Missing triangle at context icon in Web Dynpro Application

Hi,
do anybody might know how I can get this triangle (see [Video|http://www.sdn.sap.com/irj/scn/elearn?rid=/library/uuid/6065bee4-a317-2c10-4c8c-cfa1c3eac185&overridelayout=true] at minute 06:05) at the icon of the context in webdynpro.
This problem occurs under the topic of [How-to Integrate Visual Composer UIs within a CE7.11 BPM Process|http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/2011e628-b317-2c10-9fa7-952155e10705].
This triangle is very important in creating BPM processes, because when you allocate this dynpro to a human acitivity the attributes without triangle are NOT recognized and, as result, can NOT be mapped in process composer!!!
I appreciate any comments!
Regards

Time will tell. That's, in the meantime, is my slogan for SAP products - every product.
It is always funny to see that sometime most problems will get solved by itself - so right here.
I am wondering that nobody could help me in solving this problem because the solution is so easy.
The triangle indicates, that the context attributes at Component Controller inherit the context attributes from the Interface Controller!!! That's it.
This also apply for the events. Events which are defined in the Interface Controller and used at the Component Contoller (Otherwise error appears) are marked with a triangle!
Regards

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Is there any programmatical approach to get portal user context in my web dynpro. I not sure whether I can use the following codes in web dynpro?
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Hi ,
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try
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Hello Abhimanyu,
Sorry forgot to mention earlier... that I have already tried this method..
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public static String getSAPIconURL(String iconValue) {
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When you use icons as listed on http://www.sapdesignguild.org/resources/icons_sap/index.htm you have to use the following:
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Hi experts,
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Hi,
Get your BASIS person to give you authorization to Tcode SICF and also authorization to create and activate services in Tcode SICF.
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Edited by: ajay matam on Sep 9, 2009 12:04 PM

How to Debug a BAPI from a Web Dynpro application

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Hi Anthony,
The ABAP runtime environment contains various tools that you can use for analysis purposes, such as for debugging source code. All source code written for Web Dynpro applications in ABAP can normally be tested using the debugger.
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When you start the application, another session opens automatically for the debugger. If you have not yet saved any personal settings with regard to the layout of the debugger, the Editor tool will now appear on the left, with the Display Variables tool on the right.
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Using EJBs in Web Dynpro Applications

