Enterprise Portal - Create Task throws exception

Hi All,
  I'm working on MDM 7.1, NW 7.01. Click on the 'Create Task' from Universal worklist page throws the following exception. Any thoughts what might be causing this.
  500   Internal Server Error
          SAP NetWeaver Application Server 7.00/Java AS 7.00
Failed to process request. Please contact your system administrator.
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Error Summary
While processing the current request, an exception occured which could not be handled by the application or the framework.
If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).
Root Cause
The initial exception that caused the request to fail, was:
   java.lang.NullPointerException
    at com.sap.ip.collaboration.core.impl.ume.manager.UMRepositoryManager.getResource(UMRepositoryManager.java:212)
    at com.sapportals.wcm.repository.RMAdapter.getResource(RMAdapter.java:228)
    at com.sapportals.wcm.repository.runtime.CmAdapter.findResource(CmAdapter.java:1349)
    at com.sapportals.wcm.repository.runtime.CmAdapter.findManagerAndResource(CmAdapter.java:1322)
    at com.sapportals.wcm.repository.runtime.CmAdapter.getResourceImpl(CmAdapter.java:979)
    ... 57 more
See full exception chain for details.
System Environment
Client
Web Dynpro Client Type     HTML Client
User agent     Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11
Version     null
DOM version     null
Client Type     ns7
Client Type Profile     nn7
ActiveX     disabled
Cookies     enabled
Frames     enabled
Java Applets     enabled
JavaScript     enabled
Tables     enabled
VB Script     enabled
Server
Web Dynpro Runtime     Vendor: SAP, build ID: 7.0103.20081111115141.0000 (release=NW701_03_REL, buildtime=2008-12-07:13:19:14[UTC], changelist=51958, host=pwdfm246), build date: Tue May 12 20:39:49 MDT 2009
J2EE Engine     7.01 PatchLevel 56102.
Java VM     IBM J9 VM, version:2.3, vendor: IBM Corporation
Operating system     Linux, version: 2.6.16.60-0.37_f594963d-xen, architecture: amd64
Session & Other
Session Locale     en_US
Time of Failure     Wed Jul 01 09:01:10 MDT 2009 (Java Time: 1246460470781)
Web Dynpro Code Generation Infos
sap.com/tceujwfuiwizardtask
SapDictionaryGenerationCore     7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:10[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp)
SapDictionaryGenerationTemplates     7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:16[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp)
SapGenerationFrameworkCore     7.0103.20071003090713.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:07[UTC], changelist=463957, host=PWDFM201.wdf.sap.corp)
SapIdeWebDynproCheckLayer     7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:15[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp)
SapMetamodelCommon     7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:51[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp)
SapMetamodelCore     7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:46[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp)
SapMetamodelDictionary     7.0103.20071003090530.0000 (release=701_SP_REL, buildtime=2008-11-05:19:52:58[UTC], changelist=463951, host=PWDFM201.wdf.sap.corp)
SapMetamodelWebDynpro     7.0103.20080730170953.0000 (release=701_SP_REL, buildtime=2008-11-05:19:57:29[UTC], changelist=494995, host=PWDFM201.wdf.sap.corp)
SapWebDynproGenerationCTemplates     7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201)
SapWebDynproGenerationCore     7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:20[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp)
SapWebDynproGenerationTemplates     7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201)
sap.com/tcwddispwda
No information available     null
sap.com/tckmcbc.uwl.ui~wd_ui
SapDictionaryGenerationCore     7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:10[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp)
SapDictionaryGenerationTemplates     7.0103.20071003090459.0000 (release=701_SP_REL, buildtime=2008-11-05:19:55:16[UTC], changelist=463950, host=PWDFM201.wdf.sap.corp)
SapGenerationFrameworkCore     7.0103.20071003090713.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:07[UTC], changelist=463957, host=PWDFM201.wdf.sap.corp)
SapIdeWebDynproCheckLayer     7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:15[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp)
SapMetamodelCommon     7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:51[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp)
SapMetamodelCore     7.0103.20071003091208.0000 (release=701_SP_REL, buildtime=2008-11-05:19:48:46[UTC], changelist=463971, host=PWDFM201.wdf.sap.corp)
