Model Execute Exception in a WD Callable Object

Hello,
I've been having some trouble making queries to a database through a Web Dynpro Development Component (GP Interface). I imported a Web Service and the calls are being made through there. I know that the Web Service works just fine as I've tested it through the WS Navigator. The problem occurs when I create the Callable Object and try to test it. The following message shows up:
WDWSModelExecuteException: Exception on execution of web service with WSDL URL 'http://server:50000/LetterStep34WS/letter34?wsdl' with operation 'getLetterById' in interface 'LetterStep34WSVi_Document'
I've tried redeploying the project, re-importing the web service model, and changing the package name where the model is imported but nothing seems to be working. Does anyone have any ideas? It´s becoming a pressing matter.
Thanks,
Luis T.

Felipe,
Check name of component used in Component Usage or in code: com.polar.excel.WDC_ExcelExport.
Seems that you mistyped the name.
Valery Silaev
SaM Solutions
http://www.sam-solutions.net

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Error 1
Exception occured during processing of a Web Dynpro application: "com.sap.tc.webdynpro.repository.RepositoryRuntimeException: Failed to get Related Model Object for the object com.sap.caf.eu.gp.dt.comp.semanticbrowser.SemanticBrowserApp, relation Component.".
[EXCEPTION]
com.sap.tc.webdynpro.repository.RepositoryRuntimeException: Failed to get Related Model Object for the object com.sap.caf.eu.gp.dt.comp.semanticbrowser.SemanticBrowserApp, relation Component.
 at com.sap.tc.webdynpro.repository.model.DelegatorRepositoryModelClass.getRelatedModelObject(DelegatorRepositoryModelClass.java:640)
 at com.sap.tc.webdynpro.progmodel.repository.IWDApplicationInfo$Implementation.getComponentInternal(IWDApplicationInfo.java:286)
 at com.sap.tc.webdynpro.progmodel.repository.IWDApplicationInfo$Implementation.getComponent(IWDApplicationInfo.java:270)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.COConfigWDApp.addWdappsElement(COConfigWDApp.java:646)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.COConfigWDApp.readWebDynproApps(COConfigWDApp.java:631)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.COConfigWDApp.readApplications(COConfigWDApp.java:308)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.wdp.InternalCOConfigWDApp.readApplications(InternalCOConfigWDApp.java:190)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.VSelect.initCreate(VSelect.java:306)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.VSelect.onPlugFromDispatch(VSelect.java:174)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.wdp.InternalVSelect.wdInvokeEventHandler(InternalVSelect.java:168)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.navigate(ClientApplication.java:826)
 at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.navigate(ClientComponent.java:873)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doNavigation(WindowPhaseModel.java:498)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:144)
 at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:330)
 at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:299)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:711)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:665)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:232)
 at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:152)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
 at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
 at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
 at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
 at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
 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:170)
Caused by: com.sap.tc.webdynpro.repository.RepositoryRuntimeException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >: (:main:, row:1, col:491)
 at com.sap.tc.webdynpro.repository.persistence.xml.XMLConfigurationParserWriter.startParsing(XMLConfigurationParserWriter.java:178)
 at com.sap.tc.webdynpro.repository.persistence.xml.XMLPersistence.doReadVMO(XMLPersistence.java:126)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.readVMO(RepositoryPersistence.java:356)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.doFindRepositoryObject(RepositoryPersistence.java:598)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.findRepositoryObject(RepositoryPersistence.java:170)
