Writing a common business services Interface - J2EE?

Hi Guys,
Tanks for the previous help. The problem here is, if possible I would
like to know some architectural approaches for following design
question:
We are basically building an enterprise application on J2EE Platform.
The database tier underlying the application is accessed by more than
one portal. Some of the portals are external to organization, but share
the data stored in the database.
What would be the best approach to address this problem? The basic idea
is to write a re-usable common business service component in J2EE
application and provide access to database at Application Server level?
How can I make use of J2EE services/components such as JMS, EJB's to
effectively allow other systems/portals to access database via J2EE
container? Is XML a viable solution?
thanks
Ramesh

Hi Ramesh,
"Ramesh Ankam" <[email protected]> wrote in message
news:[email protected]..
Thanks for the reply! So this means that application or external portalhas
to make remote rmi:// call to access the session bean and invoke businessYes, if you want secure communications. You may also consider
making your application WebServices enabled. Anyway, you need
a clearly defined business layer. Otherwise your data won't be treated
in a uniform way and you will end up with maintanance burden.
methods? Is JMS is a overkill for this requirement?It really depends on what you should get as a result.
If you need messaging, JMS is a good thing.
Regards,
Slava Imeshev
>
RA
Slava Imeshev wrote:
Hi Ramesh,
You need to write a set of Staletess Session Beans representing you
business logic, and to define security properly. You should never
expose database (entity EJBs) to layers other then your business
layer.
Regards,
Slava Imeshev
"Ramesh Ankam" <[email protected]> wrote in message
news:[email protected]..
Hi Guys,
Tanks for the previous help. The problem here is, if possible I would
like to know some architectural approaches for following design
question:
We are basically building an enterprise application on J2EE Platform.
The database tier underlying the application is accessed by more than
one portal. Some of the portals are external to organization, but
share
the data stored in the database.
What would be the best approach to address this problem? The basicidea
is to write a re-usable common business service component in J2EE
application and provide access to database at Application Serverlevel?
>>>
How can I make use of J2EE services/components such as JMS, EJB's to
effectively allow other systems/portals to access database via J2EE
container? Is XML a viable solution?
thanks
Ramesh

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Is it like
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 <CutomerID>AA123</CutomerID>
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 <ProductManufaturingDate/>
 <ProductExpDate/>
 <ProductID/>
 </ns1:MT_Message_Two>
 </ns0:Message2>
Thanks & Regards,
Farooq Farooqui

Yes now I achived it...
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<ProductName>PN</ProductName>
<ProductID>1234</ProductID>
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<ns1:MT_Message_Two xmlns:ns1="http://t-systems.com/XI/Demo/BPM">
<ProductCost/>
<ProductManufaturingDate/>
<ProductExpDate/>
<ProductID/>
</ns1:MT_Message_Two>
</ns0:Message2>

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Hi All,
Can any one explain in detail difference between Business system and Business service.
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Reg
Bapuraj

Hi Bapuraj,
Business System
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Business Component(formerly Service)
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<REMOVED BY MODERATOR>
<LINKS CAN BE SEARCHED FOR BASIC QUESTIONS>
-santosh.
Edited by: Prateek Raj Srivastava on Jan 12, 2012 10:01 PM

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Hello,
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XML
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ADF Business Components.
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Thanks
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So the quote says "technologies Oracle recommends to J2EE developers" which is correct - if you are an experience Java EE developer the TopLink/JPA/EJB stack should be your choice however if you are coming from a 4GL/Enterprise developer background then the recommendation is here:
http://download.oracle.com/docs/html/B25947_01/intro002.htm#sthref21
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Failure in SDOSerializer.deserialize - Invoking AMImpl's Service Interface

