Implementing a Web Service

HI All,
I have a requirement in which I need to create BP and BP Relation Ships in CRM from a legacy system.
This scenario needs to be implemented via a web Service.
This will be my first task on the Web Service. I want to know what should be the approach for this, major steps etc.
Please share your expertise.
Dave

HI Robert,
I have created my FM Finally and created a web service. Its all working fine. If i go to SOAMANAGER i am able to test my web service via Web Service Navigator and it is working.
Now, when i open the Service URL in a new browser, Nothing is getting displayed. "Internet Explorer cannot display the webpage "
I think i need to publish this service some how. In CRM how i can do this?
do you have any idea?
Dave

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Implement the web-service API on an external service desk

Hi,
I want to implement the web-service API on an external service desk
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I am working with the IMG and got to the point where I define a logical
port. At this point I need the web-service to be implemented on the
external system.
I have web-service API documentation and also read note 962383 - but I
did not find any specific instructions how to implement the web-service.
Can you assist me with documentation for the web-service implementation
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or if someone can share a step-by-step - it would be great.
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Shelly

Hello Shelly,
Please use the following link to Read a blog Service Desk Implementation Guide Part II
Service Desk Implementation Guide Part II
This blog describes the following.
1) Integrate New data in the Service Transaction
2) Implement new action: send mail to creator on message modification.
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Hope it helps.
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Satish.

Implementing Multiple Web Service operations

Currently using JCAPS 5.1.3.2. Supposedly there is a way to implement a web service with multiple operations without using bpel. I haven't been able to figure out how to do this except by creating multiple WSDLs, each having one operation which invokes one jcd. Is there a way to do this with one WSDL?
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Sharon

Sharon,
when you import a WSDL, you have to export the XSD nodes to an OTD in order to use them in a WebService Collabale JCD. With this JCD you create your own operation.
Normally you have a Request and Reply element in your WSDL.
I think you can define more of these "operations" in your WSDL which you can export to XSD nodes and then use in separate JCDs (= operation).
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Regards,
Madere

Implementing differents web services in the same composite

hi everybody,
what are the bests practises to implement differents web services in the same composite:
- creating one WSDL with differents portTypes and expose one web service for each portype
- creating differents WSDL for each web services
Thanks,

Hi
I would prefer different WebServices for each set of Operations. Please note that you can have multiple operations with different input and output xsd parametes. So its like One WebService -> One Port -> Multiple Operations. Only draw back is, you have to deploy all these webservices as multiple WAR files. Or one big EAR that has all these WAR Files.
I tried once One WebService -> 2 Ports -> Each Port with its own set of operations. I ran into problem when I tried to generate client for this webservice. The JAXB generated classes was odd and this did not work.
There may be some other option also. Hopefully someone can share their thoughts.
Thanks
Ravi Jegga

Implementation of Web Services

hi there,
could u tell me how to implement a web service in Adobe.
i want to return a value from the Web Service back to the Adobe Dynamic PDF via an ASP.Net Page.
Thank you for your time & awaiting a reply!!

ok ... just answering my own question ;)
that's what I found on sun's website:
the Java Web Services Developer Pack will no longer be developed as a discrete release vehicle for the Web services and XML technologies that the Java WSDP shares with Project GlassFish.
The current release of Java Web Services Developer Pack, Version 2.0, contains the new JAX-WS 2.0 EA, JAXB 2.0 EA, and SAAJ 1.3 EA implementations, the "integrated stack" for Web services. These components are now available as FCS-quality releases in Project GlassFish.
as far as I know ... correct me if I'm wrong ... Sun App Server 9 is based on Proj Glassfish.

Java implementation of web service concept

I am so confused. What exactly is the Java implementation of web service concept? SOAP, J2EE, JSP+Servlets+beans or what?

For an excellent description of webservices in Java read the following article
http://www.theserverside.com/resources/article.jsp?l=WebServices-Dev-Guide
It should clear most of your doubts.
Web services means a client server program which exhanges data in XML over HTTP.
Soap is one way of implementing web services. A java soap implementation is freely available at
http://xml.apache.org/soap/index.html
Also, you can read about ebXML (which is another model for making web services).
http://www.xml.org/feature_articles/2000_1107_miller.shtml
http://java.sun.com/features/2001/09/ebxmlrev.html
hope this helps.
regards,
Abhishek.

What is the most up to date implementation of web services in Java?

