Interface Controller Issue

Hi,
Hope you can help me on this one. We're trying to use an interface controller to use an external Web Dynpro app in our current Web Dynpro project. Whenever we try to do some context mapping in our Wed Dynpro project, it seems that our Web Dynpro project (during build time) fails to identify context of our component controller (it gives an <insert context node name / context objects here> cannot be resolved errors).
Did anyone experience this error or would anyone know how to resolve this?
Thanks!
Angelo

Hi Angelo,
Please have a look at below document might helps for your issue In[Inter Application Communication and Navigation (Design Time) in WebDynpro|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/a0ae5f90-1679-2c10-4183-8c64cf932088?quicklink=index&overridelayout=true]
Suppose there are two DC1 and DC2.
DC1 having context node XYZ/attrubute available in DC1 component Controller and interface controller and mapped it properly.
- then build and deploy DC1.
- Now sync sources and sync used DC for DC2
- then click on component name of the DC2 and bind interface controller to component controller and drag n drop context node XYZ to component controller.
- once done then try to re-build and use the contect node XYZ
Hope it will helps
Regards
Arun

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Message Edited by MagicPinball on 09-15-2009 09:00 AM
This question was solved.
View Solution.

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Hi Guys,
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Regards
Ravikumar

Hi Ravi,
          Check This
If one Web Dynpro component (parent component) needs access to another Web
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If the component has no views, there is no need to have Windows. In this
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Regards
Sarath

Interface Controller.............

Hi,
Q A.
1. I have Two components in one application.
2. I am using comp2 in comp1 under Used Components.
3. Comp2 has service method Display_Data() which i am calling from Comp 1 onAction of some Button.
4. In Comp2 Interface Controller to display Second Component view i am using
wdComponentAPI.getWindowManager().createModalWindow(wdComponentAPI.getComponentInfo().findInWindows("Display_Window")).setWindowPosition(4,5);
wdComponentAPI.getWindowManager().createModalWindow(wdComponentAPI.getComponentInfo().findInWindows("Display_Window")).show();
I am getting this exception after Run......
#1.5#001320E59E5700660000033300000954000427111FAE5B3B#1168854405962#com.sap.tc.webdynpro.clientserver.cal.
ClientManager#sap.com/tcwddispwda#com.sap.tc.webdynpro.clientserver.cal.ClientManager.handleThrowable#anon2
#0####501ebaa0a47d11dbcccb001320e59e57#ID\#(J2EE4809100)ID2063658050DB00682137272770519926End.4ea38c50a47
d11dba965001320e59e57##0#0#Error#1#/System/UserInterface#Java###
Exception(com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Duplicate instance exception:
The interface view Display_WindowInterfaceView in component Display_Component is already in use.) during processing a Web Dynpro Application.
[EXCEPTION]
#1#com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Duplicate instance exception:
The interface view Display_WindowInterfaceView in component Display_Component is already in use.
 at com.sap.tc.webdynpro.progmodel.controller.Component.addUsageOfInterfaceView(Component.java:177) at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.<init>(WebDynproWindow.java:79)
 at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.<init>(WebDynproWindow.java:93)
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Smita

Hi ,
Have you walk thru the Excel application then it wold be the simple.
First create the comp2 and add theserveice what u said and create the comp1 and create ur button in your View.
In Comp2 crete the a method like in component controller exportToExcel2003() and implemet your code for displaying the popup also .
that would be like this.
public void exportToExcel2003( com.sap.tc.webdynpro.progmodel.api.IWDNode dataNode, java.util.LinkedHashMap columnInfos )
this.openExcelLinkPopup();
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 excelLinkWindow =wdComponentAPI.getWindowManager().createModalWindow(wdComponentAPI.getComponentInfo().findInWindows("ExcelLinkPopup"));
 excelLinkWindow.setWindowPosition(WDWindowPos.CENTER);
 excelLinkWindow.open();
//begin
// private member variable for storing instance of an opened popup window.
private IWDWindow excelLinkWindow;
//@@end
And you mentioned this name in interface controller
and configure this mehod as in comp1 Create on Demand
And you can utilize in the Ur button of comp1 first View
register this to ur view ExcelExportComp Interface Controller
In Button on action u add the code like this.
wdThis.wdGetExcelExportCompInterface().exportToExcel2003()
This might helps you .
Or gothru applciation that will useful or not getting post your issues
Thanks,
Lohi.

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1       SANDBOX1        SB1     SAP     JCO     VIRSAXSR3_01_MODEL      VIRSAXSR3_01_METADATA   JAVA            0       0       rdgspd2s                                N
2       SB3     SANDBOX3        SAP     JCO     VIRSAXSR3_03_MODEL      VIRSAXSR3_03_METADATA   JAVA            0       0       rdgspd2s                                N
3       SANDBOX2        SB2     SAP     JCO     VIRSAXSR3_02_MODEL      VIRSAXSR3_02_METADATA   JAVA            0       0       rdgspd2s                                N
4       SANDBOX Sandbox environments    LSYS    SANDBOX SANDBOX                         0       1
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http://www.windowsservercatalog.com/default.aspx
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This posting is provided "AS IS" with no warranties, and confers no rights.

