Error in tutotial "How to ... Build a Web Dynpro Application"

Hi,
I deployed this tutorial in my WAS 6.40 and had the configuration in the SLD and in the Jco connection.
When I tried to execute it I received the messages below:
Error stacktrace:
com.sap.tc.webdynpro.services.exceptions.WDTypeNotFoundException: type com.sap.demo.flightlist.model.types.Bapimaxrow could not be loaded: com.sap.dictionary.runtime.DdException: The logical dictionary com.sap.demo.flightlist.model.types.FlightListModel does not exist
     at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getSimpleType(DataTypeBroker.java:242)
     at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getDataType(DataTypeBroker.java:205)
     at com.sap.tc.webdynpro.progmodel.context.AttributeInfo.init(AttributeInfo.java:471)
     at com.sap.tc.webdynpro.progmodel.context.NodeInfo.initAttributes(NodeInfo.java:771)
     at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:756)
     at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:761)
     at com.sap.tc.webdynpro.progmodel.context.Context.init(Context.java:40)
     at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:199)
     at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.init(ClientComponent.java:346)
     at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:352)
     at com.sap.tc.webdynpro.clientserver.task.Task.createApplication(Task.java:217)
     at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:581)
     at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:58)
     at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:248)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116)
     at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:48)
     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:385)
     at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:263)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:339)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:317)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:810)
     at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:238)
     at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
     at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:147)
     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:94)
     at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162)
Caused by: com.sap.dictionary.runtime.DdException: The logical dictionary com.sap.demo.flightlist.model.types.FlightListModel does not exist
     at com.sap.dictionary.runtime.DdDictionaryPool.getLogicalSystemName(DdDictionaryPool.java:109)
     at com.sap.dictionary.runtime.DdDictionaryPool.getDictionary(DdDictionaryPool.java:62)
     at com.sap.dictionary.runtime.DdDictionaryPool.getDictionary(DdDictionaryPool.java:39)
     at com.sap.dictionary.runtime.DdBroker.getDataType(DdBroker.java:149)
     at com.sap.dictionary.runtime.DdBroker.getSimpleType(DdBroker.java:170)
     at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getSimpleType(DataTypeBroker.java:234)
     ... 32 more
Important: I execute the tutorial "FlightBooking" and it is working well, and I'm using the same Jco specifications.

Hi Flavio,
     It looks like your back end box does not have the type FlightListModel in it. This can happen for any of a couple of reasons, the Metadata JCO connection could be wrong (but you indicate it is just fine), the back end function module and associated types may not exist on your back end system, or the metadata cache on the J2EE engine is filled with the wrong data (or is simply missing data). If the first two are double checked and there is no problem, you might try restarting your J2EE engine which would re-load the metadata cache.
     Hope this helps,
        --Greg

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Warning when building a web dynpro application

Hi,
Am getting the following warning when trying to build a web dynpro applications( DTR perspective - FPM application).
Kind     Status     Priority     Description     Resource     In Folder     Location
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Warning               [Warning]: Versions of '_webdynpro_clientserver.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_model_dynamicrfc.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_modelimpl.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_progmodel.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_runtime_designtime_coupling_api.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_runtime_designtime_coupling.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_runtime_repository_pmr.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_runtime_repository.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Warning               [Warning]: Versions of '_webdynpro_services.jar' have different prefix.     DJI_ZPOSMGMT_DZFPManalog.com
Info               TextView DefaultTextView: UIElement does not have a label     CcposView.wdview
I am trying to build the apllication.
Does a warnning stop the web dynpro appliucation from been "build". If the applciation is built. Where can I get the .EAR file on my local machine. I want to pass the .EAR to the basis team for them to deploy.
Does warning message prevent from getting the .EAR files from been generated???
Please advise
regadrs
Sam

Hi Sam,
Have you a DC inside the JDI (Track)? - then it could be that you have an older Version from the files that you check-in into your Track - SAP_JEE.sca , SAP_BUILDT.
If you have an older version of this files in your DC you must check-in this files again from the new Patchlevel and sync the DS's of your project!
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Getting error "Access via null" when running the web dynpro application