I'm completely new to web services and just got confused. I installed Sun App Server 9 Update 1 Patch 1 and successfully deployed some simple web services with it. Later I found sth that is called Web Services Developer Pack 2.0 but it can't use Sun App Server 9 as a container ... and requires the older version (8.1 as far as I can remember). Does it mean that JWSDP 2.0 is out of date ... and Sun App Serv 9 has bult-in web services implementation?
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ok ... just answering my own question ;)
that's what I found on sun's website:
the Java Web Services Developer Pack will no longer be developed as a discrete release vehicle for the Web services and XML technologies that the Java WSDP shares with Project GlassFish.
The current release of Java Web Services Developer Pack, Version 2.0, contains the new JAX-WS 2.0 EA, JAXB 2.0 EA, and SAAJ 1.3 EA implementations, the "integrated stack" for Web services. These components are now available as FCS-quality releases in Project GlassFish.
as far as I know ... correct me if I'm wrong ... Sun App Server 9 is based on Proj Glassfish.

Error while implementing a web service in web dynpro application

HI All,
I am trying to use a webservice in a web dynpro application.
Web service description:- This is a very simple application which takes two String inputs and when submitted displays the string in the concatenated form.
Web dynpro:- I used this web service in the web dynpro as an adaptive web service model.
The Layout design consists of two input fields which are mapped to the request fields
ex : - Request_Add.Add.S1 and Request_Add.Add.S2
A text area to display the response:- Request_Add.Response.AddResponse.Response
And a button which invokes the execute method
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Exception on execution of web service with WSDL URL 'http://<Host>:<Port>/EjbWebservice/Config1?wsdl' with operation 'add' in interface 'EjbWebserviceVi_Document'
Kindly reply.
Thanks
Neha

Hi,
Yes I have tested the web service in Navigator . The WSDL is also properly generated.
I have not publish the web service in UDDI but as per my understanding this is not necessary. please correct me if I am wrong.
Thanks
Neha

General queries related to implementing the web service

Hi all,
I am new to web services, so I would like to get some of the queries solved which I am facing as of now.
- If in a function of web service, there are three parameters defined, in which one is input parameter while remaining others are output parameters, then from the client invoking that web service has to provide only the input parameter as an argument or all the three arguments should be provided?
Please let me know.
Thanks

I really can't say about the input / output parameters. My guess is that you can't really have ByRef output variables, because the web method call is marshalled into XML and you only get a reply in XML based on the return type of the web method. What I'm trying to say is: only use the method's return value to receive output. Create complex Objects that can be mapped to XML to do that.
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As far as I know there are two ways to parse the WSDL.
1) If you know the location of the WSDL during development you can use it as an input to tools like wsimport in order to create a Service Endpoint Interface.
2) If you only know the WSDL location during runtime, you have to parse the document either by DOM/SAX etc either by using libraries such as wsdl4j
http://sourceforge.net/projects/wsdl4j
I hope I've helped.

Howto implement a Web Service Adapter?

Hi all,
Is it possible to create a Web Service Adapter, that allows external apps to pass data into CEP by calling the WebService method in that Adapater?
The intention is to have an external J2EE application to send events to CEP for further processing.
Any pointers are deeply appreciated.
thank you
Yee Thian

Hi all,
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I'm trying to implement a web service client using JAX-RPC specification and the client is generated by clientgen utility. We are using weblogic8.1(sp5).
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I have searched the web service documentation and didn't found any mentioning on this. Can someone shred some light on this?
Thanks.
Ren
null

Hi,
I had a problem too for setting the timeout of a webservice client. but i didn't find any thing on this.
But there is a work around for this see if it suits you but for this you have to use Apache AXIS webservice api to generate the client in that Api you have the Stub.timeOut() function to over come this problem
Cheers !!
Vivek:-)

Implementing Web Service in Web DynPro

Hi Experts,
I am trying to implement a web service say 'Currency Exchange Rate' found in the following link,
http://www.flash-db.com/services/?ID=3&sType=Financial
WSDL URL provided there is http://www.xmethods.net/sd/2001/CurrencyExchangeService.wsdl (available web service)
I create the <b>Adaptive Web Services Model -> UDDI or URL -> No Logical Destinations - use WSDL URL metadata retrieval and web service execution -></b> when I give the WSDL URL <b>http://www.xmethods.net/sd/2001/CurrencyExchangeService.wsdl</b> I get an error saying Error in loading the WSDL file.
Do I need to add any Plugins. If yes please do give the links to obtain the PlugIn.
Regards,
Boopathi M

hi boopati,
I tried thi wsdl using normal webservice model its working fine,
try with normal webdervice model rather than adaptive webservice model
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/b2bc0932-0d01-0010-6d8e-cff1b2f22bc7
Regards,
Naga