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Unfortunately the hardware drivers are the sole responsibility of the hardware manufacturer. If the device is defective then there is nothing you can do in Windows to make it work. You will have to have some hardware diagnostics run on your system
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Hi All,
I've installed NW CE 7.1 and am trying to trigger an event created in the Interface controller. I observed that the methods and the events declared in the interface controller are not accessible in the view level. Has the WD design time concepts undergone a change?. In short, I'm not able to add the Interface controller as a required controller in any of the views that are present inside the same component.
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Please help.
Many Thanks,
Neeraj

Hi,
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Using Interface controller in OCA application

Hi,
My requirement is to pass information and screen control between two components in two different DCs.
My parent DC Component has to pass information to my child DC Component and also call the view assembly of the child DC.
I am using CE7.1 SP07 PAT003.
In my child DC I have created a component Interface Definition say ChildInterface. In the context of interface controller of ChildInterface I have added a string attribute. ChildInterface also has a view container.
Now in my Child component I add ChildInterface as my Implemented Interface. I map the window of the child component to the ChildInterface. To the view container I add the default view of the component.
Now I have created a public part and added the ChildInterface as an entity.
I add a dependency in my Parent Component to this child DC's public part.
At design time I can access my ChildInterface's context from my parent component. However, while adding a link from parent default view to ChildInterfaceView, it gives me an error. however on reload it suppress the error but doesnt open the java editors.
While trying to deploy the applications it gives me a deployment failure message.
Following is the trace-
<r id="1240744927041" t="16:52:07" d="2009-04-26" s="E" c="000" u="" g="" m="Missing app.xml in component C:\Program Files\SAP\IDE\CE\eclipse\plugins\com.sap.tc.mobile.dt.oca.rt\MI\bin\..\inbox\demo.sap.comparentimplementation\demo.sap.comparentimplementation.wdl">
<f n="LocationName" v=" (com.sap.tc.mobile.cfs.deploy.oca.OCADeployer:OCADeployer)"/>
<f n="ThreadName" v="main"/>
</r>
<r id="1240744927042" t="16:52:07" d="2009-04-26" s="E" c="000" u="" g="" m="Deployment of Mobile Component parent(1.0) failed --> java.io.IOException: Missing app.xml in component C:\Program Files\SAP\IDE\CE\eclipse\plugins\com.sap.tc.mobile.dt.oca.rt\MI\bin\..\inbox\demo.sap.comparentimplementation\demo.sap.comparentimplementation.wdl
 at com.sap.tc.mobile.cfs.deploy.oca.OCADeployer.deploy(OCADeployer.java:81)
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 at com.sap.tc.mobile.cfs.deploy.DeploymentManager.processInbox(DeploymentManager.java:197)
 at com.sap.tc.mobile.cfs.init.FrameworkInitializer.init(FrameworkInitializer.java:192)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at com.sap.tc.mobile.cfs.startup.pda.Startup.main(Unknown Source)
">
<f n="ThreadName" v="main"/>
</r>
<r id="1240744927695" t="16:52:07" d="2009-04-26" s="E" c="000" u="" g="" m="Resourcebundle sap.comtcmobilewdlitecontainer could not be found. Trying to use the default bundle.">
<f n="LocationName" v=" (com.sap.tc.mobile.wdlite.renderer.exception.OCAExceptionLocalizeHelper:)"/>
<f n="ThreadName" v="main"/>
</r>
<r id="1240744927696" t="16:52:07" d="2009-04-26" s="E" c="000" u="" g="" m="Internal Error. Please check the log file. --> java.lang.NoSuchMethodException: com.sap.tc.mobile.wdlite.framework.Start.setUpSystemMenu()
 at java.lang.Class.getMethod(Class.java:1581)
 at com.sap.tc.mobile.wdlite.progmodel.core.Application.resetSystemMenu(Application.java:260)
 at com.sap.tc.mobile.wdlite.progmodel.core.Application.enter(Application.java:242)
 at com.sap.tc.mobile.wdlite.progmodel.core.Application.setCurrent(Application.java:119)
 at com.sap.tc.mobile.wdlite.progmodel.core.Application.launch(Application.java:143)
 at com.sap.tc.mobile.wdlite.progmodel.core.Application.launch(Application.java:175)
 at com.sap.tc.mobile.wdlite.progmodel.core.WDLite.launchApplication(WDLite.java:334)
 at com.sap.tc.mobile.wdlite.framework.Start.runOnContext(Start.java:580)
 at com.sap.tc.mobile.wdlite.framework.Start.startApplication(Start.java:604)
 at com.sap.tc.mobile.wdlite.framework.Start.startContainer(Start.java:641)
 at com.sap.tc.mobile.cfs.framework.spi.FrameworkManager.startContainer(FrameworkManager.java:259)
 at com.sap.tc.mobile.cfs.init.FrameworkInitializer.init(FrameworkInitializer.java:230)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
 at java.lang.reflect.Method.invoke(Method.java:585)
 at com.sap.tc.mobile.cfs.startup.pda.Startup.main(Unknown Source)
">
<f n="ThreadName" v="main"/>
</r>
<r id="1240744927697" t="16:52:07" d="2009-04-26" s="E" c="000" u="" g="" m="Internal Error. Please check the log file.">
<f n="LocationName" v=" (com.sap.tc.mobile.wdlite.renderer.exception.OCAExceptionHandler:)"/>
<f n="ThreadName" v="main"/>
Please help.
Regards,
Nisha

please do attach the trace files..
Meanwhile , just check the way you have implemented the interface and the interface defintion of achild node are correct.
Once the implementations are correct,there should not be problem in deployment.
Let us know if you need more info on interface definton creation ...
Regards,
Lakshmi
Edited by: Lakshmi Reddi on May 28, 2009 6:03 AM

Map context node web dynpro to context DATA of interface controller ALV

Hi Experts,
I have started creating simple ALV by following the example in the below mentioned link.
https://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/3439404a-0801-0010-dda5-8c14514d690d
I have completed 95% development but stuck with last bit of
Set data to ALV for display (via reverse context mapping).
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Could you please shed me light on this.
Your time and help much appreciated.
Best Regards
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Hi Chandra,
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Regards
Arjun

In PP Interface related issues the role of functional consultant

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