ESB Systems and Services disappeared

I posted this yesterday in BPEL forum but suspect this is a more appropriate place. Please help!
Suddenly this afternoon, after adding a new ESB process, I am unable to display the DefaultSystem or BPELSystem processes in the ESB Control.
The instances page seems to work, and I've seen a few instances kick off since the problem started.
I can create a new System0 page but it disappears when I press "OK". I cannot create a new DefaultSystem or BPELSystem, but get the error that they already exist.
The BPEL Console seems to work as usual.
This exception appears in the oc4j log whenever I try to display the processes:
08/01/09 15:28:16 java.lang.NullPointerException
08/01/09 15:28:16 at oracle.tip.esb.model.entity.ServiceOperation.getFaults(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.util.XMLGenerator.buildOperationXML(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.util.XMLGenerator.addOperations(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.util.XMLGenerator.buildServiceXML(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.util.XMLGenerator.buildXMLForChildNodes(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.util.XMLGenerator.buildSystemXML(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.XMLConsoleManagerImpl.exploreEntities(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.console.XMLConsoleManagerImpl.exploreEntities(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.configuration.servlet.command.ServiceExplorerCommand.execute(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.configuration.servlet.CommandServlet.doJob(Unknown Source)
08/01/09 15:28:16 at oracle.tip.esb.configuration.servlet.CommandServlet.doPost(Unknown Source)
08/01/09 15:28:16 at javax.servlet.http.HttpServlet.service(HttpServlet.java:763)
08/01/09 15:28:16 at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
08/01/09 15:28:16 at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)
08/01/09 15:28:16 at oracle.security.jazn.oc4j.JAZNFilter$1.run(JAZNFilter.java:396)
08/01/09 15:28:16 at java.security.AccessController.doPrivileged(Native Method)
08/01/09 15:28:16 at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
08/01/09 15:28:16 at oracle.security.jazn.oc4j.JAZNFilter.doFilter(JAZNFilter.java:410)
08/01/09 15:28:16 at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:621)
08/01/09 15:28:16 at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)
08/01/09 15:28:16 at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:866)
08/01/09 15:28:16 at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:448)
08/01/09 15:28:16 at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:302)
08/01/09 15:28:16 at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:190)
08/01/09 15:28:16 at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)
08/01/09 15:28:16 at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)
08/01/09 15:28:16 at java.lang.Thread.run(Thread.java:595)

I think it would be termed SOA "advanced", we have a full-on Oracle database and Mobile Server as well as SOA Suite.
The DBA did find some corrupted objects.
I finally fixed the problem by running IRCA and then hand-copying the ESB_METADATA rows from another SOA Installation, and redeploying all the processes.
I ran into another, similar problem today where one process could not find the metadata from the ESB Control. The problem seems to have vanished after I removed, recreated, and rebuilt the ESB process. However, I could see the process, just not bring up the diagram of it in ESB control (instead, an exception complaining about metadata appeared in that frame of the browser).
Thanks for your response!

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Significance of ESB Systems and Groups

Hi,
Other than organizing things better what are the true functionalities of ESB Systems and Groups? Having services in seperate systems/groups enables me to deploy them on seperate ESB Instances? Are there any performance benefits by limiting number of services in a System/Group?
Thanks in advance.
Regards,
Rajesh

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What is business systems and services?

Hi Experts,
What is business systems and services and where are they prefered? and tell me the diff between them...
Regards,
Mahakrishnan T.

Hi
Business System
1) Business system is a logical system, and there is an importance on physical existence of the system.
2) Also SLD entry is required.
3)It is generally used for SAP applications, this is just a general prinicple followed but not mandatory.
4)This is defined as part of the SLD and is a physical system whose parameters are well defined.
5(Business systems refers to the physical systems, for instance the R/3 system. You define the business systems in the SLD
Business Service
1) You use a Business Service, when you do not have the System details of the the partner system to which you want to communicate. i.e. you have not configured the partner system in SLD.
2) Business Service is an Absract Unit with Sender and Receiver Interfaces,In this case you need to explicitly add the message interfaces while doing configuration in ID.
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All System Groups/Services disappeared in ESB Control after redeploy

Hi all,
SHORT: all entries in the "Services" pane of the ESB control have suddenly disappeared.
DETAILED: After a few successful cycles of changing/deploying/running and viewing instances of my ESB service via the ESB control, I redeployed and run the application. The previously successful test I ran did not get a reply from the service. Obviously, this could be either due to me breaking the service with the last change or because of some crash in the SOA Suite. So I tried to get more information via the ESB console but all System Groups and Services have disappeared - the left "Services" pane is empty.
Restarting the SOA Suite does not fix this.
==> any suggestions on what could have happened and how to resolve this without reinstall ? (we don't want this to happen in production, do we ;-) ?)

