"Deployments- Webservice- Configuration- WSDL" displays NPE in WLS 9.0

hello,
please, does anybody know a solution to the NullPointerException in WebServiceConfigurationWsdlAction.execute()? the exception is displayed when i click on the "WSDL" link found on a webservice's "Configuration" tab in the admin console.
i'm running WLS 9.0 on Solaris 9 SPARC. i successfully built and ran the "[url http://127.0.0.1:7001/examplesWebApp/examples/src/examples/webservices/jws_basic/simple/instructions.html]Creating a Web Service Using JWS Metadata Annotations" example. i used all of the example's source + build.xml file unchanged from when they were originally installed.
with the wl_server admin server up and running, i successfully built and ran the example with the following steps:
prompt# cd $WL_HOME/samples/server/examples/src/examples/webservices/jws_basic/simple
prompt# ant
all:
BUILD SUCCESSFUL
Total time: 1 minute 19 seconds
prompt# ant run
run:
sayHello:Hi there!
       [java] Got result: Here is the message: 'Hi there!'
BUILD SUCCESSFUL
Total time: 25 seconds
prompt# ant run.webapp
run.webapp:
BUILD SUCCESSFUL
Total time: 4 seconds
prompt# sayHello:Hello JWS WebService!the [url http://localhost:7001/examplesWebApp/JWS_WebService.jsp]JWS_WebService.jsp page successfully launches in the browser. and [url http://localhost:7001/examplesWebApp/JWS_WebService.jsp]that page successfully invokes the SimpleImpl webservice and displays the response as expected. given all of the above, i assume that the example has been deployed correctly.
however, the problem is: when i attempt to view the webservice's wsdl by following the instructions listed in the "[url http://localhost:7001/console-help/help/doc/en-us/com/bea/wlserver/taskhelp/webservices/ViewWsdl.html]View the WSDL of a Web Service" docs, i get a NullPointerException in WebServiceConfigurationWsdlAction.execute() (see below for full stacktrace). the exception stacktrace is displayed in the admin console when i click on the "WSDL" link found on the webservice's "Configuration" tab.
thanks in advance for your help.
========================================
<Mar 13, 2007 11:24:25 AM GMT> <Error> <Console> <BEA-240003> <Console encountered the following error Unexpected exception occured in page flow request processor:
java.lang.NullPointerException
        at com.bea.console.actions.webservice.WebServiceConfigurationWsdlAction.execute(WebServiceConfigurationWsdlAction.java:131)
        at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
        at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processActionPerform(PageFlowRequestProcessor.java:1948)
        at com.bea.console.internal.ConsolePageFlowRequestProcessor.processActionPerform(ConsolePageFlowRequestProcessor.java:184)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
        at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.processInternal(PageFlowRequestProcessor.java:590)
        at org.apache.beehive.netui.pageflow.PageFlowRequestProcessor.process(PageFlowRequestProcessor.java:840)
        at org.apache.beehive.netui.pageflow.AutoRegisterActionServlet.process(AutoRegisterActionServlet.java:607)
        at org.apache.beehive.netui.pageflow.PageFlowActionServlet.process(PageFlowActionServlet.java:135)
        at com.bea.console.internal.ConsoleActionServlet.process(ConsoleActionServlet.java:241)
        at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
        at com.bea.console.internal.ConsoleActionServlet.doGet(ConsoleActionServlet.java:130)
        at org.apache.beehive.netui.pageflow.PageFlowUtils.strutsLookup(PageFlowUtils.java:927)
        at com.bea.portlet.adapter.scopedcontent.ScopedContentCommonSupport.executeAction(ScopedContentCommonSupport.java:571)
        at com.bea.portlet.adapter.scopedcontent.ScopedContentCommonSupport.renderInternal(ScopedContentCommonSupport.java:222)
        at com.bea.portlet.adapter.scopedcontent.StrutsStubImpl.render(StrutsStubImpl.java:102)
        at com.bea.netuix.servlets.controls.content.NetuiContent.preRender(NetuiContent.java:338)
        at com.bea.netuix.nf.ControlLifecycle$6.visit(ControlLifecycle.java:401)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:665)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:677)
        at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:151)
        at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:206)
        at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:146)
        at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:327)
        at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:190)
        at com.bea.netuix.servlets.manager.UIServlet.doGet(UIServlet.java:156)
        at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:141)
        at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileServlet.java:206)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at weblogic.servlet.AsyncInitServlet.service(AsyncInitServlet.java:125)
        at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:214)
        at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:120)
        at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:272)
        at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
        at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)
        at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)
        at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3020)
        at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
        at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)
        at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:1925)
        at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1848)
        at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1288)
        at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
        at weblogic.work.ExecuteThread.run(ExecuteThread.java:179)

