I've EP9 SP9. I tried test one Jco Destination from page Web Dynpro of SAP NetWeaver. I still follow every post about that, but anyone to fix my problem.
java.lang.NoClassDefFoundError: com/sap/util/monitor/jarm/TaskMonitor
at com.sap.mw.jco.util.Jarm.getRequestMonitor(Jarm.java:57)
at com.sap.mw.jco.JCO$Client.beginCall(JCO.java:3986)
at com.sap.mw.jco.JCO$Client.execute(JCO.java:3638)
at com.sap.mw.jco.JCO$Client.execute(JCO.java:3129)
at com.sap.mw.jco.JCO$Client.startAuthorizationTracing(JCO.java:4144)
at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.getClient(AbstractJCOClientConnection.java:366)
at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.ping(AbstractJCOClientConnection.java:958)
at com.sap.tc.webdynpro.tools.explorer.JCOConnectionsDetails.onActionPingConnection(JCOConnectionsDetails.java:382)
at com.sap.tc.webdynpro.tools.explorer.wdp.InternalJCOConnectionsDetails.wdInvokeEventHandler(InternalJCOConnectionsDetails.java:325)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)
at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:67)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleAction(WebDynproMainTask.java:100)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:299)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:635)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59)
at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:249)
at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154)
at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116)
at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:55)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:385)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:263)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:340)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:318)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:821)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:239)
at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:147)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:37)
at com.sap.engine.core.cluster.impl6.session.UnorderedChannel$MessageRunner.run(UnorderedChannel.java:71)
at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
at java.security.AccessController.doPrivileged(Native Method)
at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:94)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162)