Knowledge on ES workspace and Service Registry

Hi All,
I am a webdynpro for java developer.
Recently I installed CE 7 1 EHP1. where I got ESR as well.
Kindly, provide me some information on ESR, and what is Service repository, how I can use them in NWDS CE 7 1 EHP1.
Regards,
Devender V

Hi,
When using services, we distinguish between the service provider and the service consumer.In the simplest case, we can assume that the service provideru2014the person who provides the servicesu2014knows the service requestor and informs the latter where services can be found. However, this contradicts the idea of a global service platform. What makes the use of Web Services attractive is the idea that applications can be built from services that are available in a central registry. This service can be provided with the Services Registry.
The Services Registry is a registry for Web services. Located centrally within an SOA landscape, it contains entries for all services and service definitions in that landscape, with references to the servicesu2019 relevant WSDL metadata and to the locations of the callable service endpoints. The registered services are classified using semantic-rich classification systems to enable browsing of services by classification.
The ES Workplace in the SAP Developer Network (SDN) provides a central source of information for getting to know Enterprise Services. It has a publicly available Services Registry.
Browse the enterprise services that are offered in the ES Workplace of the SAP Developer Network (at sdn.sap.com --> Enterprise SOA --> Explore Enterprise Services). By reading the detailed documentation of the enterprise services you can decide which services are useful in your applications.
You can use business objects from a SAP backend system, or from Visual Composer, for your Java Web Dynpro application. From the Enterprise Services Repository (ESR) in an SAP system, you retrieve the business object nodes and compound service interfaces. You import the Enterprise Services Model. (similar to the way you use Adaptive RFC or webservices models).
The detailed explaination is available in CE Library on help.sap.com.
Here are links on services registry & ESR ...related to CE 7.1.1 (ehp1):
http://help.sap.com/saphelp_nwce711/helpdata/EN/8d/aebdfd45264936877b3d531743df78/frameset.htm
http://help.sap.com/saphelp_nwce711/helpdata/EN/47/d2ab0eb6f33c84e10000000a42189c/frameset.htm
Hope this clarifies.
Regards,
Anagha
Edited by: Anagha Jawalekar on Mar 27, 2009 4:07 PM

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Since WCF service publication is not yet supported by ES Explorer for .NET, will someone know me how to do that in SAP NetWeaver CE 7.1.
I did the following:
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Rima,
I only have publish button on my CE page. I an using SAP NetWeaver    CE 7.1 SR5. It does not have a "Next" button on its web page. However, I could successfully do the classification of this service.
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Hi Mayank,
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Please tell me what all authorization we need to publish a service in SAP PI SR.
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i doing CE 7.2 also facing that problem, i did followed the tutorial intro from SAP
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Hi,
Refer the below links i think it will be helpful.
Configuring a central Services Registry:
http://help.sap.com/saphelp_nwce711/helpdata/en/47/d391d7b8fc3c83e10000000a42189c/frameset.htm
You can also use the Wizard based configuration: http://help.sap.com/saphelp_nwce711/helpdata/en/f7/6182bd68434595ba5105a0a346efcc/frameset.htm
https://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/00985388-6748-2c10-0d83-f17c3e768a8b&overridelayout=true
Regards,
Sudha S.

Services Registry in PI 7.1 - What is this and where is it used?

Hi,
Can anyone tell me what is Services Registry in PI 7.1 ? What featuers are available in it and where is it used or how its helpful?
I dont have access to it in my system, so am curious to know the contents of it!!
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Cheers,
S