two collegues of mine ran into a similiar problem. Their ESB console seemed empty as well.Until one of them let the console open for about 10 minutes and the services/system re-appeared.
Indicating that when the services do not show up could also be caused by a serious performance glitch or the services are calling external systems which time out.
Another option is to wait for a few minutes and see if your services etc show up again.
I don't know where this performance degradation is coming from though. The only thing I noticed is that the ORAESB schema ( advanced install ) is installing al of its objects in the USERS tablespace and that most ( almost all ) tables do not have any indexes / pk / fk's on them.
Maybe one or two indexes could speed up the ESB repository considerably.
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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.
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Parties and Services in Configuration Scenarios

Hi,
I think I understand the distinctions between parties, business-systems, and -services.
If I define an integration scenario in the repository and check the checkbox b2b-communication, I have to use parties in the directory integration scneario configurator.
Do I then also have to provide a partner for my own company and assign my business-systems and services under this node? I otherwise get problems when I assign the services to the application systems in the configurator and my receiver determinations get wrong.
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Hi Hans,
it is not necessary to define your 'own' party if you only have 'intra-enterprise message exchange'. The big deal about parties is the possibility to define 'additional' IDs like DUNS-numbers to the Party - this is necessary whenever an Adapter is used that requires specific IDs (these are typically B2B Adapters only). The Receiver-Adapter (for messages coming into the Integration Server) will map from an additional ID to the XI-Party name and the Sender Adapter (for messages sent out of the IS) will map from the XI-Party name to the additional ID as defined within the Sender channel.
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In the bpel.xml or \<OH>\integration\esb\config\esb_config.ini on ESB_DT server, you can use the esbSystem property. See slide 39 from this presentation on http://otn.oracle.com/goto/esb http://www.oracle.com/technology/products/integration/esb/files/esb-bpelmanualtask.pdf

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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?
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What is the difference between Business System and Business Service?

Hi
Please tell me what is the difference between Business System and Business Service...? In real time at what situation we will use Business System and in what situations we will use Business Service..? Please help me
Best Regards
Ravi Shankar B

HI,
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.
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.
Regards,
Sudheer.

Difference between Business System and Business Service in ID

There are some tiny little doubts for a newbie which usually appear and we don't really have the answer.
We know that sometimes we two ways to implement a process, and it works for the two ways, but we not always understand why.
This was one of my doubts, what was the great difference between a Business System and a Business Service...?
Of course I had a tiny little idea but now I have the answer and maybe it will be useful to anyone who questioned about it...
A Business System is defined in the SLD and is used as sender and receiver in the ID. However in some cases, the details of the implementing application are not available(in a B2B communication, where the system belongs to a different company. A Business Service represents an abstract entity for adressing the senders and receivers of messages. Therefore, when using Business Servces, it is no longer necessary to define any Business Systems in the SLD.

Hi Goncalo,
one important difference is that a business service has no SLD entries and so also no assigned products/SWCVs. So the configuration in IB Directory can become uncomfortable if there a lot interfaces.
Regards,
Udo

Difference between Business system and Business service.

Hi All,
Can any one explain in detail difference between Business system and Business service.
As we commonly say, Business service is for those system which are not in our landscape.
Can any one explain in which particular scenarios we will go for Business Service.
Reg
Bapuraj

Hi Bapuraj,
Business System
Business system is a logical system, and there is an importance on physical existence of the system.Also SLD entry is required.
It is generally used for SAP applications, this is just a general prinicple followed but not mandatory.
Business Component(formerly Service)
You use a Business Component, when you do not have the System details of the the partner system to which you want to communicate. i.e. you have not configured the partner system in SLD.
Business Service is an Absract Unit with Sender and Receiver Interfaces,In this case you need to explicitly add the message interfaces while doing configuration in ID.
It is generally used for NON-SAP applications, this is just a general prinicple followed but not mandatory.
<REMOVED BY MODERATOR>
<LINKS CAN BE SEARCHED FOR BASIC QUESTIONS>
-santosh.
Edited by: Prateek Raj Srivastava on Jan 12, 2012 10:01 PM

Difference between Business service, Business system and Business process

Hi,
Can anyone tell me the difference between Business service, Business system and Business process?
Thanks,
Harikumar. S

Hi,
Business system
It is a logical system from a business point of view.
One or more logical systems that belong together from a business point of view is called a group of Business system group. A business system group represents a unit within a company or organization that can be defined according to legal, economic, administrative or geographic factors.
The objects in a business system group are uniquely identified by a uniform numbering system.
Business process
Business procedure within an enterprise that uses resources and can involve activites from a number of different cost centers in a controlling area.
When executing a business process, activities can be utilized for several cost centers of a controlling area.
Business service
Its a third party system.
All these belong to a Business Scenario which is
Description of the flow of business processes according to a business typology. A business scenario represents a template for a business process, which runs within a particular area of a company process. All processes required to completely process the task are listed in chronological order in the scenario. Business scenarios can be described graphically, in either aggregated or detailed form (EPC). Example: Direct sale to industrial recipient
**DO REWARD POINTS IF THIS IS HELPFUL FOR YOU**
Regards
AK

ESB Systems and Services disappeared

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