Hi Gurus,
We have performed EP 6.0 SP16 system copy as per the PDF SAP WAS Java 640 patch collection. After the target system installed, system is working fine. But after few days, it started giving error as "500 Internal Server error, contact system administrator" when we try to click on create or maintain Jco Destinations button. I have gone through default log find few errors but could not get proper solution. SLD is working fine.
Any help appreciated. Find below the contents from Default log file:
#1.5#00137254D726006F00000062000004E400043F0A092749D3#1195212242656#com.sap.engine.services.servlets_jsp.client.RequestInfoServer#sap.com/tcwddispwda#com.sap.engine.services.servlets_jsp.client.RequestInfoServer#Administrator#134##yhsapr03_EP6_6701450#Administrator#6989dde1943611dc99bf00137254d726#SAPEngine_Application_Thread[impl:3]_19##0#0#Error##Plain###Processing HTTP request to servlet [dispatcher] finished with error. The error is: java.lang.NullPointerException
at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.checkStatus(SystemLandscapeFactory.java:997)
at com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscape.checkStatus(WDSystemLandscape.java:485)
at com.sap.tc.webdynpro.tools.explorer.JCOConnectionsDetails.updateJCOClientStatus(JCOConnectionsDetails.java:494)
at com.sap.tc.webdynpro.tools.explorer.JCOConnectionsDetails.addJCOClientToList(JCOConnectionsDetails.java:711)
at com.sap.tc.webdynpro.tools.explorer.JCOConnectionsDetails.addJCOClientToList(JCOConnectionsDetails.java:675)
at com.sap.tc.webdynpro.tools.explorer.JCOConnectionsDetails.wdDoInit(JCOConnectionsDetails.java:122)
at com.sap.tc.webdynpro.tools.explorer.wdp.InternalJCOConnectionsDetails.wdDoInit(InternalJCOConnectionsDetails.java:259)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:61)
at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215)
at com.sap.tc.webdynpro.progmodel.view.View.initController(View.java:275)
at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:539)
at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:397)
at com.sap.tc.webdynpro.progmodel.view.ViewManager.makeVisible(ViewManager.java:619)
at com.sap.tc.webdynpro.progmodel.view.ViewManager.performNavigation(ViewManager.java:262)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.navigate(ClientApplication.java:819)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:359)
at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:659)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59)
at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251)
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:390)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
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:100)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
#
#1.5#00137254D726006F00000064000004E400043F0A09274C69#1195212242656#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#sap.com/tcwddispwda#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#Administrator#134##yhsapr03_EP6_6701450#Administrator#6989dde1943611dc99bf00137254d726#SAPEngine_Application_Thread[impl:3]_19##0#0#Error#1#/System/Server/WebRequests#Plain###Processing HTTP request to servlet [dispatcher] finished with error.
The error is: java.lang.NullPointerException: null
Exception id: [00137254D726006F00000062000004E400043F0A092749D3]#
Shiv