Hi,
I have a typical Issue while invoking a Service Interface creation using ADF BC.
Steps done:
1. I generated the service interface using AMImpl.
2. Modified the WSDL to include soap headers.
<wsdl:input>
<soap:body use="literal"/>
*<soap:header message="tns:getTransactionHeader"*
part="transaction" use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
*<soap:header message="tns:getTransactionHeader"*
part="transaction" use="literal"/>
</wsdl:output>
3. Modified the Service classes (Service.java and ServiceImpl.java) to include the holders for the soap headers.
Now the method looks like this in the Service.java class:
List<SellingDayCalendar> getXYZ(@WebParam(mode = WebParam.Mode.IN,
name="unitName")
String unitName, @WebParam(mode = WebParam.Mode.IN, name="salesDate")
Timestamp salesDate, *@WebParam(name = "transactionHeaderType", mode = WebParam.Mode.INOUT,*
targetNamespace =
*"/com/gm/vstar/model/core/common/",*
header = true, partName = "transaction")
Holder<TransactionHeaderType> transaction
) throws ServiceException;
4. I have created the POJO class called TransactionHeaderType.java which implements Serializable interface.
While I run the service by including headers or try to invoke the proxy from my JSF page, I get the following exception:
Target URL -- http://localhost:7101/MyServicesApplication-MyServicesModel-context-root/MyService
<ServerMessages> <severeMessage> oracle.webservices.provider.ProviderException: oracle.j2ee.ws.common.databinding.common.spi.DatabindingException: Failure in SDOSerializer.deserialize.
 at oracle.j2ee.ws.server.jaxws.JAXWSRuntimeDelegate.processMessage(JAXWSRuntimeDelegate.java:494)
 at oracle.j2ee.ws.server.provider.ProviderProcessor.doEndpointProcessing(ProviderProcessor.java:1187)
 at oracle.j2ee.ws.server.WebServiceProcessor.invokeEndpointImplementation(WebServiceProcessor.java:1081)
 at oracle.j2ee.ws.server.provider.ProviderProcessor.doRequestProcessing(ProviderProcessor.java:581)
 at oracle.j2ee.ws.server.WebServiceProcessor.processRequest(WebServiceProcessor.java:232)
 at oracle.j2ee.ws.server.WebServiceProcessor.doService(WebServiceProcessor.java:192)
 at oracle.j2ee.ws.server.WebServiceServlet.doPost(WebServiceServlet.java:459)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
 at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
 at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
 at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
 at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
 at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
 at oracle.jbo.server.svc.ServiceContextFilter.doFilter(ServiceContextFilter.java:78)
 at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
 at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
 at java.security.AccessController.doPrivileged(Native Method)
 at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
 at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
 at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
 at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
 at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
 at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
 at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
 at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
 at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
 at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
 at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
 at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
 at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
 at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
 at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
 at weblogic.work.ExecuteThread.execute(ExecuteThread.java:207)
 at weblogic.work.ExecuteThread.run(ExecuteThread.java:176)
Caused by: oracle.j2ee.ws.common.databinding.common.spi.DatabindingException: Failure in SDOSerializer.deserialize.
 at oracle.j2ee.ws.common.databinding.runtime.sdo.SDOSerializer.deserialize(SDOSerializer.java:383)
 at oracle.j2ee.ws.common.jaxws.runtime.SoapInvocationSerializer.deserialize(SoapInvocationSerializer.java:298)
 at oracle.j2ee.ws.server.jaxws.SoapEndpointSerializer.deserializeRequest(SoapEndpointSerializer.java:86)
 at oracle.j2ee.ws.server.jaxws.ServiceEndpointRuntime.processMessage(ServiceEndpointRuntime.java:320)
 at oracle.j2ee.ws.server.jaxws.ServiceEndpointRuntime.processMessage(ServiceEndpointRuntime.java:196)
 at oracle.j2ee.ws.server.jaxws.JAXWSRuntimeDelegate.processMessage(JAXWSRuntimeDelegate.java:479)
 ... 34 more
Caused by: oracle.j2ee.ws.common.databinding.common.spi.DatabindingException: Deserialization failure. Invalid data type: com.gm.vstar.model.core.common.TransactionHeaderType
 at oracle.j2ee.ws.common.databinding.runtime.sdo.SDOSerializer.deserializePrimitives(SDOSerializer.java:520)
 at oracle.j2ee.ws.common.databinding.runtime.sdo.SDOSerializer.deserializePart(SDOSerializer.java:470)
 at oracle.j2ee.ws.common.databinding.runtime.sdo.SDOSerializer.deserializeNewPart(SDOSerializer.java:432)
 at oracle.j2ee.ws.common.databinding.runtime.sdo.SDOSerializer.deserialize(SDOSerializer.java:362)
 ... 39 more
<ServerMessages> <severeMsgServletException> An error occurred for port: {com/gm/vstar/model/utility/service/applicationmodule/common/}MyServiceSoapHttpPort: oracle.webservices.provider.ProviderException: oracle.j2ee.ws.common.databinding.common.spi.DatabindingException: Failure in SDOSerializer.deserialize..
Any solutions would be appreciated.
Thanks,
Ajith

Hi,
its JDeveloper and ADF on this forum. For EM related questions, you should try the EM forum
Frank

