GP - WD Java: Cannot read callable object description from component

Hi,
i use Guided Procedures and therefore i will generate a WebDynproJ Callable Object inside the GP.
When i try to intergate it into Design-Time i get follwoing error after i picked the WebDynpro Component:
Cannot read callable object description from component: type com.sap.caf.gp.quotcreate.model.bapi_quotation_createfromdata2.types.Vbeln_Va could not be loaded: com.sap.dictionary.runtime.DdException: TypeBroker failed to access SLD: Error while obtaining JCO connection.
Well because i could import the Model into the WD Component in NWDS with the given JCo i have no clue why this error is now popping up.
Does someone have some experience with this phenomenon?!
I also wanted to check the JCo's in Content Admin but even though i am an Admin (i am sure of this) i have no rights to enter this part. Also the SLD is properly configured!
br

Hi Fritz,
how did you resolve the problem? thanks a lot!
Nicola

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Web Dynpro Callable Object :"Cannot read callable object description "

Hi All,
I'm getting the following error:
"Cannot read callable object description from component"
and also "Cannot read callable object description from component" in two different Web Dynpros.
The code in the Web Dynpros is similar:
try
         IWDTextAccessor textAccessor = wdComponentAPI.getTextAccessor();
         WebDynproResourceAccessor resourceAccessor = new WebDynproResourceAccessor(textAccessor);
         //ITechnicalDescription techDesc = TechnicalDescriptionFactory.newTechnicalDescription("FRESH_PARAMS","Fresh_Parameters To Be Called",resourceAccessor,locale);
          ITechnicalDescription techDesc = TechnicalDescriptionFactory.newTechnicalDescription("FRESH_PARAMS","Fresh",resourceAccessor,locale);
         //Pre-Existing Structure for Input
         IStructureInfo input = techDesc.getInputStructureInfo();
         IAttributeInfo firstName = input.addAttribute("firstName",IAttributeInfo.BASE_STRING);
          IAttributeInfo lastName = input.addAttribute("lastName",IAttributeInfo.BASE_STRING);
          IAttributeInfo phoneNum = input.addAttribute("phoneNum",IAttributeInfo.BASE_STRING);
          IAttributeInfo Place = input.addAttribute("Place",IAttributeInfo.BASE_STRING);
          IAttributeInfo Email = input.addAttribute("Email",IAttributeInfo.BASE_STRING);
          IAttributeInfo Company = input.addAttribute("Company",IAttributeInfo.BASE_STRING);
          //Setting multiplicity
          firstName.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          lastName.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          phoneNum.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          Place.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          Email.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          Company.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          //Pre-Existing Structure for Output
          IStructureInfo output = techDesc.getOutputStructureInfo();
          IStructureInfo userStruct1 = output.addStructure("userStruct1");
          userStruct1.addAttribute("firstName",IAttributeInfo.BASE_STRING);
          userStruct1.addAttribute("lastName",IAttributeInfo.BASE_STRING);
          IStructureInfo userStruct2 = output.addStructure("userStruct2");
          userStruct2.addAttribute("phoneNum",IAttributeInfo.BASE_STRING);
          userStruct2.addAttribute("Place",IAttributeInfo.BASE_STRING);
          userStruct2.addAttribute("Email",IAttributeInfo.BASE_STRING);
          userStruct2.addAttribute("Company",IAttributeInfo.BASE_STRING);
          return techDesc;
    catch (InvocationException ex)
         ex.printStackTrace();
         return null;
Can someone tell me where I'm going wrong.
Thanks
Srikant