Implementing Web Services in Lodestar

Dear all,
I'm trying to implement Web services using the Lodestar suite.
In particular, what I am trying to do is to implement a Web service that executes a Rate Schedule procedure.
The idea is to receive an XML message in input, perform some logic within the Rate Schedule, and then produce an XML in output.
Currently, I am able to register the Web service into the Lodestar environment and let clients to invoke it.
Upon the receive of a message, the proper Rate Schedule is executed and an output XML message is produced.
Unfortunately, what I am not able to do is to pass the content of the input message of the Web service to the Rate Schedule.
Do you know how to solve this issue?
Thanks in advance
Enrico

Sorry for such a late reply. There were few architectural changes coz of which web service implementation was taken outside OAE app. So, I was unable to get the debug output.
Still, I would be interested in knowing the possible root cause of the issue and a possible solution.
Thanks
Shruti

Web Service Implementation Heavily Based on The Singleton Pattern

Dear all
I have recently joined a project that is 2/3 through development of a medium sized application providing synchronous and asynchronous implementations for a number of Use Cases exposed as Web Services. The design is one that I have not come across before and am keen to understand.
Web Service calls enter the application through a singleton, which in other respects is a POJO. This class manages a number of instance variable references to other classes responsible for implementing each Web Service method, including data access using Hibernate. Since the top level singleton class is, well, a singleton, I understand this to mean that all of the other classes maintained as instance variables will themselves only ever have one object instantiated (assuming of course that no other thread of execution instantiates them except our singleton WS entry point). To my way of thinking this turns the whole of the Web Service implementation into a kind of singleton application. This strikes me as a procedural programming idiom that happens to be implemented using Java, since Objects with state are not being used. I have not yet asked the question "why?" of my new colleagues but I would like to ask you what the consequences of this design are likely to be. Particularly considering that this application will be expected to handle concurrent servicing of Web Service requests - and so be thread-safe. Can it be thread safe? Are there likely performance implications? Forgive my ignorance is what I describe known as a Singleton Web Service?
Regards
David

Web Service calls enter the application through a
singleton, which in other respects is a POJO. I'm confused about this sentence. Is the application somehow separate from the web service? Is the application acting as a service to this web service? How is the application being hosted? Does it run in a container as well?
This
class manages a number of instance variable
references to other classes responsible for
implementing each Web Service method, including data
access using Hibernate. If all the references are stateless, preferably interfaced-based, you aren't likely to have thread issues.
Since the top level
singleton class is, well, a singleton, I understand
this to mean that all of the other classes maintained
as instance variables will themselves only ever have
one object instantiated (assuming of course that no
other thread of execution instantiates them except
our singleton WS entry point). To my way of thinking
this turns the whole of the Web Service
implementation into a kind of singleton application.You keep using web service and application. Are we just talking about a web service implementation here?
This strikes me as a procedural programming idiom
that happens to be implemented using Java, since
Objects with state are not being used. You are correct, sir. If services are stateless, and they should be, then they aren't exactly rich objects with state and behavior. It's very procedural, indeed.
I have not
yet asked the question "why?" of my new colleagues
but I would like to ask you what the consequences of
this design are likely to be. Particularly
considering that this application will be expected
to handle concurrent servicing of Web Service
requests - and so be thread-safe. Can it be thread
safe? If the web service is indeed stateless, then it should be thread-safe.
Are there likely performance implications?Maybe. Best to measure if those arise to see if the web service is the cause.
Forgive my ignorance is what I describe known as a
Singleton Web Service?I don't know if it's been given a pattern name. If it's a Singleton, then that's true. If it's a service, that applies. If it's deployed on the web, I'd say the label fits.
%

Error while deploying Web Service EAR to weblogic 10.3

Hello All,
I am getting the following errors when I "Activate changes" on the console after deploying the EAR file.
An error occurred during activation of changes, please see the log for details.
Error weblogic.application.ModuleException:
Error port component:"StockQuotePortImpl" - wsdl port:{http://sun.com/stockquote.wsdl}StockQuotePortImplPort is not found in wsdl.
The stack trace in the Workshop has the following:
Caused by: weblogic.wsee.ws.WsException: port component:"StockQuotePortImpl" - wsdl port:{http://sun.com/stockquote.wsdl}StockQuotePortImplPort is not found in wsdl.
I don't understand the problem. Is it something to do with the contextPath of the WS. If so, I have the <WLHttpTransport> element as a child of <jws> element and that has teh contextPath, port seviceURI etc.
The WS builds fine and WAR/EAR created fine but I get this exception when I deploy.
Any clues as to what is going wrong will be very helpful..
Thanks much.

Nevermind, I figured it out.
I had to change the name of my JWS class (the one that implements the web service methods) and then it worked fine.
Thanks to all who responded.

Implementing a Web Service

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