Hi experts,
I am getting the below error while executing my web dynpro application
500 SAP Internal Server Error
ERROR: Access via 'NULL' object reference not possible. (termination: RABAX_STATE)
I am getting the error only when I am calling a method create manufacturer from my web dynpro program. If i comment this code my application works fine
CALL METHOD wd_this->mo_ch_instance->create_manufacturer
EXPORTING
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IMPORTING
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i have created a attribute mo_ch_instance of type YSRM70CL_CH_SW_MD where YSRM70CL_CH_SW_MD is the class which has the create_manufacturer method that i am using in my code.
Kindly let me know whats the issue.
Regards,
Vinod

Hi,
if   wd_this->mo_ch_instance is not initial.
CALL METHOD wd_this->mo_ch_instance->create_manufacturer
EXPORTING
gi_manufacturer = ls_manufacturer
IMPORTING
lv_message = lv_status
endif.
Check wether you have created the object for that class r not.
Regards,
Lekha.

Error when initially calling Travel Trip Form Web Dynpro application

Hello all,
we are facing a problem when calling for the first time the Travel Trip Form Web Dynpro application.
In the trace file we get the following error message:
application [webdynpro/dispatcher] Processing HTTP request to servlet [dispatcher] finished with error.
The error is: com.sap.tc.webdynpro.services.sal.core.DispatcherException: Wrong Web Dynpro URL: "../WebDynpro/Servlet/<deployableObject>/<application>/xx?..". xx is not allowed without exchange key. Retrieved URI path: /sap.com/esstratri/TripForm/~wd_key890_1246626831816/background.gif.
Exception id: [001E680CB1CE0078000002A600007B4A00046DCCEE3F358A]
This appears when a trip has been initially created and if the user wants to display a travel trip form.
However, this does not appear anymore, if you click on the travel trip form again.
Best Regards
Philipp

Hello Philipp,
We are having same problem. Please let me know solution....
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How to run mobile web dynpro application

Hi experts,
I'm using NetWeaver Developer Studio for Mobile SP03.
I create a mobile application for handhelds including 2 components:
- Mobile Application.
- Mobile UI Component (web dynpro component).
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When I deploy it on my SAP Application server to test the web dynpro UI application via a web browser, it throws out a java.lang.ClassNotFoundException: the class <package name>/Internal<Application Name>Comp.class cannot be found by WD framework when I access it. It can be deployed without error and is alive in the web dynpro content admin.
I found that the normal WD component the class Internal<Application Name>Comp is generated during the building process but it is not when developing mobile UI component.
Can anyone tell me there is any difference between the two WD component types? Does my server need to install any extra component for running mobile UI component? Or do I need to configure my NWDS for Mobile to make the application work on SAP server?
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Steven Linh Nguyen.

Hi,
Mobile webdynpro application for handheld cannot be deployed on SAP AS.
To use the Mobile webdynpro application for handhelds follow the steps:
1. Upload sda files of all DCs to the DOE server (Transaction SDOE_UPLOAD_ARCHIVE) which will be availabe at the location
<workspace.jdi>\LocalDevelopment\DCs\demo.sap.com\<DC>\_comp\gen\default\deploy
2. Install the simulator on laptop or client on PDA
3. Deploy uploaded MCDS(from step1) to the client, after the device registration.
Thanks and Regards,
Suma

How to create a web dynpro application to open the KM Files?

I want to create a webdynpro application to open the <b>KM Excel files</b>?What would i do ?Can anybody help me ?

Hi zhang,
take a look to this:
KM:
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/kmc/resource%2band%2bcollection%2bversioning%2busing%2bkm%2bapis
https://help.sap.com/javadocs/NW04S/SPS09/km/index.html
Excel:
/people/subramanian.venkateswaran2/blog/2006/10/02/enhanced-file-upload--uploading-and-processing-excel-sheets
Hope this help you.
Vito

Error While uplaoding a EXCEL file in Web dynpro - HR_KR_XSTRING_TO_STRING

Hi,
I am getting an error while uploading an excel file in web Dynpro application. i am using the HR_KR_XSTRING_TO_STRING this function. I am getting the following error message 'Unable to interpret as a number'.

