Accessing model node with cardianlity 1 to 1 throwing error

Hello All,
I'm try ing to set values to a model node in the request for a mass update.
in teh model nodes, one of the model node is mandatory with 1:1 cardinality.
i cannot call the currentElement() nor the create and addelement
both throwint the same error as below.
I'm using CE 7.2 engine, and its very critical for me to complete this update.
com.sap.tc.cm.base.exception.BaseModelRuntimeException: No object for mandatory target role 'Position' of model class 'uk.co.apps.bertha.wdj.model.wd.models.managets.PositionWrapper' with cardinality 'ONE' maintained
    at com.sap.tc.cm.base.model.BaseGenericModelClass.getRelatedModelObject(BaseGenericModelClass.java:436)
    at com.sap.tc.webdynpro.model.webservice.gci.WSTypedModelClass.getRelatedModelObject(WSTypedModelClass.java:82)
    at com.sap.tc.webdynpro.progmodel.context.DataNode.doSupplyElements(DataNode.java:162)
    at com.sap.tc.webdynpro.progmodel.context.DataNode.supplyElements(DataNode.java:106)
    at com.sap.tc.webdynpro.progmodel.context.Node.getElementListAsObject(Node.java:244)
the generated code, i have a list to which i have to bind this node to, there is no code generated as i see it.
i tried regenerating and it doesnt help.
the following is the complete stack
com.sap.tc.cm.base.exception.BaseModelRuntimeException: No object for mandatory target role 'Position' of model class 'uk.co.apps.bertha.wdj.model.wd.models.managets.PositionWrapper' with cardinality 'ONE' maintained
at com.sap.tc.cm.base.model.BaseGenericModelClass.getRelatedModelObject(BaseGenericModelClass.java:436)
at com.sap.tc.webdynpro.model.webservice.gci.WSTypedModelClass.getRelatedModelObject(WSTypedModelClass.java:82)
at com.sap.tc.webdynpro.progmodel.context.DataNode.doSupplyElements(DataNode.java:162)
at com.sap.tc.webdynpro.progmodel.context.DataNode.supplyElements(DataNode.java:106)
at com.sap.tc.webdynpro.progmodel.context.Node.getElementListAsObject(Node.java:244)
at com.sap.tc.webdynpro.progmodel.context.Node.getElements(Node.java:251)
at com.sap.tc.webdynpro.progmodel.context.Node.getElementAtInternal(Node.java:390)
at com.sap.tc.webdynpro.progmodel.context.Node.getCurrentElementInternal(Node.java:689)
at com.sap.tc.webdynpro.progmodel.context.Node.getCurrentElement(Node.java:696)
at uk.co.apps.bertha.wdj.ui.ts.wd.comp.tscomp.wdp.IPublicTeamStructComp$IPositionUpdateNode.currentPositionUpdateElement(IPublicTeamStructComp.java:10729)
at uk.co.apps.bertha.wdj.ui.ts.wd.comp.tscomp.TeamStructComp.saveMyChildren(TeamStructComp.java:920)
at uk.co.apps.bertha.wdj.ui.ts.wd.comp.tscomp.TeamStructComp.saveNewChangedTeam(TeamStructComp.java:882)
at uk.co.apps.bertha.wdj.ui.ts.wd.comp.tscomp.wdp.InternalTeamStructComp.saveNewChangedTeam(InternalTeamStructComp.java:925)
at uk.co.apps.bertha.wdj.ui.ts.wd.comp.tscomp.TeamStructEditView.onActionSubmitSuccess(TeamStructEditView.java:481)
at uk.co.apps.bertha.wdj.ui.ts.wd.comp.tscomp.wdp.InternalTeamStructEditView.wdInvokeEventHandler(InternalTeamStructEditView.java:523)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:142)
at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:75)
at com.sap.tc.webdynpro.clientserver.phases.ProcessingEventPhase.doHandleActionEvent(ProcessingEventPhase.java:159)
at com.sap.tc.webdynpro.clientserver.phases.ProcessingEventPhase.execute(ProcessingEventPhase.java:94)
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.processPhaseLoop(WindowPhaseModel.java:101)
at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processPhaseLoop(WebDynproWindow.java:547)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.handleWindowHierarchyChanges(AbstractClient.java:108)
at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:56)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.doExecute(ClientApplication.java:1652)
at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.doProcessing(ClientApplication.java:1466)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doApplicationProcessingStandalone(ApplicationSession.java:884)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doApplicationProcessing(ApplicationSession.java:856)
at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:343)
at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:315)
at com.sap.tc.webdynpro.serverimpl.core.AbstractDispatcherServlet.doContent(AbstractDispatcherServlet.java:87)
at com.sap.tc.webdynpro.serverimpl.wdc.DispatcherServlet.doContent(DispatcherServlet.java:76)
at com.sap.tc.webdynpro.serverimpl.core.AbstractDispatcherServlet.doPost(AbstractDispatcherServlet.java:62)
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:152)
at com.sap.engine.services.servlets_jsp.server.Invokable.invoke(Invokable.java:38)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:400)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:203)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:438)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:427)
at com.sap.engine.services.servlets_jsp.filters.DSRWebContainerFilter.process(DSRWebContainerFilter.java:38)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ServletSelector.process(ServletSelector.java:80)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.servlets_jsp.filters.ApplicationSelector.process(ApplicationSelector.java:268)
at com.sap.engine.services.httpserver.chain.AbstractChain.process(AbstractChain.java:78)
at com.sap.engine.services.httpserver.filters.WebContainerInvoker.process(WebContainerInvoker.java:81)
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:54)
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:447)
at com.sap.engine.services.httpserver.server.Processor$FCAProcessorThread.process(Processor.java:264)
at com.sap.engine.services.httpserver.server.rcm.RequestProcessorThread.run(RequestProcessorThread.java:56)
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:315)