Hi Zornista Yankulova
I'm getting this error:
" Cannot read callable object description from component: Failed to create delegate for custom controller com.infosys.creator.wdpco.COGetDocTypeInterface. (Hint: Is the corresponding DC deployed correctly? Does the DC contain the component?)"
Where the places i can go wrong??
Please let me know.
My code is like this?
public com.sap.caf.eu.gp.co.api.ITechnicalDescription getDescription( java.util.Locale locale )
    //@@begin getDescription()
    try
         IWDTextAccessor textAccessor = wdComponentAPI.getTextAccessor();
         WebDynproResourceAccessor resourceAccessor = new WebDynproResourceAccessor(textAccessor);
         //ITechnicalDescription techDesc = TechnicalDescriptionFactory.newTechnicalDescription("FRESH_PARAMS","Fresh_Parameters To Be Called",resourceAccessor,locale);
          ITechnicalDescription techDesc = TechnicalDescriptionFactory.newTechnicalDescription("FRESH_PARAMS","Fresh",resourceAccessor,locale);
         //Pre-Existing Structure for Input
         IStructureInfo input = techDesc.getInputStructureInfo();
         IAttributeInfo firstName = input.addAttribute("firstName",IAttributeInfo.BASE_STRING);
          IAttributeInfo lastName = input.addAttribute("lastName",IAttributeInfo.BASE_STRING);
          IAttributeInfo phoneNum = input.addAttribute("phoneNum",IAttributeInfo.BASE_STRING);
          IAttributeInfo Place = input.addAttribute("Place",IAttributeInfo.BASE_STRING);
          IAttributeInfo Email = input.addAttribute("Email",IAttributeInfo.BASE_STRING);
          IAttributeInfo Company = input.addAttribute("Company",IAttributeInfo.BASE_STRING);
          //Setting multiplicity
          firstName.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          lastName.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          phoneNum.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          Place.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          Email.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          Company.setMultiplicity(IAttributeInfo.MULITIPLICITY_1_1);
          //Pre-Existing Structure for Output
          IStructureInfo output = techDesc.getOutputStructureInfo();
          IStructureInfo userStruct1 = output.addStructure("userStruct1");
          userStruct1.addAttribute("firstName",IAttributeInfo.BASE_STRING);
          userStruct1.addAttribute("lastName",IAttributeInfo.BASE_STRING);
          IStructureInfo userStruct2 = output.addStructure("userStruct2");
          userStruct2.addAttribute("phoneNum",IAttributeInfo.BASE_STRING);
          userStruct2.addAttribute("Place",IAttributeInfo.BASE_STRING);
          userStruct2.addAttribute("Email",IAttributeInfo.BASE_STRING);
          userStruct2.addAttribute("Company",IAttributeInfo.BASE_STRING);
          return techDesc;
    catch (InvocationException ex)
         ex.printStackTrace();
         return null;
    //@@end
//@@begin javadoc:execute()
/** Declared method. */
//@@end
public void execute( com.sap.caf.eu.gp.co.api.IExecutionContext executionContext )
    //@@begin execute()
    try
          IWDTextAccessor textAccessor = wdComponentAPI.getTextAccessor();
          WebDynproResourceAccessor resourceAccessor = new WebDynproResourceAccessor(textAccessor);
          this.executionContext = executionContext;
          //Input
          IStructure input = executionContext.getInputStructure();
          String firstName = (String)input.getAttribute("firstName");
          String lastName = (String)input.getAttribute("lastName");
          String phoneNum = (String)input.getAttribute("phoneNum");
          String Email= (String)input.getAttribute("Email");
          String Place = (String)input.getAttribute("Place");
          String Company = (String)input.getAttribute("Company");
          wdContext.nodeInput().currentInputElement().setFirstName(firstName);
          wdContext.nodeInput().currentInputElement().setLastName(lastName);
          wdContext.nodeInput().currentInputElement().setPhoneNum(phoneNum);
          wdContext.nodeInput().currentInputElement().setEmail(Email);
          wdContext.nodeInput().currentInputElement().setPlace(Place);
          wdContext.nodeInput().currentInputElement().setCompany(Company);
          //Output
          IStructure output = executionContext.getOutputStructure();
          String f = wdContext.nodeInput().currentInputElement().getFirstName();
          String l = wdContext.nodeInput().currentInputElement().getLastName();
          String pn = wdContext.nodeInput().currentInputElement().getPhoneNum();
          String e = wdContext.nodeInput().currentInputElement().getEmail();
          String p = wdContext.nodeInput().currentInputElement().getPlace();
          String c = wdContext.nodeInput().currentInputElement().getCompany();
          output.setAttributeValue("firstName",f);
          output.setAttributeValue("lastName",l);
          output.setAttributeValue("phoneNum",pn);
          output.setAttributeValue("Email",e);
          output.setAttributeValue("Place",p);
          output.setAttributeValue("Company",c);
    catch(Exception ex)
         ex.printStackTrace();
    //@@end
//@@begin javadoc:complete()
/** Declared method. */
//@@end
public void complete( )
    //@@begin complete()
    try
          IWDTextAccessor textAccessor = wdComponentAPI.getTextAccessor();
                    WebDynproResourceAccessor resourceAccessor = new WebDynproResourceAccessor(textAccessor);
          IStructure output = executionContext.getOutputStructure();
          IStructure user1 = output.addStructure("userStruct1");
          IStructure user2 = output.addStructure("userStruct2");
          String f = wdContext.nodeInput().currentInputElement().getFirstName();
                    String l = wdContext.nodeInput().currentInputElement().getLastName();
                    String pn = wdContext.nodeInput().currentInputElement().getPhoneNum();
                    String e = wdContext.nodeInput().currentInputElement().getEmail();
                    String p = wdContext.nodeInput().currentInputElement().getPlace();
                    String c = wdContext.nodeInput().currentInputElement().getCompany();
          user1.setAttributeValue("firstName",f);
          user1.setAttributeValue("lastName",l);
          user2.setAttributeValue("phoneNum",pn);
          user2.setAttributeValue("Email",e);
          user2.setAttributeValue("Place",p);
          user2.setAttributeValue("Company",c);
          executionContext.addResultState("Success");
          executionContext.processingComplete();
    catch(InvocationException e)
         e.printStackTrace();
    catch(EngineException ex)
         ex.printStackTrace();
    //@@end
   * The following code section can be used for any Java code that is
   * not to be visible to other controllers/views or that contains constructs
   * currently not supported directly by Web Dynpro (such as inner classes or
   * member variables etc.). </p>
   * Note: The content of this section is in no way managed/controlled
   * by the Web Dynpro Designtime or the Web Dynpro Runtime.
//@@begin others
private IExecutionContext executionContext;
//@@end
Thanks
Srikant

Cannot load callable object container: null

My application is webdynprojava application with GP process.
One of my scenaio was to create a popup window with ok button after completed the action.
First I tried from code where i was written to completd the action
but it did not work because the popcode i was writing before the complete method but it always talking after
completeso results i was getting error .
Then for the same action i created one callable object for display.
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Hi Fritz,
how did you resolve the problem? thanks a lot!
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GP - WD Java: Cannot read callable object description from component

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