Hi,
What is Service Registry?
Definition: Service Registry is a registry for Webservices that is located centrally within an SOA landscape. In simple words u201Cwhere are our services implemented?u201D can be identified by using Service Registry.
PI 7.1 contains a UDDI v.3 compliant Service Registry contains information about services provided in that landscape with references to the WSDL metadata relevant for those services and to the locations of the callable service endpoints.
How the Service Registry used in PI?
1.     As a Webservice provider we can publish Webservice.
2.     As a Webservice consumer we can search for and find Webservices for consumption.
3.     We can test our Webservices.
4.     Manage third party Webservices and classify them to provide them for consumption in our system landscape.
5.     Providing Deployment information (i.e End point information).
Enterprise Services Repository (ESR):
To support strategic service oriented approach SAP provides a new Enterprise Service Repository. ESR is a central repository of information that contains all the services. ESR is a container, stores all the underlying Meta data of application objects like service interfaces and descriptions. The global data types, interfaces and business processes maintained in Enterprise service repository which can be reuse where needed. The first implementation of ESR and its associated editors come in SAP Netweaver04u2019s, which has been evolved from NetWeaver Exchange Infrastructure Integration Repository. Enterprise service repository is a design time repository of service objects for ESA. You can model all service design objects for a process and can reuse the data types and service objects which are already maintained. All enterprise services are published in a central Enterprise service repository so they can be used by anybody who really needs that service includes customers and partners.
The Enterprise Service Repository is the evolution of what it was known as the Integration Repository in XI. Now the Integration Repository is called the ESR and XI is called PI. Using the Integration Repository as foundation for the ESR made a lot of sense since many of the capabilities were already there: metadata storage, defining message types, data types, operations, etc.
     ESR is just like Integration Repository for XI. Here you can design/define your Service Interfaces and Enterprise Services.
     ESR is the central repository in which Service Interfaces and Enterprise Services are modeled centrally and their metadata is stored.
     In simple words u201CWhat does the service do and what does it need?u201D can be answered from ESR.
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1.     Definition of Processes and Services
2.     Store Service Metadata
3.     Central Modeling and Design Environment.
Global Data Types
     Definition: Global Data Types are company-wide, defined data types based on international standards. They are based on the SAP methodology and are defined in a standards-based way in the ESR.
     They are based on the ISO 15000-5 and UN/CEFACT CCTS standards and act as the semantic building blocks for service interfaces.
     Global Data Types help you in standardizing service definitions across your organization and provide the key building blocks that can be reused across all your service definitions.
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     Global Data Types have been defined in the ESR and are described by XML schema.
Thanks,
Satya Kumar

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Regarding the Service Registry in SAP PI 7.1 and non SAP System ....!

Hi All ,
I need to know answers for the below Question ...hope to get some answers frm Experts ....
1) How to publish service from non-SAP systems?
2) How to use discovered service in the Service Registry for consumer/provider scenario? With some examples.
Thanks in Advace ...!
Regards ,
Aziz khan .
Edited by: Aziz khan on Sep 16, 2009 11:43 AM

Hi,
1) How to publish service from non-SAP systems?
Publish Service is nothing but making WSDL of that service available. For that you need to Publish the WSDL of the web Service to UDDI. For Non SAP system, Lik .net , Java they have there oun APIs to do so. U can search on net to get it.
For Ex. below link.
http://www.startvbdotnet.com/web/publish.aspx
2) How to use discovered service in the Service Registry for consumer/provider scenario? With some examples.
Once you discover the services, you get the WSDL of that Service. Then You can import this WSDL in IR and you it.
See the below links.
http://help.sap.com/saphelp_nw04/helpdata/en/43/ce993b45cb0a85e10000000a1553f6/frameset.htm
http://help.sap.com/saphelp_nw04/helpdata/EN/26/9e97b0f525d743882936c2d6f375c7/frameset.htm
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Hi,
I am running BPA on My Exchange 2010 VM (Server 2008 R2 VM on Hyper-V) and get the following errors:
The 'Services' string type value located in 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\v14\Setup\Services' registry key is missing or inaccessible. The Microsoft Exchange Information Store service won't start. As a result, all services that depend
on this service won't be able to start
Exchange server [Exchange Server FQDN] is a virtual machine but the additional tools are not installed. This configuration is not supported. Install Virtual Machine Additions for this guest.
Problem is that, for the first, that Key exists and the service is actually running fine. And for the second my VM tools are already installed.
Hopefully someone out there has had the same issue and can assist.
Pete

Hi Pete,
For the first error message, please try the following steps:
Make sure the Information Store service is in Starting status,
Automatic startup type and works well, as a test we can try to
restart the Infroamtion Store service and verify the service works well.
Start
Registry Editor, find the registry key “Services” under “HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\v14\Setup”, its value is “C:\Program
files\Microsoft\Exchange Server\v14”(default install location), please check your registry, make sure the key “Services” exist and value is the Exchange Server install location and the
location is accessible;
Start
Registry Editor, and locate the following registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Setup
Use the
Permission option under the Security tab to check the permission setting on this key. Make sure
System is in the list with Full Control permissions if the service account is Local System. If you are not using Local System as the service account, check the existence of the corresponding account in the list and ensure that
it has Full Control permissions. Please refer to this article:
Title: Exchange Store Does Not Start: Errors 7024, 1026, 9542, and 5000
Link:
http://support.microsoft.com/kb/285116
Start
ADSI Edit, and then browse to the following location:
Domain.com/Configuration/Services/Microsoft Exchange/Org/Administrative Groups/AdminGroup/Servers/Server Name
Right-click the
server name, and then click Properties.
Click the
Security tab, make sure this own server’s server object have
full control permission on its own server.
If not or the object is missing, please modify the permission or click
Add, locate the computer account for the Exchange Server computer, add it to the Permissions list with full control.
Click OK, and then close ADSI Edit.
Use
Active Directory Users and Computers to add the current affected
Exchange Server computer account to the Exchange Servers(previous version should be “Exchange Domain Servers”) group in the
Microsoft Exchange Security Groups( or Users) OU. Refer to this article:
http://support.microsoft.com/kb/297295.
Restart the Exchange Server computer, then rerun the ExBPA.
For the second error message, Microsoft don’t recommend to install Exchange Server on virtual machine without additional tools, so the error message occurs. We can just ignore
this message, it will not affect the Exchange servers.
Regards, Eric Zou