Thanks for reply,
but i can't understand what is myModel indicates in the below code?
Request_EmployeeManagementLocal_updateEmployee reqMod =
new Request_EmployeeManagementLocal_updateEmployee(myModel);
//Check empl model class will be there , create an object for that
Employee objEmpl=new Employee(myModel);
regards,
Pradeep Kumar

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     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelNode Output [modelClass]: The context model node has not been bound to a model class (Hint: A Context model node has to be bound to a model class or mapped to a model node of another controller.)
     [wdgen] [Info]    XXX.sampledc.CN_SAMPLEDC --> ContextModelNode Output [supplyingRelationRole]: Supply function or supplying relation role missing (Hint: A child node which is not mapped must have either a supplying relation role or a supply function or one of its parent nodes must have a supply function.)
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Ex_Message [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Ex_Flag [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelNode It_Outtab2 [modelClass]: The context model node has not been bound to a model class (Hint: A Context model node has to be bound to a model class or mapped to a model node of another controller.)
     [wdgen] [Info]    XXX.sampledc.CN_SAMPLEDC --> ContextModelNode It_Outtab2 [supplyingRelationRole]: Supply function or supplying relation role missing (Hint: A child node which is not mapped must have either a supplying relation role or a supply function or one of its parent nodes must have a supply function.)
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Picture [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Waers [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Infnr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Netpr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Inco1 [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Ekorg [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Lifnr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Price_Unit [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Maktx [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Name1 [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Filep [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Matnr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Werks [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Inco2 [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelNode It_Outtab [modelClass]: The context model node has not been bound to a model class (Hint: A Context model node has to be bound to a model class or mapped to a model node of another controller.)
     [wdgen] [Info]    XXX.sampledc.CN_SAMPLEDC --> ContextModelNode It_Outtab [supplyingRelationRole]: Supply function or supplying relation role missing (Hint: A child node which is not mapped must have either a supplying relation role or a supply function or one of its parent nodes must have a supply function.)
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Picture [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Ebeln [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Waers [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Netpr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Inco1 [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Lifnr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Price_Unit [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Ebelp [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Name1 [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Filep [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Matnr [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Txz01 [referencedProperty]: The context model attribute has not been bound to a model property
     [wdgen] [Error]   XXX.sampledc.CN_SAMPLEDC --> ContextModelAttribute Inco2 [referencedProperty]: The context model attribute has not been bound to a model property
Thanks & Regards,
Palani