SapMetamodelDictionary     7.0103.20071003090530.0000 (release=701_SP_REL, buildtime=2008-11-05:19:52:58[UTC], changelist=463951, host=PWDFM201.wdf.sap.corp)
SapMetamodelWebDynpro     7.0103.20080730170953.0000 (release=701_SP_REL, buildtime=2008-11-05:19:57:29[UTC], changelist=494995, host=PWDFM201.wdf.sap.corp)
SapWebDynproGenerationCTemplates     7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201)
SapWebDynproGenerationCore     7.0103.20080730170941.0000 (release=701_SP_REL, buildtime=2008-11-05:20:00:20[UTC], changelist=494993, host=PWDFM201.wdf.sap.corp)
SapWebDynproGenerationTemplates     7.0103.20081105123737.0000 (release=701_SP_REL, buildtime=2008-11-05:20:06:40[UTC], changelist=507414, host=pwdfm201)
sap.com/tcwdcorecomp
No information available     null
Detailed Error Information
Detailed Exception Chain
java.lang.NullPointerException
     at com.sap.ip.collaboration.core.impl.ume.manager.UMRepositoryManager.getResource(UMRepositoryManager.java:212)
     at com.sapportals.wcm.repository.RMAdapter.getResource(RMAdapter.java:228)
     at com.sapportals.wcm.repository.runtime.CmAdapter.findResource(CmAdapter.java:1349)
     at com.sapportals.wcm.repository.runtime.CmAdapter.findManagerAndResource(CmAdapter.java:1322)
     at com.sapportals.wcm.repository.runtime.CmAdapter.getResourceImpl(CmAdapter.java:979)
     at com.sapportals.wcm.repository.runtime.CmAdapter.getResource(CmAdapter.java:192)
     at com.sap.ip.collaboration.core.impl.ume.so.SOUser.<init>(SOUser.java:86)
     at com.sap.ip.collaboration.core.impl.ume.so.SOUserFactory.getSOUser(SOUserFactory.java:89)
     at com.sap.ip.collaboration.core.impl.ume.so.SOPeopleFactory.getSOPeople(SOPeopleFactory.java:104)
     at com.sap.ip.collaboration.coreui.api.people.util.State.identifyPeopleApplicationList(State.java:939)
     at com.sap.netweaver.kmc.people.wdpicker.PeoplePickerView.initializePeopleSelection(PeoplePickerView.java:510)
     at com.sap.netweaver.kmc.people.wdpicker.PeoplePickerView.wdDoInit(PeoplePickerView.java:145)
     at com.sap.netweaver.kmc.people.wdpicker.wdp.InternalPeoplePickerView.wdDoInit(InternalPeoplePickerView.java:189)
     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:445)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155)
     at com.sap.tc.webdynpro.progmodel.view.InterfaceView.initController(InterfaceView.java:43)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:724)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155)
     at com.sap.tc.webdynpro.progmodel.view.InterfaceView.initController(InterfaceView.java:43)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:724)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579)
     at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155)
     at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.doOpen(WebDynproWindow.java:295)
     at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.show(ApplicationWindow.java:182)
     at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.open(ApplicationWindow.java:177)
     at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:364)
     at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.initApplication(ApplicationSession.java:754)
     at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:289)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:713)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:666)
     at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250)
     at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53)
     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:401)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
     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(AccessController.java:219)
     at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:104)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)
Appreciate all your help!
Regards,
VSingh
Edited by: VSingh on Jul 1, 2009 10:03 AM

Hi,
The error message tells you that something is referencing a NULL value in the code of the UMRepositoryManager class. This is generally a sign of poor error detection in the code and not checking for NULL's before trying to use them! If I were you I would try the following:
1. Check your User Management Engine (UME) configuration
2. Check the KM UM Repository Manager configuration
I would say that because the code is standard SAP code the problem is somewhere in the configuration of your system (i.e. the code is expecting something to be configured but it is not). I would also recommend checking SAP OSS notes for a possible solution.
Hope this gets you started towards finding the solution.
BRgds,
Simon

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