Webdynpro JAVA, EP Admin or SAP-HR?

Hello Experts,
Although I am not sure if this is the correct forum to ask this question but still I am hopeful that you might guide me.
I have worked on Webdynpro JAVA for around 2 years. There after i got the chance to work on SAP-HR (has been around 8 months on it). I find both of them interesting as well as challenging. I would like to know what would be the best choice at the moment among them keeping in view the future market? I also have the option to move into EP-Admin, but i am very confused as to in which of these areas should i pursue my career in?
Somebody please help!!

Again... this is always about people trying to be where "the money is" instead of following the path they are more confortable with... whats the point in getting a lot of money for something you hate.
If you feel happy doing HR then that the best place for you, beside the fact that theres good market for it.
Thats my advice.
Regards
Juan
PS: It was the wrong forum by the way.... hehehe

Similar Messages

How Does Bapi related to WebDynpro Java

Hi all,
I am Very new to WebDynpro. AM working as a java Developer.
I want to know
What is Bapi? And How does it related to WebDynpro?
Thanks & Regards,
Jyothi.

Hi,
BAPI:
Whereas BAPIs (Business API(Application Program Interface)) are used for interfacing between two systems. They are remotely enabled function module ie it can be invoked from remote programs like standalone JAVA programs, web interface etc..
Function Modules are used in SAP programs to modularze the programs. They are Global ABAP programs created by SAP for reusable purpose. They have IMPORT,EXPORT and TABLE parameters, and EXCEPTIONS to through when error occurs.
You can create them from TCode SE37.They are similar to Functions we have in C, but with more functionality.
ECC (Enterprise Control Component):
Master data will be saved in ECC System only.
ECC is Standalone and ECC is nothing but a backend system similar to Oracle
It has two versions: ECC 5.0, ECC 6.0 and Now ECC 7.0 is going to release on coming few months.
Kernel, support pack and all other tools are very much advance in ecc6.0 compare to any other version of sap. It supports NetWeaver component also like BI, XI and EP. In ECC6.0 all components are integrated in single software.
Please check this Application. This application relation Between ECC System and WDJAVA.
[Webdynpro JAVA|http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/f64e7a90-0201-0010-e0b4-ec1f849ecd4e]
Hope this helps!!
Regards
Vijay K

Connecting Non sap to webdynpro java

Hi All
My requirement is to connect a non sap (like mysql) to webdynpro java ..please can anyone provide me some document on this ..please help me
Thanks
Parameshwari

Hi,
If you are using NWDS 7.0 version, you have to create a Datasource in visual admin.
If you are using CE 7.1 version, you have to create a Datasource in NWA--Configuration Management->Infrastructure->Application Resources.
Step by step procedure how to create a Datasource in NWDS 7.0 and CE7.1 is given in this [PDF link|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/40db1ed9-b7c2-2b10-66b8-84f6954b6d2d?QuickLink=index&overridelayout=true]
MYSQL Server 2005
Driver/jar which you have to use --> sqljdbc.jar
Driver class --> com.microsoft.sqlserver.jdbc.SQLServerDriver
Connection URL --> jdbc:sqlserver://<host_name>:<port>;database=<db_name>
Hope this helps you..
Best Regards
Vijay K

How to add table in SAP Non interactive forms in webdynpro java

Hi Experts,
I have a requirement in webdynpro java.I have a print button.On clicking print button a pdf will be opened.
This pdf will have data from the webdynpro view.I want to know how to add table in the adobe pdf.The webdynpro view will have many rows of table(rows will keep changing as per the size of the data output).How to send this data to adobe.How do we bind the node to the table in the adobe.How to automatically
Please suggest.
Thanks,
Rajani
Edited by: Rajani Nandagiri on Dec 26, 2008 8:58 AM

Rajani,
Take a look at below links, it will help you.
[Handling Dynamic Length Tables in Adobe Forms|https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/e0859ad1-53aa-2a10-78ae-99e41c407669]
[Integrate tables & Images in Adobe Web Dynpro|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/user-interface-technology/wd%20java/wdjava%20archive/dynamic%20non-interactive%20pdf%20form.pdf]
[How to Handle Table Input and Output|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/user-interface-technology/wd%20java/7.0/adobe/how%20to%20handle%20table%20input%20and%20output.pdf]
[How Tou2026deal with Table input and display in Interactive Forms|https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/00c4041d-188d-2910-6ea2-b4d5155f56e0]
Chintan