 at com.sap.tc.webdynpro.repository.model.Repository.findRepositoryObjectInternal(Repository.java:590)
 at com.sap.tc.webdynpro.repository.model.RepositoryObjectRelation$XMLGuidWrapper.getModelObject(RepositoryObjectRelation.java:462)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.getCurrentLayerObject(RepositoryPersistence.java:702)
 at com.sap.tc.webdynpro.repository.model.Repository.getCurrentLayerObject(Repository.java:1483)
 at com.sap.tc.webdynpro.repository.model.NonSharedRelationToOne.doMergeInheritedTarget(NonSharedRelationToOne.java:85)
 at com.sap.tc.webdynpro.repository.model.NonSharedRelationToOne.mergeInheritedTargets(NonSharedRelationToOne.java:49)
 at com.sap.tc.webdynpro.repository.model.RelationToOne.getTarget(RelationToOne.java:93)
 at com.sap.tc.webdynpro.repository.model.AbstractRepositoryModelClass.getRelatedModelObject(AbstractRepositoryModelClass.java:234)
 at com.sap.tc.webdynpro.repository.model.DelegatorRepositoryModelClass.getRelatedModelObject(DelegatorRepositoryModelClass.java:636)
 ... 39 more
Caused by: com.sap.engine.lib.xml.parser.NestedSAXParserException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >: (:main:, row:1, col:491)(:main:, row=1, col=491) -> com.sap.engine.lib.xml.parser.ParserException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >:(:main:, row:1, col:491)
 at com.sap.engine.lib.xml.parser.SAXParser.parse(SAXParser.java:148)
 at com.sap.tc.webdynpro.repository.persistence.xml.XMLConfigurationParserWriter.startParsing(XMLConfigurationParserWriter.java:166)
 ... 52 more
Caused by: com.sap.engine.lib.xml.parser.ParserException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >:(:main:, row:1, col:491)
 at com.sap.engine.lib.xml.parser.XMLParser.scanAttList(XMLParser.java:1566)
 at com.sap.engine.lib.xml.parser.XMLParser.scanElement(XMLParser.java:1687)
 at com.sap.engine.lib.xml.parser.XMLParser.scanDocument(XMLParser.java:2792)
 at com.sap.engine.lib.xml.parser.XMLParser.parse0(XMLParser.java:227)
 at com.sap.engine.lib.xml.parser.AbstractXMLParser.parseAndCatchException(AbstractXMLParser.java:141)
 at com.sap.engine.lib.xml.parser.AbstractXMLParser.parse(AbstractXMLParser.java:156)
 at com.sap.engine.lib.xml.parser.AbstractXMLParser.parse(AbstractXMLParser.java:259)
 at com.sap.engine.lib.xml.parser.Parser.parseWithoutSchemaValidationProcessing(Parser.java:278)
 at com.sap.engine.lib.xml.parser.Parser.parse(Parser.java:340)
 at com.sap.engine.lib.xml.parser.SAXParser.parse(SAXParser.java:125)
 ... 53 more
error 2
Processing HTTP request to servlet [dispatcher] finished with error. The error is: com.sap.tc.webdynpro.repository.RepositoryRuntimeException: Failed to get Related Model Object for the object com.sap.caf.eu.gp.dt.comp.semanticbrowser.SemanticBrowserApp, relation Component.
 at com.sap.tc.webdynpro.repository.model.DelegatorRepositoryModelClass.getRelatedModelObject(DelegatorRepositoryModelClass.java:640)
 at com.sap.tc.webdynpro.progmodel.repository.IWDApplicationInfo$Implementation.getComponentInternal(IWDApplicationInfo.java:286)
 at com.sap.tc.webdynpro.progmodel.repository.IWDApplicationInfo$Implementation.getComponent(IWDApplicationInfo.java:270)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.COConfigWDApp.addWdappsElement(COConfigWDApp.java:646)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.COConfigWDApp.readWebDynproApps(COConfigWDApp.java:631)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.COConfigWDApp.readApplications(COConfigWDApp.java:308)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.wdp.InternalCOConfigWDApp.readApplications(InternalCOConfigWDApp.java:190)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.VSelect.initCreate(VSelect.java:306)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.VSelect.onPlugFromDispatch(VSelect.java:174)
 at com.sap.caf.eu.gp.ui.co.config.wdapp.wdp.InternalVSelect.wdInvokeEventHandler(InternalVSelect.java:168)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.navigate(ClientApplication.java:826)
 at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.navigate(ClientComponent.java:873)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doNavigation(WindowPhaseModel.java:498)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:144)
 at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:330)