I have recently started to develop Web applications using the Web Dynpro framework. Coming from a pure J2EE world, I must admit that Web Dynpro has a few innovative features that I find interesting for user interface development. The use of component & view contexts, for example, is not unlike the ActionForms that one may find in a Struts application, but pushed a bit further. No complaints here.
What I do have some problems with is the whole CommandBean paradigm that is put forth by SAP (refer to the document <a href="https://www.sdn.sap.comhttp://www.sdn.sap.comhttp://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/webdynpro/using%20ejbs%20in%20web%20dynpro%20applications.pdf">Using EJBs in Web Dynpro Applications</a>).
I do understand the usefulness of defining a model that will be used to generate and eventually bind to Context data structures. That's fine. What I do object to is the use of a so-called CommandBean to play that role. Again, coming from a J2EE world, I am familiar with the BusinessDelegate pattern - which would typically be used by a client application to invoke business logic on the server side. I would propose that a better, cleaner way of integrating EJBs with the Web Dynpro framework would be to use a BusinessDelegate for invoking business logic, and importing a separate and distinct ModelBean (instead of a CommandBean) to be used for defining and binding to Context data.
I have built one Web Dynpro application thus far. Instead of using a CommandBean, I created a ModelBean that extends my business object DTO (Data Transfer Object) (which is quite appropriate for that role, given that it implements all the get & set methods that are required for the business data that I need to model). My Web Dynpro application also makes use of an independant BusinessDelegate that is packaged with my EJB DC - this is a standard best practice on J2EE projects. I have been asked by the people working with me to modify this architecture to bring it more in line with the SAP way of doing things. I am open-minded and willing to learn and accept new ways of thinking and doing things. However, I fail to understand the usefulness of merging structure and behaviour by resorting to CommandBeans:
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CommandBean.execute_doSomething() calls BusinessDelegate.doSomething()
Not a heck of an "abstraction" layer... I would in fact argue that it is worse than useless. If some major change occurs in the business logic that requires changing the doSomething() operation, we expect of course to modify the BusinessDelegate. The Web Dynpro client will also presumably need to be modified - that's to be expected, and unavoidable. But then, we'll also need to go about and change the CommandBean's execute_doSomething() method - again, extra work for no apparent benefit. Adding and removing business methods has the same implication. All this for an layer that simply adds the prefix execute_ in front of all business method calls... Is this "abstraction layer" worth the cost of creating and maintaining it ??
- Unnecessarily complicates error handling. I have been told that for technical reasons, it is recommended that all exceptions thrown by the CommandBean be of type WDException or WDRuntimException. But what if the client application needs to react differently to different failure scenarios ? When I create a business object, I might wish to provide the user with an error messages if connection is lost to the backend, and with a different error message if an object already exists in the database with the same attributes. In order to do that, I will have to catch the WDException, extract the cause, and continue processing from there... possible, yes, but clearly less standard and more labor intensive than the classical try/catch mechanism.
To say nothing about the fact that SAP's own API documentation clearly states that applications using Web Dynpro can reference and catch WDExceptions, but THEY MUST NOT THROW OR EXTEND IT !
- Produces unnecessary DCs. Page 6 of the aforementioned document presents an architectural view of a Web Dynpro project that uses a CommandBean. Why an extra DC for the CommandBean ?? I created my ModelBean class right inside the Web Dynpro project (in the Package view). That, to me, is where this class should reside, because it is created for no other reason that to be used by this particular Web Dynpro application. What is the benefit of placing it in its own independant DC ?
- Not a typical application of the Command pattern. The well-documented command pattern (Design Patterns - Gang of Four) has been devised mainly to enable encapsulation of request as objects, thereby making it possible to:
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- decouple execution of a command from its invoker
- support undo operations
- support logging changes so that they can be reapplied in case of system crash making it possible to assemble commands into composite commands (macros), thereby structuring a system around high-level operations built on primitive operations.
None of this applies to the way the SAP CommandBeans are being used. Not that much of an issue to people new to J2EE and/or OO development... but quite confusing for those already familiar with the classic Command pattern.
At this point, I fail to understand the advantage of merging structure (model) and behaviour (execute methods) through the use of a unique CommandBean object. Am I missing something ?

Hi Romeo,
You would be disappointed, this reply ain't anywhere nearby to what you are talking about...
I wanted to mail you, but you have not mentioned your email in your profile.
I am really impressed by your flair for writing. It would be far better had you written a blog on this topic. Believe me, it would really be better. There is a much wider audience waiting out there to read your views rather than on the forums. This is what I believe. To top it, you would be rewarded for writing something like this from SDN. On the blogs too, people can comment and all, difference being there you would be rewarded by SDN, here people who reply to you would be rewarded by you. Doesn't make much a difference.
Anyways the ball is still in your court
As far as I am concerned, it has still not been much time since I have started working on Web Dynpro. So can't really comment on the issue...
Bye
Ankur

Integrating Help files in Web Dynpro Application

The requirement is : To give context specific help for each fields..
Description:The requirement is to provide context specific help..for each field that would appear on dynpro screen..
Now what that means is.. for each field on the screen...there will be a "?" icon next to it..when the user clicks on that "?" icon...a small pop-up type of information. box should come up...displaying the text corresponding to that field..this u might of seen on some of the web sites...or microsoft applications..
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that will send me down the right path.

Hi Candace, thanks for your time!
Nothing is "clickable".... as in, nothing will is hyperlinked to each individual file....
In my settings for items in this region, I have chosen mime type image, Image or Display Name Link, and when updated as attributes....
All that appears for each item/file is Image or Display Name and item updated info, though neither of which is clickable, or hyperlinked.....
Arrrrrghhhh..........