First of all, are you sure you know what you are working with here. If this is standard Excel file in the Microsoft binary/propriatery format there is not function module or class in ABAP that can magically just transform this to a character string. You should search the forums as this has been discussed extensively. On that topic, please also do not post duplicate threads. I have already locked your other thread with the same basic question.
Instead of the binary/propriatery format of Excel, the file should be saved on the client as a text based format - like XML or Text Tab Delimited. You can then use several different options on the server to convert the XSTRING to STRING and process the content (becuase it was text based to begin with). You could use CL_BCS_CONVERT, the function modules in the function group SCMS_CONV, or the class CL_ABAP_CONV_IN_CE.

500Internal Server Error The Web Dynpro application PageBuilder has expired

hi all ,
i am using public url domain to access my portal through internet . i have done a reverse proxy using apache . from my server url i am able to get every page . from public url i am not able to view my webdynpro applications . its showing the following error
500 Internal Server Error
SAP J2EE Engine/7.01
The Web Dynpro application 'PageBuilder' has expired. Restart the application. Choose 'Refresh' in the iView tray or use the browser 'Refresh' button to restart the iView
Details: No details available
i got this log file in the portal
Full Message Text
Session unknown: Request with URI=/webdynpro/dispatcher/sap.com/pb/PageBuilder was sent to unknown session. Either request with wrong session parameters was sent, or session has expired before Wed Oct 20 21:47:46 IST 2010. Current request parameters={sap-ext-sid=DL7cHVE6DiKdbE9gwYkSdg5A6q8C_OKOzgxi0HoLa2iw, sap-wd-cltwndid=WID1287644121668, sap-wd-norefresh=X, sap-ep-version=7.0104.20090422102234.0000}. Is termination request=false. Request was sent from host with IP=172.31.11.95/name=172.31.11.95. Hint: see SAP note 842635 for more details on session expiration. RID=a16ac995dcdf11dfb3e70021281821ee
[EXCEPTION]
com.sap.tc.webdynpro.clientserver.session.SessionExpiredLongJumpException: Session has expired (current request: follow-up request). Please restart the application. Hint: HttpSession seems to be expired due to user inactivity or application is called with wrong URL parameter (sap-wd-norefresh=X).
at com.sap.tc.webdynpro.clientserver.session.RequestManager.findClientSession(RequestManager.java:258)
at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:146)
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: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(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:104)
at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:176)
can anybody helpme in this issue

Hello,
Please see this post:
The Web Dynpro application 'PageBuilder' has expired
I think the problem is solved in this post.
Regards.

Uncaught exception while executing web dynpro application

Hello all,
I'm getting run time error exception CX_WDR_RR_EXCEPTION not caught when running web dynpro application
The error analysis shows the custom component is locked by the user and cannot be regenerated. But I checked in SM12 for locked entries and component was not listed there.
The program terminated in the include LWDR_RUNTIME_REPOSITORYF12
Please suggest how to resolve the isse?
Regards,
anil

Hi Anil,
I'm also getting the same run time error. When I try to activate the Web Dynpro component, I'm getting error that the component is locked by the user.
Please let me know how you solved this issue.
Thanks in advance for the quick response.
Thanks & Regards,
Jay

Exception not caught while executing web dynpro application

Hello all,
I'm getting run time error exception CX_WDR_RR_EXCEPTION not caught when running web dynpro application
The error analysis shows the custom component is locked by the user and cannot be regenerated. But I checked in SM12 for locked entries and component was not listed there.
The program terminated in the include LWDR_RUNTIME_REPOSITORYF12
Please suggest how to resolve the isse?
Regards,
anil

sorry...posted in wrong forum...

Uncaught exception when executing web dynpro application

Hello all,
I'm getting run time error exception CX_WDR_RR_EXCEPTION not caught when running web dynpro application
The error analysis shows the custom component is locked by the user and cannot be regenerated. But I checked in SM12 for locked entries and component was not listed there.
The program terminated in the include LWDR_RUNTIME_REPOSITORYF12
Please suggest how to resolve the isse?
Regards,
anil

Dear Anil,
What type of WD is it ?
Do you get the error when you trigger some sort of event ?
Is it when first launch the WD ?
Can you be more specific and share with us the code where this is dumping ?
You can also check this link
[CX_WDR_RT_EXCEPTION' - How to catch it?;
Kind Regards
/Ricardo Quintas