Hi Palani,
May be something is missed while checking in the activity. This is what you can do:
1) Note the error.
2) You will have to forcefully activate the activity since its already checked in.
3) Create a dummy activity and do the following:
                          Right click on the DC in the Webdynpro Perspective and Click on Repair and chose Project Structure and Classpath.
                          Right click on the DC in the Webdynpro Perspective and Click on Rebuild.
                          Right click on the DC in the Webdynpro Perspective and Click on Reload.
                         Close the DC and then open the DC again.
         Add these files to repository in the following way: Go to DC Perspective Expend the DC node Right Click on the src folder Chose DTR Chose Add Chose
                         Subtree. It will add the changes to the central repository and now if you Checkin the activity and see the results the changes will be effective.
4) Also map the context attribute once again.
5) Now check in the activity and try to activate.
Regards.
Rajat

Looking for expert who can highlight 3d model node in adobe reader with external program

I need to select and highlight 3d model node in adobe reader with my program.from outside of adobe reader. it seems there is no out-of-box API in stndard SDK. I want to outsource this task fully or partly. If you have the solution or able to provide consultant in this area, please send message to me.

You would indeed need a plug-in to actually select and highlight but you can easily call attention to a part by temporarily changing the color via JavaScript which you can access from external applications.
I can provide more specific advice if you explain the exact user interaction you're looking for. Is this a desktop application? Is the PDF in a browser? etc.
J-

Instantiating Model Node in Component Controller with new Abstractlist()

Hi All,
We have the following issue.
When we instantiate a Node - Po_Items using Element.setPo_Items( new AbstractList() )
We get an error "The Type AbstractList Cannot be instantiate" .
So how to successfully instantiate AbstractList() so that ultimately the BAPI_NODE_INPUT can be instantiated.
Best Regards,
Roby...

Hi Murtuza,
Thanks alot for the response.
I tried initializing Node using
Element.addPo_Items(new Bapiekpoc());
But its not getting initialized and I get following errror when I run the application.
500 Internal Server Error
Web Dynpro Container/SAP J2EE Engine/6.40
Failed to process request. Please contact your system administrator
Is there any other way to initialize the Po_Items Node which which is inside the Model Node BAPI_PO_CREATE_INPUT.
BAPI_PO_CREATE_INPUT ( Model Node )
-- Po_Items ( Subnode which is an input table inside the BAPI )
Thanks again & Best Regards,
Roby....

Difference among Model node creation, model attribute creation and the field creation in database through AET?

Hello Friends,
To display the field on the View, we can create the field via 3 ways:
1) By creating the model attribute
2) By creating the model node using the GENIL object and using its attributes in view
3) Creating the field in Database structure using AET
But, i am not aware that in exactly what kind of business scenarios we use the above 3 methods to create the field.
Could you help me out to clarify the same.

Hi Dev,
1). By creating the model attribute: we will use this option in case of the field is avaibla in stanadrd sap system. It might be in another under child context nodes and we will use BOL relations to access the attribute.
2). By creating the model node using the GENIL object and using its attributes in view: We will use this option incase of there is no standard provision to use. Means you want to create any custom assignment block with custom attributes then you can go for this option. More over we can use AET to create custom genil object. We have an option Create Table in AET.
3).Creating the field in Database structure using AET: We will use this option incase of there is no attribute in database relevant to your requirement then we will go for AET enhancement.
Hope this might give you little clarification..
Best Regards,
Dharmakasi.

