ONTAP EMS事件订阅失败、并显示错误："java.lang.NullPointerException"

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Category:: active-iq-unified-manager<a>Unified Manager</a><a>OCUM</a><a>陈旧的集群</a><a>清理</a><a>以进行转换</a>

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适用场景

OnCommand 统一管理器(OCUM) 9.X

问题描述

OnCommand 统一管理器中的ONTAP EMS事件订阅失败、并显示错误：java.lang.NullPointerException

ocumserver.log中将记录以下错误

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)