The Web Dynpro Application 'UmeAdminApp' has expired

hi,
if i login to portal to any application i am getting session out for each second.
500   Internal Server Error
          SAP J2EE Engine/7.00
The Web Dynpro Application 'UmeAdminApp' has expired. Restart the application using the Refresh button or via the following link UmeAdminApp.
Details:
No details available
plz help to solve this.
thanks,
Harish

HI ,
Set the application time out property to a value as per requirement.
Please follow below links for more details it may be help ful.
webdynpro application has expired
http://help.sap.com/saphelp_nw04s/helpdata/en/2a/7a754297fdd142e10000000a1550b0/content.htm
If application time out is set correctly check for the disk space available in server or log file space (basis person will do this).
Please check SDN , there are many posts available on this.
Regards
Deepak

Howto replace an embedded FPM-Instance within a Web DynPro Application?

Hi,
I have to build a Web DynPro application that displays an Navigation menu on the left side. On the right side within a UIViewContainer an embedded FPM Instance should be displayed depending on which entry I pressed on the Navigation menu. (Similiar to the Cockpit)
For Test purposes I have 2 buttons in the navigation menu. One to add the fpm and one to remove the fpm.
When I start the WD Application I first hit the addfpm button. And a new FPM Application is displayed within the UIViewElementContainer. When I hit the delfpm button the FPM will disappear. When I will the addfpm button again I get
a dump[1]
I have absolutely no idea why I get this dump.
Do I have to reset the FPM application remove removing it? Or is it possible to load a new FPM configuration in the FPM without removing it first?
Here are the Methods that I use to remove/add the FPM-Instance:
method ONACTIONADDFPM .
DATA: L_VIEW_CONTROLLER_API TYPE REF TO IF_WD_VIEW_CONTROLLER.
DATA: L_COMPONENT_USAGE TYPE REF TO IF_WD_COMPONENT_USAGE.
DATA: lf_conf_key TYPE WDY_CONFIG_KEY.
L_VIEW_CONTROLLER_API = wd_this->WD_GET_API( ).
"Wenn die Komponente-Usage noch nicht vorhanden ist dann erstelle Sie:
L_COMPONENT_USAGE = wd_this->WD_CPUSE_FPM( ).
IF L_COMPONENT_USAGE->HAS_ACTIVE_COMPONENT( ) IS INITIAL.
    lf_conf_key-CONFIG_ID = '/PLMU/WDC_MAT_OIF_CFG'.
    L_COMPONENT_USAGE->CREATE_COMPONENT( EXPORTING COMPONENT_NAME = 'FPM_OIF_COMPONENT'
                                                   CONFIGURATION_ID = lf_conf_key ).
    "Komponente mit der View verknüpfen:
    L_VIEW_CONTROLLER_API->PREPARE_DYNAMIC_NAVIGATION(
      SOURCE_WINDOW_NAME = 'WINDOW'
      SOURCE_VUSAGE_NAME = 'MAIN_USAGE_0' "MAIN_USAGE1/UIVIEW_VCA_1'
      SOURCE_PLUG_NAME   = 'TO_FPM'
      TARGET_COMPONENT_NAME = 'FPM_OIF_COMPONENT'
      TARGET_COMPONENT_USAGE = 'FPM'
      TARGET_VIEW_NAME = 'FPM_WINDOW'
      TARGET_PLUG_NAME = 'DEFAULT'
      TARGET_EMBEDDING_POSITION = 'MAIN/FPMVIEW' "'MAIN_USAGE_0/UIVIEW_VCA_1'
    WD_THIS->FIRE_TO_FPM_PLG( ).
ENDIF.
endmethod.
And then remove the FPM using this button action:
method ONACTIONDELFPM .
DATA: L_VIEW_CONTROLLER_API TYPE REF TO IF_WD_VIEW_CONTROLLER.
DATA: L_COMPONENT_USAGE TYPE REF TO IF_WD_COMPONENT_USAGE.