 at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:143)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:299)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:711)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:665)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:232)
 at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:152)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:53)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
 at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
 at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
 at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
 at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
 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:170)
Caused by: com.sap.tc.webdynpro.repository.RepositoryRuntimeException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >: (:main:, row:1, col:491)
 at com.sap.tc.webdynpro.repository.persistence.xml.XMLConfigurationParserWriter.startParsing(XMLConfigurationParserWriter.java:178)
 at com.sap.tc.webdynpro.repository.persistence.xml.XMLPersistence.doReadVMO(XMLPersistence.java:126)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.readVMO(RepositoryPersistence.java:356)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.doFindRepositoryObject(RepositoryPersistence.java:598)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.findRepositoryObject(RepositoryPersistence.java:170)
 at com.sap.tc.webdynpro.repository.model.Repository.findRepositoryObjectInternal(Repository.java:590)
 at com.sap.tc.webdynpro.repository.model.RepositoryObjectRelation$XMLGuidWrapper.getModelObject(RepositoryObjectRelation.java:462)
 at com.sap.tc.webdynpro.repository.persistence.RepositoryPersistence.getCurrentLayerObject(RepositoryPersistence.java:702)
 at com.sap.tc.webdynpro.repository.model.Repository.getCurrentLayerObject(Repository.java:1483)
 at com.sap.tc.webdynpro.repository.model.NonSharedRelationToOne.doMergeInheritedTarget(NonSharedRelationToOne.java:85)
 at com.sap.tc.webdynpro.repository.model.NonSharedRelationToOne.mergeInheritedTargets(NonSharedRelationToOne.java:49)
 at com.sap.tc.webdynpro.repository.model.RelationToOne.getTarget(RelationToOne.java:93)
 at com.sap.tc.webdynpro.repository.model.AbstractRepositoryModelClass.getRelatedModelObject(AbstractRepositoryModelClass.java:234)
 at com.sap.tc.webdynpro.repository.model.DelegatorRepositoryModelClass.getRelatedModelObject(DelegatorRepositoryModelClass.java:636)
 ... 39 more
Caused by: com.sap.engine.lib.xml.parser.NestedSAXParserException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >: (:main:, row:1, col:491)(:main:, row=1, col=491) -> com.sap.engine.lib.xml.parser.ParserException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >:(:main:, row:1, col:491)
 at com.sap.engine.lib.xml.parser.SAXParser.parse(SAXParser.java:148)
 at com.sap.tc.webdynpro.repository.persistence.xml.XMLConfigurationParserWriter.startParsing(XMLConfigurationParserWriter.java:166)
 ... 52 more
Caused by: com.sap.engine.lib.xml.parser.ParserException: XMLParser: Bad attribute list. Expected WhiteSpace, / or >:(:main:, row:1, col:491)
 at com.sap.engine.lib.xml.parser.XMLParser.scanAttList(XMLParser.java:1566)
 at com.sap.engine.lib.xml.parser.XMLParser.scanElement(XMLParser.java:1687)
 at com.sap.engine.lib.xml.parser.XMLParser.scanDocument(XMLParser.java:2792)
 at com.sap.engine.lib.xml.parser.XMLParser.parse0(XMLParser.java:227)
 at com.sap.engine.lib.xml.parser.AbstractXMLParser.parseAndCatchException(AbstractXMLParser.java:141)
 at com.sap.engine.lib.xml.parser.AbstractXMLParser.parse(AbstractXMLParser.java:156)
 at com.sap.engine.lib.xml.parser.AbstractXMLParser.parse(AbstractXMLParser.java:259)
 at com.sap.engine.lib.xml.parser.Parser.parseWithoutSchemaValidationProcessing(Parser.java:278)
 at com.sap.engine.lib.xml.parser.Parser.parse(Parser.java:340)
 at com.sap.engine.lib.xml.parser.SAXParser.parse(SAXParser.java:125)
 ... 53 more
error 3
Processing HTTP request to servlet [dispatcher] finished with error.
The error is: com.sap.tc.webdynpro.repository.RepositoryRuntimeException: Failed to get Related Model Object for the object com.sap.caf.eu.gp.dt.comp.semanticbrowser.SemanticBrowserApp, relation Component.
Exception id: [00505691431B006F0000003E00000FE800041B45B87F7617]
thanks in advance
Kurt

