Errors in Default trace file SAP NW 7.4 Java

Dear All,

We have Installed SAP NW 7.4 Portal and SAP NW 7.4 PI servers in both the servers we are finding the below errors in the default trace files and the error is repeating lot of times.

Kindly suggest the necessary steps to be taken to stop this error.

Please find the below error details for your reference.

Invalid Response code (401). Server [http://axepdev00:50013/SAPControl.cgi] returned message [Unauthorized]. Http proxy info: none

[EXCEPTION]

com.sap.engine.services.webservices.espbase.client.bindings.exceptions.TransportBindingException: Invalid Response code (401). Server [http://axepdev00:50013/SAPControl.cgi] returned message [Unauthorized]. Http proxy info: none

at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.handleSOAPResponseMessage(SOAPTransportBinding.java:595)

at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.call_SOAP(SOAPTransportBinding.java:1376)

at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.callWOLogging(SOAPTransportBinding.java:997)

at com.sap.engine.services.webservices.espbase.client.bindings.impl.SOAPTransportBinding.call(SOAPTransportBinding.java:951)

at p1385978123718.SAPControl_Stub.j2EEGetProcessList(SAPControl_Stub.java:485)

at com.sap.tc.lm.itsam.core.techsystem.SAP_ITSAMJ2eeInstanceBootstrap_Impl.refreshJ2eeProcesses(SAP_ITSAMJ2eeInstanceBootstrap_Impl.java:162)

at com.sap.tc.lm.itsam.core.techsystem.SAP_ITSAMJ2eeInstanceBootstrap_Impl.getSAP_ITSAMJ2eeInstanceBootstrapJ2eeProcessPartComponent(SAP_ITSAMJ2eeInstanceBootstrap_Impl.java:1081)

at com.sap.tc.lm.itsam.core.techsystem.SAP_ITSAMJ2eeInstanceBootstrapWrapper.getAttribute(SAP_ITSAMJ2eeInstanceBootstrapWrapper.java:474)

at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttribute(DefaultMBeanServerInterceptor.java:665)

at com.sun.jmx.mbeanserver.JmxMBeanServer.getAttribute(JmxMBeanServer.java:648)

at com.sap.pj.jmx.server.MBeanServerImpl.getAttribute(MBeanServerImpl.java:662)

at com.sap.pj.jmx.server.interceptor.MBeanServerWrapperInterceptor.getAttribute(MBeanServerWrapperInterceptor.java:181)

at com.sap.engine.services.jmx.CompletionInterceptor.getAttribute(CompletionInterceptor.java:449)

at com.sap.pj.jmx.server.interceptor.BasicMBeanServerInterceptor.getAttribute(BasicMBeanServerInterceptor.java:169)

at com.sap.jmx.provider.ProviderInterceptor.getAttribute(ProviderInterceptor.java:224)

at com.sap.engine.services.jmx.RedirectInterceptor.getAttribute(RedirectInterceptor.java:232)

at com.sap.pj.jmx.server.interceptor.MBeanServerInterceptorChain.getAttribute(MBeanServerInterceptorChain.java:161)

at com.sap.engine.services.jmx.MBeanServerSecurityWrapper.getAttribute(MBeanServerSecurityWrapper.java:235)

at com.sap.engine.services.jmx.ClusterInterceptor.getAttribute(ClusterInterceptor.java:559)

at com.sap.pj.jmx.server.interceptor.MBeanServerInterceptorChain.getAttribute(MBeanServerInterceptorChain.java:161)

at com.sap.monitoring.ws.info_retrievers.ServerNodesStateRetriever.acquireServerNodesState(ServerNodesStateRetriever.java:64)

at com.sap.monitoring.ws.info_retrievers.ServerNodesStateRetriever.retrieveServerNodesState(ServerNodesStateRetriever.java:39)

at com.sap.monitoring.ws.info_retrievers.MonitorsRetriever.getAggregatedData(MonitorsRetriever.java:308)

at com.sap.monitoring.ws.info_retrievers.MonitorsRetriever.retrieveAggregatedData(MonitorsRetriever.java:88)

at com.sap.monitoring.ws.JEEMONWS.retrieveMonitors(JEEMONWS.java:54)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.sap.engine.services.webservices.runtime.JavaClassImplementationContainer$ServletEndpointDispatchHandler.service(JavaClassImplementationContainer.java:117)

at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:363)

at com.sap.engine.services.webservices.runtime.JavaClassImplementationContainer.invokeMethod(JavaClassImplementationContainer.java:169)

at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.process0(RuntimeProcessingEnvironment.java:710)

at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.preProcess(RuntimeProcessingEnvironment.java:662)

at com.sap.engine.services.webservices.espbase.server.runtime.RuntimeProcessingEnvironment.process(RuntimeProcessingEnvironment.java:322)

at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPostWOLogging(ServletDispatcherImpl.java:199)

at com.sap.engine.services.webservices.runtime.servlet.ServletDispatcherImpl.doPost(ServletDispatcherImpl.java:65)

at com.sap.engine.services.webservices.servlet.SoapServlet.doPost(SoapServlet.java:61)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)

at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:152)

at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:38)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:457)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:210)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:441)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:430)

at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:38)