L_VIEW_CONTROLLER_API = wd_this->WD_GET_API( ).
"Wenn die Komponente-Usage vorhanden ist dann lösche sie:
L_COMPONENT_USAGE = wd_this->WD_CPUSE_FPM( ).
DATA: lo_event TYPE REF TO cl_fpm_event.
lo_event = cl_fpm_event=>create_by_id( iv_event_id   = cl_fpm_event=>GC_EVENT_CLOSE ).
DATA: iwci_fpm TYPE REF TO IWCI_FPM_OIF_COMPONENT.
iwci_fpm = wd_this->WD_CPIFC_FPM( ).
CALL METHOD IWCI_FPM->CLOSE_DIALOG
    EXPORTING
      IO_EVENT        = lo_event
      IV_EVENT_FAILED = ABAP_FALSE
IF L_COMPONENT_USAGE->HAS_ACTIVE_COMPONENT( ) IS NOT INITIAL.
    L_COMPONENT_USAGE->DELETE_COMPONENT( ).
    "FPM Ref holen und Exit-Event schicken:
    DATA: lo_fpm TYPE REF TO IF_FPM.
    lo_fpm = cl_fpm_factory=>get_instance( ).
   CHECK NOT lo_fpm IS INITIAL.
   DATA: lf_event        TYPE FPM_EVENT_ID.
   lf_event = cl_fpm_event=>GC_EVENT_CLOSE.
   lo_fpm->RAISE_EVENT_BY_ID( lf_event ).
ENDIF.
endmethod.
The dump says:
Access via 'NULL' object reference not possible.
The ABAP call hierarchy was:
Method: /PLMU/IWCI_WDI_FRW_OIF~OVERRIDE_EVENT of program /1BCWDY/0O2TST5VUWTCOBML1BE7==CP
Method: /PLMU/IF_FRW_CALLBACK_PROXY~OVERRIDE_EVENT of program /PLMU/CL_FRW_F_CALLBACK_PROXY=CP
Method: OVERRIDE_EVENT of program /PLMU/CL_FRW_CALLBACK_PROXY===CP
Method: OVERRIDE_EVENT_OIF of program /PLMU/CL_FRW_APPL_CNTRL_ASSISTCP
Method: OVERRIDE_EVENT_OIF of program /1BCWDY/0O2TST5VUWTCNOS8226Y==CP
Method: IWCI_IF_FPM_OIF_CONF_EXIT~OVERRIDE_EVENT_OIF of program /1BCWDY/0O2TST5VUWTCNOS8226Y==CP
Method: GET_UIBBS_FOR_EVENT of program /1BCWDY/0O2TST5VUWTCNAR83UZE==CP
Method: IWCI_IF_FPM_FLOORPLAN_COMP~GET_UIBBS_FOR_EVENT of program /1BCWDY/0O2TST5VUWTCNAR83UZE==CP
Method: IF_FPM_FLOORPLAN~GET_UIBBS_FOR_EVENT of program CL_FPM_OIF_INTERNAL===========CP
Method: GET_NEXT_UIBBS of program CL_FPM========================CP
Thanks
Sebastian

Chris yes you are right, there is some special logic in the nav app,
that I can't do with NWBC.
If I would use a Portal to display the FPM within an Iframe.
What happends when I replace the FPM in the Iframe with a new
FPM/URl. Will the old FPM in the Iframe just disappear or will
the FPM shutdown and release all the acquired locks?
I already did a simliar thing where I just used URLs
to display an FPM application within an IView/IFrame.
But when I replace the URL of the IView/IFrame with a new URL/FPM,
the old FPM only just disappered but no locks where released.
So displaying the same FPM again, gives me a message that the Object is already
locked.
Thanks
Sebastian

Web Dynpro Application 'Explorer' has expires,

Hi,
In one of EP system is giviing below error while using. If I refresh page is loading fine. But very frequently we are getting this errro, can anyone help on this problem.
error message is showing as below:
500 Internal Server Error
SAP J2EE Engine/6.40
The Web Dynpro Application 'Explorer' has expired. Please restart the application either with the refresh button or click the following link Explorer.
Details: No details available
regards,
Hari,

Note 842635 - Session Management for Web Dynpro Applications
Note 1286976 - Caching of data in Web Dynpro

Error in tutotial "How to ... Build a Web Dynpro Application"

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