Hello experts,
I have installed the CE7.1 trial version in my system with J2EE engine and NWDS. I have created technical system and created the JCo for the same to access the company's R/3 system. I created an web dynpro application of flight list. When i am running my application, i am getting the following error.
java.lang.NullPointerException
at com.sap.conn.jco.rt.DefaultDestinationManager.checkProperties(DefaultDestinationManager.java:405)
at com.sap.conn.jco.rt.DefaultDestinationManager.update(DefaultDestinationManager.java:142)
at com.sap.conn.jco.rt.DefaultDestinationManager.searchDestination(DefaultDestinationManager.java:292)
at com.sap.conn.jco.rt.DefaultDestinationManager.getDestinationInstance(DefaultDestinationManager.java:90)
at com.sap.conn.jco.JCoDestinationManager.getDestination(JCoDestinationManager.java:61)
... 82 more
Detailed Error Information
Detailed Exception Chain
com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Exception was thrown in preprocessing phase of application session ApplicationSession(id=fcda3751e7b111ddb75600188b03d569, name=com.sap.demo.flightlist.flightmodel.flightapplication.FlightApplication). The causing exception is nested. RID=fcd0c170e7b111dd821900188b03d569
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doPreprocessing(ClientSession.java:680)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:239)
at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:258)
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:116)
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.dispatchToRequestManager(ExecutionContextDispatcher.java:140)
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.doGet(AbstractDispatcherServlet.java:54)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
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:466)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:291)
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:240)
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:457)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:250)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:45)
at com.sap.engine.core.thread.execution.Executable.run(Executable.java:109)
at com.sap.engine.core.thread.execution.CentralExecutor$SingleThread.run(CentralExecutor.java:314)
Caused by: com.sap.tc.webdynpro.progmodel.context.DictionaryException: InvocationTargetException
at com.sap.tc.webdynpro.progmodel.context.DictionaryHandler.getDataType(DictionaryHandler.java:192)
at com.sap.tc.webdynpro.progmodel.context.DataAttributeInfo.init(DataAttributeInfo.java:434)
at com.sap.tc.webdynpro.progmodel.context.NodeInfo.initUnmappedAttributes(NodeInfo.java:978)
at com.sap.tc.webdynpro.progmodel.context.DataNodeInfo.doInit(DataNodeInfo.java:294)
at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:950)
at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:954)
at com.sap.tc.webdynpro.progmodel.context.Context.init(Context.java:69)
at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:205)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:552)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.doPreprocessing(ClientApplication.java:1296)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.delegateToApplicationDoPreprocessing(AbstractExecutionContextDispatcher.java:146)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.DispatchHandlerForAppPreprocessing.doService(DispatchHandlerForAppPreprocessing.java:35)
at com.sap.tc.webdynpro.serverimpl.wdc.sessionctx.AbstractDispatchHandler.service(AbstractDispatchHandler.java:116)
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.dispatchToApplicationDoPreprocessing(ExecutionContextDispatcher.java:100)
at com.sap.tc.webdynpro.serverimpl.core.sessionctx.AbstractExecutionContextDispatcher.dispatch(AbstractExecutionContextDispatcher.java:74)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.dispatch(ApplicationSession.java:571)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.dispatch(ApplicationSession.java:602)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doPreprocessing(ApplicationSession.java:252)
at com.sap.tc.webdynpro.clientserver.session.ClientSession.doPreprocessing(ClientSession.java:677)
... 48 more
Caused by: com.sap.dictionary.runtime.DdException: InvocationTargetException
at com.sap.dictionary.runtime.ProviderFactory4J7.getProvider(ProviderFactory4J7.java:36)
at com.sap.dictionary.runtime.DdDictionaryPool.getProvider(DdDictionaryPool.java:96)
at com.sap.dictionary.runtime.DdDictionaryPool.makeDictionary(DdDictionaryPool.java:75)
at com.sap.dictionary.runtime.DdDictionaryPool.makeDictionary(DdDictionaryPool.java:63)
at com.sap.dictionary.runtime.DdBroker.getDataType(DdBroker.java:224)
at com.sap.tc.webdynpro.progmodel.context.DictionaryHandler._getScalarType(DictionaryHandler.java:462)
at com.sap.tc.webdynpro.progmodel.context.DictionaryHandler.getDataType(DictionaryHandler.java:171)
... 67 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at com.sap.dictionary.runtime.ProviderFactory4J7.getProvider(ProviderFactory4J7.java:21)
... 73 more
Caused by: com.sap.conn.jco.JCoException: (106) JCO_ERROR_RESOURCE: Destination WD_RFC_METADATA_DEST does not exist
at com.sap.mdi.jco7.Factory.makeException(Factory.java:41)
at com.sap.mdi.jco7.Destination.<init>(Destination.java:35)
at com.sap.mdi.jco7.Destination.make(Destination.java:21)
at com.sap.mdi.jco7.Factory.getDestination(Factory.java:28)
at com.sap.dictionary.runtime.mdi.DataProvider.<init>(DataProvider.java:115)
... 78 more
Caused by: com.sap.conn.jco.JCoException: (106) JCO_ERROR_RESOURCE: Destination WD_RFC_METADATA_DEST does not exist at com.sap.conn.jco.rt.DefaultDestinationManager.update(DefaultDestinationManager.java:163)
at com.sap.conn.jco.rt.DefaultDestinationManager.searchDestination(DefaultDestinationManager.java:292)
at com.sap.conn.jco.rt.DefaultDestinationManager.getDestinationInstance(DefaultDestinationManager.java:90)
at com.sap.conn.jco.JCoDestinationManager.getDestination(JCoDestinationManager.java:61)
at com.sap.mdi.jco7.Destination.<init>(Destination.java:32)
... 81 more
Caused by: java.lang.NullPointerException
at com.sap.conn.jco.rt.DefaultDestinationManager.checkProperties(DefaultDestinationManager.java:405)
at com.sap.conn.jco.rt.DefaultDestinationManager.update(DefaultDestinationManager.java:142)
... 85 more
Can anybody tell the reason for this and solution for the same.
Thanks & Regards
Sagar Ingalwar
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