Example "Designing Component-Based Web Dynpro Applications" in NWDS 7.1

hi,
importing Designing Component-Based Web Dynpro Applications.zip into NWDS 7.1, I get ~ 200 errors.
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Component 'CustomersUIComp': Used component/component interface is missing: ComponentInterfaceImplementation com.sap.cd355.comp.adv.modelcomp.ModelCompInterface Hint: Check availability of public part archive     LocalDevelopmentcd355compadvui_final~sap.com/src/packages/com/sap/cd355/comp/adv/ui/customers     CustomersUIComp.wdcomponent     ModelComponent     1240309796017     1800
TextView 'city_editor.text': Context attribute 'CustomersView.Customers.Address.city' does not have a type and cannot be bound to a UI element. Hint: Remove the binding or bind a context element matching the property's type.     LocalDevelopmentcd355compadvui_final~sap.com/src/packages/com/sap/cd355/comp/adv/ui/customers     CustomersView.wdview     text     1240309796032     1821
ViewUsage 'com.sap.cd355.comp.adv.ui.customers.CustomersUICompInterfaceViewCustomersUIComponentUsage1': Embedded View/InterfaceView is missing. InterfaceView com.sap.cd355.comp.adv.ui.customers.CustomersUICompInterfaceView Hint: Repair Window     LocalDevelopmentcd355compadvmaster_final~sap.com/src/packages/com/sap/cd355/comp/adv/master     MasterComp.wdwindow     Unknown     1240309796503     1823
hermann

Seems like your example requires some other DCs as well, which don't appear to be part of the zip you mentioned.

Error - Creating a Web Dynpro Application Accessing ABAP Functions

Dear All,
we are trying to implement a web dynpro application with accessing ABAP functions.
Previous tasks:
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- equipped the JCO connections with the web dynpro content manager (ping and test = OK)
Its the standard tutorial out of the SDN called Creating a Web Dynpro Application Accessing ABAP Functions.
Some hints:
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System.err] [Invoked from com.sap.s2x.tools.GUID.getnodeaddress(GUID.java:585)]
[System.err] java.net.UnknownHostException: FRASAPP562: FRASAPP562
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[System.err] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[System.err] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
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[System.err] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
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[System.err] at org.apache.tools.ant.Target.execute(Target.java:341)
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[System.err] at com.sap.tc.buildplugin.techdev.ant.util.AntRunner.run(AntRunner.java:112)
[System.err] at com.sap.tc.buildplugin.DefaultAntBuildAction.execute(DefaultAntBuildAction.java:61)
[System.err] at com.sap.tc.buildplugin.DefaultPlugin.handleBuildStepSequence(DefaultPlugin.java:213)
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[System.err] at com.sap.tc.buildplugin.DefaultPluginV3Delegate$BuildRequestHandler.handle(DefaultPluginV3Delegate.java:66)
[System.err] at com.sap.tc.buildplugin.DefaultPluginV3Delegate.requestV3(DefaultPluginV3Delegate.java:48)
[System.err] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[System.err] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[System.err] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[System.err] at java.lang.reflect.Method.invoke(Method.java:324)
[System.err] at com.sap.tc.buildtool.v2.impl.PluginHandler2.maybeInvoke(PluginHandler2.java:350)
[System.err] at com.sap.tc.buildtool.v2.impl.PluginHandler2.request(PluginHandler2.java:102)
[System.err] at com.sap.tc.buildtool.v2.impl.PluginHandler2.build(PluginHandler2.java:76)
[System.err] at com.sap.tc.buildtool.PluginHandler2Wrapper.execute(PluginHandler2Wrapper.java:58)
[System.err] at com.sap.tc.devconf.impl.DCProxy.make(DCProxy.java:1723)
[System.err] at com.sap.tc.devconf.impl.DCProxy.make(DCProxy.java:1495)
[System.err] at com.sap.tc.buildcontroller.CBSBuildController.build(CBSBuildController.java:727)
[System.err] at com.sap.tc.buildcontroller.CBSBuildController.execCommand(CBSBuildController.java:503)
[System.err] at com.sap.tc.buildcontroller.CBSBuildController.evalCmdLine(CBSBuildController.java:442)
[System.err] at com.sap.tc.buildcontroller.CBSBuildController.run(CBSBuildController.java:314)
[System.err] at com.sap.tc.buildcontroller.CBSBuildController.exec(CBSBuildController.java:252)
[System.err] at com.sap.tc.buildcontroller.CBSBuildController.mainLoop(CBSBuildController.java:207)
- Im able to start the application out of the Web Dynpro content manager with run => only the user interface is displayed without any functionality
- The normal start over the NWDS fails => error text
com.sap.tc.webdynpro.services.sal.core.DispatcherException: The requested deployable object 'local/J08_Flugdat_Daventdcflight~xxx.com' and application 'FlightListApp' are not deployed on the server. Please check the used URL for typos.
There two different URLs in use.
Start via NWDS:
http://frasapp562:50000/webdynpro/dispatcher/J08_Flugdat_Daventdcflight~xxx.com/FlightListApp
Start via web dynpro content manager:
http://frasapp562:50000/webdynpro/dispatcher/xxx.com/aventdc~flight/FlightListApp
For test purposes, we started the BAPI (BAPI_Flight_Getlist) on the ABAP system directly. It works.
Any ideas about the system behaviours (different URLs and missing functionality)?
Thanks a lot in advanced!
Best regards
Christoph