About callable object-send notification

Hi expertise,
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Hi Jorgen,
This behavior is completely normal. It can seem awkward but what you described is somehow logical.
Let's say you have three actions, the second one is the email notification. When completing the first action, the second action is triggered. As it is a background callable object, it is put into the queue and wait for processing. As the refresh of the screen is faster than the processing of the callable object, the next action (the third) is not yet active/ready to be processed.
When the email is sent (i.e. the background callable object executed), a callback takes place and the next activity is triggered. Then, the 3 action is active and can be shown.
Due to technical restriction of Web Dynpro, it is not possible to refresh the screen when the action is ready to be processed. The user has to refresh it explictly.
With SP12, the processing of the queue has been improved and it's much more faster than before. The "problem" you noticed shouldn't be there anymore.
Hope this helps.
David

Error Interactive Form(.xdp) as a callable object

I am running on EP 7.0 SPS13. We are testing GP by including an Interactive Form (.xdp) as a callable object. The form is just a test form and have only two fields: Name and EmpNo.
I have testing this form using ObjectDefinition>Instantiate Form.
when form opens up in new window the below error is thrown up. Please let me know if I have to do any configuration on server side.
Execution ended in an unrecognized state
com.sap.caf.eu.gp.base.exception.EngineException: Execution ended in an unrecognized state
at com.sap.caf.eu.gp.model.co.execute.impl.CallableObjectExecutorImpl.executeBackground(CallableObjectExecutorImpl.java:242)
at com.sap.caf.eu.gp.model.co.execute.impl.CallableObjectExecutorImpl.execute(CallableObjectExecutorImpl.java:294)
at com.sap.caf.eu.gp.model.co.CallableObjectExecutor.doGet(CallableObjectExecutor.java:256)
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:401)
at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386)
at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364)
at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039)
at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265)
at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95)
at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175)
at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process
Thanks a Lot
Madhan

Hi again,
To inlcude adobe form as callable object in GP you need to
create a callable object of type Composite form.In the template of composite form you need to include the adobe form.
In the adobe form create a button.Specify the control type as Submit.Submit format as- PDF and we need to provide the url.
I am not sure of what url(might be the process url).Check it out.
Also refer to these documents.
http://help.sap.com/saphelp_nw04s/helpdata/en/1c/f967cadb004963817d7c9bfbfe421c/frameset.htm
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/0769d60a-0801-0010-cfbf-9fcb27c851e8
Hope this helps you.
Thanks and regards,
Sumangala

GP Background callable object. Error while making a Callable object

Hi,
I have implemented a Background callable object and deployed it to the server.
When I try to make a Callable object of this from the Design Time tab in GP, i get the following error msg.
*Class does not correctly implement the required interface*
The detailed error msg is as follows
Full Message Text
Unable to load the required classes. Check all the references to other modules, especially the GP API
com.sap.caf.eu.gp.base.exception.EngineException: Unable to load the required classes. Check all the references to other modules, especially the GP API
at com.sap.caf.eu.gp.model.svc.impl.EngineClassloaderImpl.isClassAvailable(EngineClassloaderImpl.java:101)
at com.sap.caf.eu.gp.ui.co.config.bkgd.COCfgSelect.OnCanLeaveScreen(COCfgSelect.java:293)
Pls help.
Tx in advance

The problem was resolved after retrying many times. Code was checked again and redeployed. Server restarted as well. GP objects deleted and steps repeated. It worked in the end.

Web Dynpro Callable Object : use of RFCs

Hi All,
I've to create a callable object using Web dynpro.
In this web dynpro to display a table data populated by calling RFC and we need to select one row of the table and sent it as output parameter.
My question is how we gonna set the getDescription Method in this case for creating the Callable Object?
How we define the execute Method in the Interface Controller.
Where I should bind the Model to Controller (Component Controller / Interface Controller)
Can someone explain how we gonna use RFC in Web dynpro while calling it as Callable Object.
Thanks
Srikant

Hi,
You need to have the SCs for local development of Web Dynpro callable object.
Refer the following documents for more details:
<a href="/people/andre.truong/blog/2006/06/26/working-with-the-apis-of-caf-guided-procedures-nwdi-or-local-development with the APIs of CAF Guided Procedures: NWDI or Local Development?</a>
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f7be53bb-0b01-0010-1c96-be3cb6799c1b">How to Get NW04s SP7 Guided Procedure APIs for Local Development</a>
<a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/e3f07a7a-0601-0010-ebbd-b9cfb445b814">Implementing a Web Dynpro Callable Object</a>
Let me know if this solves your issue.
Thanks,
Dipankar

Date type attribute in web dynpro callable object

Hi all,
I am creating a callable object with date type attribute as input parameter in a web dynpro callable object.
date type I have used is java.sql.date.
But when I am exposing that callable object in GP its giving an error:
Technical Exception:
Web dynpro Component cannot be created.
And when i am changing date type as java.util.date then I am not able to asssign that date attribute in my view layout.
Can anyone plese help me.

Hi Ritu ,
u have to convert the util date to sql date in the execute method .
do it as showm below in Execute method in the component Controller :
let the Attribute be planEndDate in the Context:
public void execute( com.sap.caf.eu.gp.co.api.IGPExecutionContext executionContext ) {
java.util.Date planEndDate = null;
planEndDate = (java.util.Date) inputStructure.getAttributeAsDate(IContextElement.PLAN_ENDDATE);
java.sql.Date sqlDate = new java.sql.Date(planEndDate.getTime());
wdContext.currentContextElement().setPlanEnddate(sqlDate);
Thanks and Regards

Model Execute Exception in a WD Callable Object

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