Importance of TREX server and services for Services registry

Hello All
Is a TREX Server and TREX services mandatory to be able to connect to the services registry??
Because I have no trex server and when i browse the services registry , no results are yielded..
Need information on the TREX and relation with the registry.
Thanks
Vijay

TREX is not mandatory to connect to Service Registry. But to Search a service in the registry, TREX is used in the backend.
Regards,
Prateek

Service Registry documentation URL and deleting published services?

Hello,
We are using SAP NetWeaver PI 7.1 SP 7. Do anyone know how you can control the published Documentation URL for published Service Interfaces in the Service Registry when you publish service interfaces directly from the ESR (from the WSDL tab on a Service Interface)?
Do anyone know if you can delete published service interfaces in the Service Registry if a service interface have been deactivated/deleted/is not used any more?
Regards,
Markus Johansson

Hi Markus,
There is anothre approach to delete services using API's.
Determine the WSDL Url of your Services Registry.
- Open SAP NetWeaver Administrator and choose SOA Management Application and Scenario Communication Single Service Administration .
- Search for ServicesRegistrySi and copy the Services Registry WSDL.
Open WS Navigator.
- In the WSDL Url field, enter the Services Registry WSDL and choose Next.
- All Services Registry API operations are displayed.
- Select operation hideServiceDefinitions and choose Next.
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Both keys are displayed on the General tab in the Services Registry.
In case SR shows you as having no logical key for the service you are interested in removing.
There is another operation, findServiceDefintions, that can be used to search a name that will return the UDDI key. Take that value and plug it into the hideServiceDefintions uddiKey value.
Regards,
Jitender

Problems with discovering services from Service Registry in VC and NWDS

Hello,
I have followed step 1 "Brokered Service implemented in own system" in blog
http://www.sdn.sap.com/irj/scn/weblogs;jsessionid=(J2EE3414900)ID1803376250DB00062216078043496017End?blog=/pub/wlg/8788
in order to publish a service from PI to the Services Registry (SR).
It works fine and I can find the service in the SR and also test it successfully.
However I can't discover the service from within Visual Composer or NWDS.
I succeed in discovering standard SAP Enterprise Services from VC and NWDS.
I'm working on CE 7.1 EHP 1 and PI 7.1 EHP 1.
Does anyone know what the problem could be?
// Best regards Hans

Hello Hans,
Sorry, may be I should have been more specific.
First, I want to verify that you're using at least Ehp1 SP2.
The information that I need is the complete system details:
Name, Host, SLD System ID, Type, ABAP Client.
In addition, please reverify that you have a valid link to the endpoint.
Only if you're using a version Ehp1 SP2 onwards, here are the seetings that you should fill:
1. Open NWA>'SOA Managment'>'Application and Scenario Communication'
2. Press on 'Single Service Administration' link
3. Press on 'Customer Proxies' tab
4. In the 'find' text box select for 'sr' and press on 'Go' button
5. Select the 'ServicesRegistrySi' (This is the proxy to the Services Registry backend)
6. Press on 'Configuration' tab
7. Select the 'ServicesRegistrySiPort' (If it's the only result it will be marked by default)
8. Press on the 'Edit' button and insert your SR URL
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9. Press on the 'Security' tab and insert the requried authentication if needed
   In this example it will be:
   username: <your user namr>
   password: <your password>
10. Save this configuration
11. Defined proxy (if needed): NWA>'SOA Managment'>'Technical Configuration'
12. Press on 'SOA Middleware Global settings and type the proxy's settings
12. Save settins
14. Now you can work with Service Registry in VC (server)
In case you're using a lower version than Ehp1 SP2, please use the following link to configure your system:
http://www.sdn.sap.com/irj/scn/index?rid=/library/uuid/e058a805-68b2-2b10-6a8b-fc570f1c37d1&overridelayout=true
BR,
Hezi.

Knowledge on ES workspace and Service Registry

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