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Former Member

Webdynpro Flights Project using JCO Connection

Im getting the stack trace error like this at the time of running the Flights Application using JCO Connection and other..I followed all the steps that they given in the help...

Kindly send replies to resolve this problem,,

Error stacktrace:

java.lang.NullPointerException

at com.sap.dictionary.runtime.ProviderFactory$PhysicalBackendProviderKey.hashCode(ProviderFactory.java:131)

at java.util.HashMap.hash(HashMap.java:261)

at java.util.HashMap.get(HashMap.java:317)

at com.sap.dictionary.runtime.ProviderFactory.internalGetProvider(ProviderFactory.java:227)

at com.sap.dictionary.runtime.ProviderFactory.getProvider(ProviderFactory.java:178)

at com.sap.dictionary.runtime.DdDictionaryPool.getDictionary(DdDictionaryPool.java:53)

at com.sap.dictionary.runtime.DdBroker.getDataType(DdBroker.java:137)

at com.sap.dictionary.runtime.DdBroker.getStructure(DdBroker.java:201)

at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getStructure(DataTypeBroker.java:290)

at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:743)

at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:751)

at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:751)

at com.sap.tc.webdynpro.progmodel.context.Node.init(Node.java:215)

at com.sap.tc.webdynpro.progmodel.context.Context.init(Context.java:36)

at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:177)

at com.sap.tc.webdynpro.progmodel.controller.Component.getCustomControllerInternal(Component.java:359)

at com.sap.tc.webdynpro.progmodel.controller.Component.getMappableContext(Component.java:300)

at com.sap.tc.webdynpro.progmodel.controller.Component.getMappableContext(Component.java:328)

at com.sap.tc.webdynpro.progmodel.context.MappingInfo.init(MappingInfo.java:132)

at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:736)

at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:751)

at com.sap.tc.webdynpro.progmodel.context.Node.init(Node.java:215)

at com.sap.tc.webdynpro.progmodel.context.Context.init(Context.java:36)

at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:177)

at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:513)

at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:371)

at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:528)

at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:395)

at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:113)

at com.sap.tc.webdynpro.progmodel.view.InterfaceView.initController(InterfaceView.java:40)

at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:178)

at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.displayToplevelComponent(ClientComponent.java:133)

at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:347)

at com.sap.tc.webdynpro.clientserver.task.Task.createApplication(Task.java:177)

at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:485)

at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:48)

at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:236)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:137)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:100)

at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:37)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:363)

at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:222)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:323)

at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:301)

at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:682)

at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:220)

at com.sap.engine.services.httpserver.server.Client.handle(Client.java:94)

at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:142)

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:100)

at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162)

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1 Answer

  • author's profile photo Former Member
    Former Member
    Posted on Jan 18, 2005 at 01:23 AM

    Hi Kishor,

    It looks like there is some problem with the data type that it got it from R3 server.

    1. First check Bapi at the R3 server

    2. If found okay. Check your messageServer Jco destination properties and test it.

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