The Error has been solved The implementation of a method was missing....
Thx
Christoph

Error while accesing ABAP web dynpro application

Hi Experts,
We are getting warning symbol on web page status bar, when we are accessing the ABAP web dynpro application
only first page of application is getting loaded and when we click on page it is showing error on status bar and we can perform any thing.
once we double click on warning icon,
below details are coming:
Line: 1491
Char: 3
Error: Object Expected
Code: 0
URL: url of the ABAP web dynpro application
This scenario is occuring for many ABAP WD application for a client.
Please guide how to solve this issue?
Thanks!
Piyush

Hi
First try a very simple application with nothing in it just one text saying Hello World
Run it and see what happens.
Also check if your url uses FQDN name. something like https:
company.name.co:50000\.......
If you do not use the FQDN it will always show a script error on the bottom and some functions will not work e.g
dropdowns.
regards
Yuval.

Source code for "Creating an Extended Web Dynpro Application"?

Hello!
I'm a rookie in the field of SAP Netweaver and I'm justing getting started with some tutorials. My problems with "Creating an Extended Web Dynpro Application" are to massive to be posted on this forum in this stage. What I want to have some help with is to find the source code for that tutorial so I can get som guidence from there.
Following text is cut out of this page:
http://help.sap.com/saphelp_nw70/helpdata/EN/5d/f42fef2eec724597a03b6bcc670c2c/frameset.htm
Creating an Extended Web Dynpro Application
You can download the Web Dynpro project for the current tutorial from the Software Developer Network SDN (http://sdn.sap.com -> Web Application Server -> Web Dynpro -> Sample Applications and Tutorials) in two versions: one skeleton version you can use for exercises and one final version (solution) for an immediate build, deployment and run on the Java engine of the SAP Web Application Server.
How hard I try I can't find the specific source code on sdn.sap.com
Does anyone have a clue where it is?
Thanks!
Best regards
/Johan Månsson Lindströ

Hi!
I did what you said but I seem to miss the IDE folder. This is what it looks in my Explorer
C: > Program Files > SAP > IDE > CE > eclipse > (no folder called "examples")
I also did a search in this eclipse folder for "examples" but I did'nt find the example I'm looking for
I am running a newer version of NWDS:
SAP NetWeaver Developer Studio
SAP NetWeaver 7.1 Composition Environment SP03 PAT0000
Maybe that's why things don't look the same?