DoInit() Method error - java.lang.NoSuchMethodError: com.sap.tc.webdynpro.m

Hello,
Im having trouble running a Web Dynpro Application. When running, the application is showing me the following exception,
java.lang.NoSuchMethodError: com.sap.tc.webdynpro.model.webservice.gci.WSTypedModel.<init>(Ljava/lang/String;Ljava/lang/String;Ljavax/xml/namespace/QName;Ljava/lang/String;Ljava/util/Map;Ljava/lang/String;Lcom/sap/tc/webdynpro/model/webservice/gci/IWSTypedModelInfo;Ljava/util/Map;Ljava/util/Map;)V
at pe.com.minsur.wd_po_ws.wd_po_ws_model.Wd_po_ws_Model.<init>(Wd_po_ws_Model.java:124)
at pe.com.minsur.wd_po_ws.wd_po_ws_app.comp.Wd_po_ws_Comp.wdDoInit(Wd_po_ws_Comp.java:120)
at pe.com.minsur.wd_po_ws.wd_po_ws_app.comp.wdp.InternalWd_po_ws_Comp.wdDoInit(InternalWd_po_ws_Comp.java:195)
at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.doInit(DelegatingComponent.java:160)
This is in the DoInit() method, In the line,
Wd_po_ws_Model wd_po_ws_ModelModel = new Wd_po_ws_Model();
It could be the METADATA or MODELDATA destination configuration?
Thanks
SU

Hello,
The problem is solved following these steps,
"NWDS IDE is in SP04 whereas the WebDynpro Runtime is in SP01. So yo have to upgrade your WebDynpro in WebAS to SP04.
All WebDynpro for Java patches are available on SAP Service Marketplace.Note 330793 explains how to download patches from SAP Service Marketplace. Note 1395865 explains how to find the Web Dynpro for Java related SCAs.
Update your system via JSPM.
Please refer the link to the official documentation for JSPM
http://help.sap.com/saphelp_nwpi711/helpdata/en/1f/c45b4211aac353e10000000a1550b0/frameset.htm
From WebDynpro perspective, we recommend you to apply both WD-RUNTIME.SCA and FRAMEWORK.SCA. So if any one of the archive is not mentioned in the 'SP Patch Level' tab, it is recommended to apply the same which is available in the service market place."
Regards
SU

Java.lang.NoClassDefFoundError: com/sap/tc/webdynpro/clientserver/uielib/st

Hi everybody,
I got trouble with my WebDynpro Application. When I deploy an application including a Table without being bound to any context node, the deployment works and the view is rendered properly. As soon as I bind this table to the context in order to fill the columns, I receive the Exception Message in the subject line. I tried running this application on several WEB AS Version from SP 14 to 17, however, I received the same Exception everytime. Is the framework of my NWDS broken or what is going on?
I'm grateful for every hint that could solve the issue,
thx and rgds,
Otto

Hi Armin,
here goes the stacktrace.
java.lang.NoClassDefFoundError: com/sap/tc/webdynpro/clientserver/uielib/standard/api/IWDAbstractTableColumn
 at java.lang.Class.getDeclaredConstructors0(Native Method)
 at java.lang.Class.privateGetDeclaredConstructors(Class.java:1618)
 at java.lang.Class.getConstructors(Class.java:865)
 at com.sap.tc.webdynpro.progmodel.generation.ControllerHelper.createDelegate(ControllerHelper.java:68)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.<init>(DelegatingView.java:41)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.createUninitializedView(ViewManager.java:486)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:523)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:397)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.makeVisible(ViewManager.java:619)
 at com.sap.tc.webdynpro.progmodel.view.ViewManager.performNavigation(ViewManager.java:262)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.navigate(ClientApplication.java:819)
 at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:359)
 at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:659)
 at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59)
 at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251)
 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.doPost(DispatcherServlet.java:55)
 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)
rgds,
Otto

