ONTAP EMS Event Subscriptions fail with error:"java.lang.NullPointerException"

Applies to

OnCommand Unified Manager (OCUM) 9.X

Issue

• ONTAP EMS Event Subscriptions in OnCommand Unified Manager fails with Error: "java.lang.NullPointerException"

• The following error will be logged in ocumserver.log

2020-05-11 04:00:47,385 ERROR [admin] [default task-45] [service.logging.SimpleRemoteLoggingService|logOnServer] [c.n.n.c.u.a.e.ApplicationErrorHandler] java.lang.NullPointerException
java.lang.Throwable: java.lang.NullPointerException
     at com.google.gwt.core.client.impl.StackTraceCreator$CollectorEmulated.$fillInStackTrace(StackTraceCreator.java:174)
     at com.netapp.dfm.webui.shared.rpc.RemoteServiceException.RemoteServiceException(RemoteServiceException.java:508)
     at com.netapp.dfm.webui.shared.rpc.RemoteServiceException_FieldSerializer.instantiate(RemoteServiceException_FieldSerializer.java:16)
     at com.google.gwt.user.client.rpc.impl.SerializerBase$MethodMap.$instantiate(SerializerBase.java:55)
     at com.google.gwt.user.client.rpc.impl.SerializerBase.$instantiate(SerializerBase.java:112)
     at com.google.gwt.user.client.rpc.impl.AbstractSerializationStreamReader.$readObject(AbstractSerializationStreamReader.java:119)
     at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.$onResponseReceived(RequestCallbackAdapter.java:216)
     at com.netapp.nwf.client.rpc.CustomServiceProxy$2.onResponseReceived(CustomServiceProxy.java:82)
     at com.google.gwt.http.client.Request.$fireOnResponseReceived(Request.java:258)
     at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:412)
     at Unknown.anonymous(XMLHttpRequest.java:351)
     at com.google.gwt.core.client.impl.Impl.apply(Impl.java:189)
     at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:242)
     at Unknown.anonymous(Impl.java:70)