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6. Choose the Security tab.
7. Choose Edit.
8. Select the Transport protocol.
9. Check the UserID/Password under HTTP Authentication.
10. Save
while saving I am getting an error : A problem in the backend.Please refresh the UI.
Log Message:
Message:
[EXCEPTION]
com.sap.esi.esp.admin.ui.helper.exceptions.TechnicalException: Problem occured at the backend. Please refresh the UI.
at com.sap.esi.esp.admin.ui.helper.impl.JMXWSConfigManager.updateRTConfig(JMXWSConfigManager.java:356)
at com.sap.esi.esp.admin.ui.admin.BindingDataView.onActionSave(BindingDataView.java:1007)
at com.sap.esi.esp.admin.ui.admin.wdp.InternalBindingDataView.wdInvokeEventHandler(InternalBindingDataView.java:686)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:131)
at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:72)
at com.sap.tc.webdynpro.clientserver.phases.ProcessingEventPhase.doHandleActionEvent(ProcessingEventPhase.java:156)
at com.sap.tc.webdynpro.clientserver.phases.ProcessingEventPhase.execute(ProcessingEventPhase.java:91)
at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequestPartly(WindowPhaseModel.java:162)
at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doProcessRequest(WindowPhaseModel.java:110)
at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:97)
at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:512)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:52)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.doExecute(ClientApplication.java:1549)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.doProcessing(ClientApplication.java:1363)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.delegateToApplicationDoProcessing(AbstractExecutionContextDispatcher.java:154)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.DispatchHandlerForAppProcessing.doService(DispatchHandlerForAppProcessing.java:35)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.AbstractDispatchHandler.service(AbstractDispatchHandler.java:127)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:95)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.ExecutionContextDispatcher.dispatchToApplicationDoProcessing(ExecutionContextDispatcher.java:114)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.dispatch(AbstractExecutionContextDispatcher.java:80)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.dispatch(ApplicationSession.java:618)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.dispatch(ApplicationSession.java:649)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doApplicationProcessingStandalone(ApplicationSession.java:570)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:309)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:743)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:258)
at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:259)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.delegateToRequestManager(AbstractExecutionContextDispatcher.java:202)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.DispatchHandlerForRequestManager.doService(DispatchHandlerForRequestManager.java:38)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.AbstractDispatchHandler.service(AbstractDispatchHandler.java:127)
at com.sap.engine.services.servlets_jsp.server.deploy.impl.module.IRequestDispatcherImpl.dispatch(IRequestDispatcherImpl.java:95)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.ExecutionContextDispatcher.dispatchToDispatcherContext(ExecutionContextDispatcher.java:146)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.dispatch(AbstractExecutionContextDispatcher.java:92)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.dispatch(AbstractExecutionContextDispatcher.java:104)
at com.sap.tc.webdynpro.serverimpl.core.AbstractDispatcherServlet.doContent(AbstractDispatcherServlet.java:87)
at com.sap.tc.webdynpro.serverimpl.core.AbstractDispatcherServlet.doPost(AbstractDispatcherServlet.java:61)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:140)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:37)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:486)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:298)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:396)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:385)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:48)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:76)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:243)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:78)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.ResponseLogWriter.process(ResponseLogWriter.java:60)
at com.sap.engine.services.httpserver.chain.HostFilter.process(HostFilter.java:9)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DefineHostFilter.process(DefineHostFilter.java:27)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MonitoringFilter.process(MonitoringFilter.java:29)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.MemoryStatisticFilter.process(MemoryStatisticFilter.java:43)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.DSRHttpFilter.process(DSRHttpFilter.java:42)
at com.sap.engine.services.httpserver.chain.ServerFilter.process(ServerFilter.java:12)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.server.Processor.chainedRequest(Processor.java:428)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:247)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:45)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:115)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:96)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:314)
Date:     2010-09-21
Time:     18:32:18:600
Category:     com.sap.esi.esp.admin.ui.admin.AdminComp
Location:     com.sap.esi.esp.admin.ui.admin.AdminComp
Application:     sap.com/tclmitsamuimainframe~wd
Thread:     Thread[HTTP Worker [@1298169768],5,Dedicated_Application_Thread]
Data Source:     j2ee\cluster\server0\log\defaultTrace_00.trc
Arguments:
DSR Transaction:     0c8868e0c5d011df967500155d046701
Message Code:
Session:     1
Transaction:
User:     Administrator
Time Zone:     0-400
CSN Component:     BC-ESI-WS-JAV
DC Component:     sap.com/tcesiespitsamui~wd
Correlation ID:     458750850000000004
DSR Root Context ID:     F6B4F240C5CF11DFAA0100155D046701
DSR Connection:     0c8868e0c5d011df967500155d046701
DSR Counter:     0
Log ID:     00155D04670100200000000200001384
Host:
System:
Instance:
Node:     server0
Request you for any help.
Regards,
Guru.
Edited by: gurunadh kumar on Sep 22, 2010 12:40 AM

Hi Gurunadh Kumar
It is not easy to read your question, anyway I made it and let me try to summarize it before providing your the solution:
Reproducing steps when configuring the webservices(SAP ME) in CE 7.1 EHP1.
1. Log on to SAP NetWeaver Administrator Console by launching the following URL: http://:/nwa.
2. Choose SOA Management Application and Scenario Communication Single Service Administration .
3. Search for the Web service: Eg. BOMProcessingIn
4. Select port type
5. In the bottom window, select associated ServicePort
6. Choose the Security tab.
7. Choose Edit.
8. Select the Transport protocol.
9. Check the UserID/Password under HTTP Authentication.
10. Save while saving I am getting an error :
A problem in the backend.Please refresh the UI. Log Message: Message:
[EXCEPTION] com.sap.esi.esp.admin.ui.helper.exceptions.TechnicalException:
Problem occured at the backend. Please refresh the UI.
I have checked through the exception stack traces, this should be caused by the patch level inconsistency between the following
components on your CE7.11 system:
   - ESP_FRAMEWORK
   - ENGINEAPI
   - J2EE-FRMW
To resolve this problem, please download the lastest patch for all the above software components as per the current SP level,
and deploy them to your system, then try the same steps again.
Best Regards,
Thunder
Edited by: Thunder Feng on Sep 22, 2010 10:52 AM

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