Java.lang.ClassCastException: com.sap.tc.webdynpro.progmodel.context.Modifi

Hi All,
when i try to run a sample adobe webDynpro application i am getting this error -
1) One text filed on adobe form .
2) Mode used is generate PDF
Please look into it and through some light to resolve this .
Root Cause
The initial exception that caused the request to fail, was:
 java.lang.ClassCastException: com.sap.tc.webdynpro.progmodel.context.ModifiableSimpleType
 at com.sap.tc.webdynpro.clientserver.uielib.adobe.impl.InteractiveForm.modifyDataType(InteractiveForm.java:861)
 at com.sap.tc.webdynpro.clientserver.uielib.adobe.impl.InteractiveForm.afterHandleActionEvent(InteractiveForm.java:248)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.afterApplicationModification(ClientApplication.java:1132)
 at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.afterApplicationModification(ClientComponent.java:887)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doRespond(WindowPhaseModel.java:573)
 ... 27 more
Detailed Error Information
Detailed Exception Chain
com.sap.tc.webdynpro.clientserver.adobe.pdfdocument.base.core.PDFDocumentRuntimeException: Failed to GENERATEPDF
 at com.sap.tc.webdynpro.clientserver.uielib.adobe.impl.InteractiveForm.afterHandleActionEvent(InteractiveForm.java:396)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.afterApplicationModification(ClientApplication.java:1132)
 at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.afterApplicationModification(ClientComponent.java:887)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.doRespond(WindowPhaseModel.java:573)
 at com.sap.tc.webdynpro.clientserver.window.WindowPhaseModel.processRequest(WindowPhaseModel.java:152)
 at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.processRequest(WebDynproWindow.java:335)
 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.doGet(DispatcherServlet.java:46)
 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: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(Compiled Code))
 at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java(Compiled Code))
 at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java(Compiled Code))
 at java.security.AccessController.doPrivileged1(Native Method)
 at java.security.AccessController.doPrivileged(AccessController.java(Compiled Code))
 at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java(Compiled Code))
 at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java(Compiled Code))
Caused by: java.lang.ClassCastException: com.sap.tc.webdynpro.progmodel.context.ModifiableSimpleType
 at com.sap.tc.webdynpro.clientserver.uielib.adobe.impl.InteractiveForm.modifyDataType(InteractiveForm.java:861)
 at com.sap.tc.webdynpro.clientserver.uielib.adobe.impl.InteractiveForm.afterHandleActionEvent(InteractiveForm.java:248)
 ... 30 more
Regards,
Nanda

Hi Narasimha,
Please check the context node/attribute binding which used in webdynpro screen layouts.
Hope it will helps
Regards
Arun Jaiswal

Java.lang.NoClassDefFoundError: com/sap/tc/webdynpro/adsproxy/types/p1/RpDa

Hi All,
I have created and deployed an EJB application in CE7.1,I am using this jars "_webdynpro_pdfobject.jar",for read the xml data in pdf ,For that time i am getting following errors",
Exception in thread "main" java.lang.NoClassDefFoundError: com/sap/tc/webdynpro/adsproxy/types/p1/RpDataat com.sap.tc.webdynpro.pdfobject.api.WDPDFObjectFactory.getPDFObject(WDPDFObjectFactory.java:43)
Plz anyone suggest
Regards,
Vinoth Raja.V

Well, first of all, you should not use a Web Dynpro API in an EJB app. Web Dynpro is a UI technology, EJB implements the business logic.
Furthermore, the PDFObject API has been deprecated. For more information and guidance, please refer to its [javadoc|http://help.sap.com/javadocs/nwce/current/wdr/com/sap/tc/webdynpro/pdfobject/api/package-summary.html].
HTH!
\-- Vladimir
P.S.: Please read the [Rules|https://wiki.sdn.sap.com/wiki/display/HOME/RulesofEngagement], in particular regarding cross-posting.

Java.lang.NoSuchMethodError: com.sap.tc.webdynpro.model.webservice.gci.WSTy

Hello,
I have SAP EH1 for SAP NWCE 7.1 and NWDS with the recent upgrade pack of WD. When I run my WD application the following exception ocurr,
java.lang.NoSuchMethodError: com.sap.tc.webdynpro.model.webservice.gci.WSTypedModel.(Ljava/lang/String;Ljava/lang/String;Ljavax/xml/namespace/QName;Ljava/lang/String;Ljava/util/Map;Ljava/lang/String;Lcom/sap/tc/webdynpro/model/webservice/gci/IWSTypedModelInfo;Ljava/util/Map;Ljava/util/Map;)V
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 at pe.com.minsur.wd_test_esr.wdtestesr_app.comp.Wdtestesr_Comp.wdDoInit(Wdtestesr_Comp.java:111)
 at pe.com.minsur.wd_test_esr.wdtestesr_app.comp.wdp.InternalWdtestesr_Comp.wdDoInit(InternalWdtestesr_Comp.java:445)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.doInit(DelegatingComponent.java:160)
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My DoInit Method only have this code,
public void wdDoInit()
 Wdtestesr_Model model = new Wdtestesr_Model();
Any ideas?
Regards
MG

The problem is that the logical destinations are not well configured.

How to move files from one folder to another folder in webdynpro java for sap portal

Dear Experts,
I wan to move files from one folder to another folder in SAP portal 7.3 programmatically in webdynpro java.
My requirement is in my portal 1000 transport packages is their. Now i want to move 1 to 200 TP's into Archive folder.
Can you please help me how to do in through portal or wd java ...
Regards
Chakri

Hello,
Do you know what the difference between copying a file this way :
** Fast & simple file copy. */
public static void copy(File source, File dest) throws IOException {
FileChannel in = null, out = null;
try {
in = new FileInputStream(source).getChannel();
out = new FileOutputStream(dest).getChannel();
long size = in.size();
MappedByteBuffer buf = in.map(FileChannel.MapMode.READ_ONLY, 0, size);
out.write(buf);
} finally {
if (in != null) in.close();
if (out != null) out.close();
================SECOND WAY============
AND THIS WAY:
// Move file (src) to File/directory dest.
public static synchronized void move(File src, File dest) throws FileNotFoundException, IOException {
copy(src, dest);
src.delete();
// Copy file (src) to File/directory dest.
public static synchronized void copy(File src, File dest) throws IOException {
InputStream in = new FileInputStream(src);
OutputStream out = new FileOutputStream(dest);
// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
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in.close();
out.close();
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Thanks in advance,
JavaGirl

