(ModelUtil.java:280)
  at oracle.sysman.core.model.util.ModelUtil.initializeMBEMObjects(ModelUtil.java:231)
  at oracle.sysman.core.model.util.ModelUtil.initializeAllEMObjects(ModelUtil.java:128)
  at oracle.sysman.core.model.util.ModelUtil.initializeAllEMObjects(ModelUtil.java:101)
  at oracle.sysman.emSDK.adfext.ctlr.EMPagePhaseListener.doPrePrepareModel(EMPagePhaseListener.java:867)
  at oracle.sysman.emSDK.adfext.ctlr.EMPagePhaseListener.beforePhase(EMPagePhaseListener.java:795)
  at oracle.adfinternal.controller.lifecycle.ADFLifecycleImpl$PagePhaseListenerWrapper.beforePhase(ADFLifecycleImpl.java:558)
  at oracle.adfinternal.controller.lifecycle.LifecycleImpl.internalDispatchBeforeEvent(LifecycleImpl.java:100)
  at oracle.adfinternal.controller.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:191)
  at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.startPageLifecycle(ADFPhaseListener.java:203)
  at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener$1.after(ADFPhaseListener.java:377)
  at oracle.adfinternal.controller.faces.lifecycle.ADFPhaseListener.afterPhase(ADFPhaseListener.java:88)
  at oracle.adfinternal.controller.faces.lifecycle.ADFLifecyclePhaseListener.afterPhase(ADFLifecyclePhaseListener.java:53)
  at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:520)
  at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:207)
  at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
  at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
  at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
  at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:301)
  at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
  at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
  at oracle.sysman.emSDK.license.LicenseFilter.doFilter(LicenseFilter.java:164)


I had to debug the issue, so i tried a new way.

1. Get all the components with id associated with the instance.
2. Now i had list of components with component instance id and i will get list of error messages

Now i know which component has error.

Whether its BPEL, BPMN, MEDIATOR, HUMAN TASK etc I will goto the respective service engines in EM console, put the component instance id and will be able to view the faults with audit trail of that particular component.