How to set value to Model Node of cardinality 0..N

hi
I am looking for a way to set value to a model node of cardinality 0..N
i imported a WSDL into my applicaion , which has the following Node Structure.
Context
--- ModelNode_Request
      ---ModelNode2_Input
      ---ModleNode3_Roles [ cardinality 0..n singleton 1..1]
           ****Model_Attribute RoleID     <<<<<<<<<<<<
           ****Model_Attribute SysID      <<<<<<<<<<<<
---ModelNode_Response
i tried with the below code but effort went in vain.
i tried following ways to set the value but , i get Nullpointer expection error.
     wdContext.nodeRequest__SubmitRequest().nodeRequestDetails().nodeRoles().
          currentRolesElement().setRoleId("BASIC");
     wdContext.nodeRequest__SubmitRequest().nodeRequestDetails().nodeRoles().
          currentRolesElement().setSysId("R3_220");
i aslo looked into the forum https://www.sdn.sap.com/irj/scn/thread?messageID=2035342 but couldnt find any solid solution.
It would be great if some one can throw some snippets on the same.
Thanks
Edited by: RR on Dec 22, 2008 5:48 PM

Hi RR,
As far as i know u can set model nodes and values nodes are different. whats shown in the link is for values node. u should do differently for model node..
    Since this is a model node...u first need to create an object of the node type. then create an arraylist for that and then add values..
try this..
// Create an object for structures in the node to be used
Yweb_Po_Items objPOItems = null; // where Yweb_Po_Items is the structure of the node...
// Create an abstractlist for structures in the RFC node to be used, if u are planning to give single or multiple rows (in node/table) as input to the RFC
AbstractList POObjAbsList = new Yweb_Po_Items.Yweb_Po_Items_List();
objPOItems = new Yweb_Po_Items();
//    /set first set of values
objPOItems.setColumn1(u201Cabcu201D); // here hard codede for example
objPOItems.setColumn2(u201Cabcfghu201D);
// add the object to the abstract list
POObjAbsList.add(objPOItems);
//    /set second set of values
objPOItems.setColumn1(u201Cnewabcu201D);
objPOItems.setColumn2(u201Cnewabcfghu201D);
// add the object to the abstract list again
POObjAbsList.add(objPOItems); // now u got 2 records
// now set the abstractlist to the node in the RFC
objGoodsReceiptPO.setPo_Items_In(POObjAbsList);
Hope this information is useful...
Thanks
Md. Yusuf

Handle model nodes in a generic way

Hello,
Is there any way to manage model nodes and model attributes in somewhat generic way?
I am trying to build a generic component which can handle generic model objects execution. For example, using a generic method executeModelObject(IWDNode node) who initilialize a model node, populates it and execute it, but without using specifical custom classes generated by WebDynpro Framework. I think, that the code must be specifical to a particualr model node.
Any help?

David,
You can switch off 'TypedAccessRequired' property for any node at design time and then these nodes can be accessed with generic API - you need to know the name of node and element index though.
See [this presentation|http://www.google.com/url?sa=t&source=web&ct=res&cd=7&url=http%3A%2F%2Fwww.bus.ucf.edu%2Frhightower%2Fism4154%2FNotes%2FWD%2FContext%2520Programming.ppt&ei=L1tNSa-BPJiU8wT47uiZDw&usg=AFQjCNGlcTAwGMrxidkcothQOl-U6Kf6rw&sig2=3M03WTUxex4EBWJCeCfIIA] (Slides 6 and 7 in particular).
Hope this helps.
Vishwas.

Access current node in XPathFunction implementation

Hello,
When implementing an XPathFunction, is there a way to access current node?
For example,
"//*[local-name()='test123']"
in the above example, the built-in function, local-name, take current node as its argument.
However, from the API of XPathFunction:
public Object evaluate(List args) throws XPathFunctionException
It is not apparent how to access the current node.
I've tried:
"//*[myFunction()=1]"
the input arg length is zero.
Looking forward to any suggestions!
Thanks!

Thanks for the reply.
Allow me to further clarify my problem with the following example:
//*[local-name()='foo']/*[local-name()='bar']As shown in the above example, in the second call to the "local-name" function, the implementation
of the function should unavoidably require the reference of currently navigated xml node (a "foo" node in
the above example).
However, it does not seem obvious how to achieve the same functionality with XPathFunction interface.
So, what is the proper strategy if we want to implement our customized local-name-like functions?
Thanks!
Looking forward to suggestions.

Accessing model node with cardianlity 1 to 1 throwing error

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