Opening sap transaction in uwl to webdynpro java screen

Hi Poral Gurus
I am new to uwl concept . we are in the process of the Leave apply and approval . the work items are displayed in the sbwp
which comes in uwl . when we click on the item in work list it is opening the sap transaction, but the requirement is there any way to convert the sap transaction view to the webdypro java screen . the screen should not no way look like the sap transaction but it should look like which is developed in webdynpro java using nwds
The problem here is the work item is opening the sap logon when an work item is being clicked and the screen also is not exactly what we look in sbwp. it is having a different look. the screen is becomming small where the user has to use scroll bars to navigate to particular input element,but in sbwp it is showing the full screen.
Please help on this is there any way to solve this problem.
Thanks
prasad

Hi,
Let us know whether you are using the standard Leave request application with standard workflow or customized screen.
If you are using Custom development for the approval screen, then Make sure that you have mapped your custom development screen to the workflow task in SWFVISU.
Then Re-register the UWL system in portal which is available in the below location.
System administration - system configuration - universal worklist and workflow u2013 universal worklist administration - Universal worklist systems - re-register the workflow system.
Thanks,
Nandhadevi.T

Is it possible to un Webdynpro java without SAP EP?

Hi,
I have a unique requirement.
My customer is new to SAP EP / Java Webdynpro.
He requires Webdynpro components to run without SAP EP.
In other words, he wants create an ALIAS for Webdynpro component URL which is displayed when we run the component from NWDS and publish the url in web page.
Even I am not sure whether Webdynpro will work without SAP EP?
He down't want any SAP EP features such as authentication / role assignment etc.
Kindly let me know is it possible to un Webdynpro java without SAP EP? how?
Thanks
Prabhu.M...

Hi,
yes, this should be possible. Nevertheless you need to install WebAs Java. I'll move your thread to WebDynpro Forum.
Anja

Is it possible ? : Webdynpro java without SAP EP

Hi,
I have an unique requirement.
My customer is new to SAP EP / Java Webdynpro.
He requires Webdynpro components to run without SAP EP.
In other words, he wants create an ALIAS for Webdynpro component URL which is displayed when we run the component from NWDS and to publish the url in web page.
Even I am not sure whether Webdynpro will work without SAP EP?
He don't want any SAP EP features such as authentication / role assignment etc.
Kindly let me know is it possible to run Webdynpro java without SAP EP? how?
Thanks
Prabhu.M...

Hi Prabu,
You will get answer for all your question, see through link.
http://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a00f7103-6790-2a10-ac9c-fcac7c5b18a3
Also this might be helpful,
/docs/DOC-8661#section10 [original link is broken]
Thanks,
Arun

Accessing SAP DB(Oracle/Max DB) without using RFC in webdynpro java

Dear Friends,
I'm developing an application in Adobe interactive Forms using webdynpro java. To retrive the data from R/3 generally we use RFC / BAPI's.
But i dont want to use RFC / BAPI's which is written in ABAP.
I want to write one RFC /BAPI using java to store / retreive the data from R/3. or how to access the data / store the data using JAVA from R/3.
Can any one guide me on the same.
Thanks in Advance.
Regards,
Gowripathirao.
Edited by: Gowripathirao on Nov 30, 2009 7:58 AM

don't do that ( I always wanted to write this since joining SDN )
If you want to access database tables in general, check the EJB3 tutorial in SAP Help
http://help.sap.com/saphelp_nwce10/helpdata/en/45/f72761af4020fde10000000a1553f6/frameset.htm

Passing Value from PDK Java to Webdynpro Java in SAP EP SP18

Dear Experts
Please tell me how to call a webdynpro java ivew form a PDK java application and I need to pass a value to webdynpro form my PDK application.
I am using SP18
Please help me in this issue
Regards
Noel

Noel,
From your PDK aplication you will be providing the WD URL along with the parameter.
Say in your PDK application you redirect to http://portalserver:50000/irj/local/webdynpro/sap.com/test?mypram=1
In WD you fetch this parameter using WDProtocolAdapter class.
Check below links for more information.
[Access WebDynpro URL parameters programaticaly |https://wiki.sdn.sap.com/wiki/display/WDJava/Access%20WebDynpro%20URL%20parameters%20programaticly]
Page 23 of this [document|https://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/ba641aa6-0c01-0010-57ac-c21a4ca7b542&overridelayout=true]
Chintan

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