Business Systems and Business Service - does any difference

Hi Experts,
Could any one please guide me what is the difference between
Business Systems
and
Business Service.
Which situations we use Business Systems / Business Service.
Does it have any performance issues?
Why we are not configuring Business service in SLD?
Cheers Experts!!
Sunil

Hi Sunil,
Business System: Address a particular business system as the sender or receiver of messages.
A business system is an actual application system in a system landscape. A business system
(service) comprises information about the inbound and outbound interfaces and the software
component versions of the business system. The business system services are used when
configuring internal company processes.
Business Systems are Logical Senders or Receivers that exchange messages by using the Integration
Server and that are entered in the System Landscape Directory.
The Business Systems in the System Landscape Directory relate to a system landscape.
The Business Systems of business partners are therefore not entered in the System Landscape
Directory. To be able to address such business partners logically, use communication components in
the Integration Directory. A business system is a way of specifying a communication component in the
Integration Directory more precisely (business system component).
Business Service: Address an abstract business entity as the sender or receiver of messages.
Using a business service, you can define the technical or business subunits of the companies
involved and then assign them the relevant interfaces. The business services are used when
configuring cross-company processes.
In the PCK, the Service is of type Business Service. It represents an abstract, addressable unit.
Business services are used in cross-company processes, for example, if the parties involved have only
published their interfaces and not their system landscape, or it is only partly known.
Using a Business Service,we can define the technical or business subunits of the companies involved
and then assign them the relevant interfaces.
It is useful to use Business Services when configuring cross-company processes. Usually, the
interface descriptions of the business partners involved are made publicly available.
Also,There is already lot of thread regarding the same discussion, please see it below.
Business service or Business system??
Re: Business Service <--> Business System
Difference between Business service, Business system and Business process
Business Service vs Business System in Integration Directory.
Business Service (vs) Business System in Integration Directory.
What is the difference between Business System and Business Service?
business system and business service
Diff b/w Business service & Business System?
Regards,
Vinod.

Business Services development with jDeveloper

We are making use of the Business Services feature in JDE to expose business functions as web services, that's great and working.
we have one problem with jDeveloper during development.
we can create a new business service from OMW in JDE and invoke jDev from there, that's fine.
then we can put codes in the project in jDev, that's fine.
then we can publish the code as J2EE web service, that works as well.
then if we restart jDeveloper after that, the J2EE web service doesn't work in the jDev embeded web server any more.
we always have to delete the web service in the project and go through the same wizard steps to generate the web service again.
it's very annoying when you have more than a handful of web services you want to expose.
and if you use the WSDL in a client project to call this web service, you have to remember to give the web service the same name when re-generating otherwise you have to reimport the WSDL again on client side, it can be another huge pain if the client is Oracle BPEL.
so my question is, why is this happening? is it some settings in jDev that we didn't set right? or is it a bug in jDEv and is there a work around?
thanks in advanced!

What error did you get?

Parties, Business Systems and Business Services

Hi guys,
I've read a lot about items in subject, but have some doubts about applying them to my scenario. I have to integrate SAP system and web service.
As far as I understand concepts, this is B2B communication, so I have to use parties. To represent SAP system I use Business System, as it's described ins SLD, and for Web service I use Business Service... just as we use business services for web services
--- Am I right here? Will it work ok in reciever determination, agreement?
Thank you.

Hi,
You are doing the usage of business systems and services in proper way.
The scenario will difinately work with combination of business system and service.
It will be fine for all other configurations such as Receiver Determination, Sender/receiver agreements and interface determination etc.
Please see below the importance of Parties, Business Systems and Business Services
A communication party
A communication party (party for short) represents a larger unit, which is involved in a collaborative process. Using a communication party, you generally address a company within a cross-company process.
You can assign a communication party one or more services to address it as the sender or receiver of messages.
A business system
If you want to address a particular business system as the sender or receiver of messages, choose this service type.
A business system is an actual application system in a system landscape. A business system (service) comprises information about the inbound and outbound interfaces and the software component versions of the business system.
You usually use business system services when configuring internal company processes.
A business service
If you want to address an abstract business entity as the sender or receiver of messages, choose this service type.
Using a business service, you can define the technical or business subunits of the companies involved and then assign them the relevant interfaces.
You usually use business services when configuring cross-company processes. In this case, you only make your interfaces known to the business partners involved and either do not make any details about your own system landscape available, or only specific details.
For example, you can define RosettaNet Partner Interface Processes (PIPs) as business services.
Thanks
Swarup

Writing a common business services Interface - J2EE?

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