Problem with starting the Web Dynpro Application

Hello,
I have a problem with my web dynpro application, which is in our SAP Portal. We have three different systems (development, test, production). In production always the follewing error message occurs:
The URL https://zsil2401.servers.wacker.corp:9004/sap/bc/webdynpro/sap/ZPLM_EN_FORM_300MM/ was not called due to an error.
Note
The following error text was processed in the system P1A : is not a valid attribute type.
The error occurred on the application server zsil2401_P1A_04 and in the work process 0 .
The termination type was: RABAX_STATE
The ABAP call stack was:
Method: GETATTRIBUTE_RTTI of program CL_WDR_CONTEXT_NODE_INFO======CP
Method: INIT_ATTRIBUTES of program CL_WDR_CONTEXT_NODE_INFO======CP
Method: CREATE_FROM_STRUCT of program CL_WDR_CONTEXT_NODE_INFO======CP
Method: IFWDR_RG_CTRL_HANDLE~INIT_CONTEXT of program SAPLWDR_RG_GENERATED_SRC_API
Method: IFWDR_INTERNAL_API~INIT_CONTEXT of program SAPLWDR_RG_PROXY_FACTORY
Method: CONSTRUCTOR of program /1BCWDY/35DSOWFU6YQV6I81U8VG==CP
Method: IF_WDR_CLASSLOADER~GET_COMPONENT_CONTROLLER of program /1BCWDY/35DSOWFU6YQV6I81U8VG==CP
Method: CONSTRUCTOR of program CL_WDR_DELEGATING_COMPONENT===CP
Method: CONSTRUCTOR of program CL_WDR_CLIENT_COMPONENT=======CP
Method: CONSTRUCTOR of program CL_WDR_CLIENT_APPLICATION=====CP
Some User get this message also in test an development. What could be the reason?
Note: Nothing has changed in coding or context.....this error occurs without any changements
Thanks for your help
Best Regards
Martin

Hi,
May be you can put an external breakpoint in the method "_get_attribute_rtti"(of class CL_WDR_CONTEXT_NODE_INFO).
From that you can find out which attribute is causing the dump , and try to solve the issue . May be some data dictionary object is not transported to production.(Assuming that you have permission to put breakpoints in production system..:))
Aditya.

The Web Dynpro application 'UWL' has expired

Hi ALL,
We are using Enterprise portal 7.0. and backend SRM server
When the user login into portal it will take him to the UWL page
in that the user click for any "Approve shopping cart" the error message showing
" The web dynpro application *'UWL' has expired. restart the application. choose 'refresh' in the iview tray or use the*
*browser 'refresh' button to restart the iview"*
user not getting the error message every time. error coming occasionally
we suggest the user to clear the cookies and restart the browser and relogin.
but some times it works some times not
Can any one know the exact problem (any parameters has to be change or any other solution)?
Regards,
Abdul Razzaq
SAP NW.BASIS Consultant

Dear Abdul ,
Hope you are doing good.
We have seen similar cases of WD Session Expired error message when the jsessionid cookie issued by the server with the initial requests was not returned from the client with subsequent requets to the server. The only way to ascertain whether this is the case in your system will be by checking the HTTP watch trace (note 1558903 - How To Trace a Portal Scenario Using HttpWatch).
As the jsessionid cookie is used for session management, when it is missing from the request headers the correct session could not be retrieved and as result new session will be created for that user. Set the parameter JSESSIONID.CookieDomain to "NONE" as mentioned in the sap note: 791765 and see if the issue persists. This configuration should be accessible in
Config Tool -> expand the tree "cluster-data" -> "Global Server Configuration" -> "services" -> "servlet_jsp" -> Go to "Global
Properties". Do make the changes, save the customization and then restart the complete SAP server (not just the JAVA server nodes).
Kindly go through the note completely.
Also make sure that the SystemCookiesDataProtection and SystemCookieHTTPProtection is set in the HTTP Provider Service on
the server nodes.
Do make the changes,save the customization and then restart the complete SAP server.
Thank you and have a nice day :).
Kind Regards,
Hemanth
SAP AGS

Missing triangle at context icon in Web Dynpro Application

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