OSB example calling multiple business services using a single proxy service???

Hi,
I have three business services created using http urls i.e.
1. LoginBS
2. GetListBS
3. LogoutBS
My requirement is to get a list of names from GetListBS using a single proxy service and to call GetListBS I have to first call LoginBS then GetListBS i.e. after authentication and then finally logout.
Kindly help with a detailed example for this and I am new to OSB.
Thanks,
Vik

Hi Eric,
Thanks for the response. We figured that it is possible to call multiple services with Split Join. However, we ran into the issue you described. We had a blocking call and had to wait until each of the services returned a response.
However, we needed a Async model for our design and felt that this might not be a right fit.
We are now looking at implementing the publish option with QoS configured as this fits our usecase better. Thanks for the help again.
Rudraksh

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Best practices for Calling Multiple Business Services in OSB

Hi All,
I have a requirement where I need to call multiple business services in OSB. We are presently calling them sequentially in a proxy pipeline. I was wondering if we could accomplish the same task in a better way. Each of the business services are mutually exclusive.
Thanks in Advance,
Rudraksh

Hi Eric,
Thanks for the response. We figured that it is possible to call multiple services with Split Join. However, we ran into the issue you described. We had a blocking call and had to wait until each of the services returned a response.
However, we needed a Async model for our design and felt that this might not be a right fit.
We are now looking at implementing the publish option with QoS configured as this fits our usecase better. Thanks for the help again.
Rudraksh

Custom hostname verifier not used when business services use a http proxy

On OSB 10.3, we have a business services with an https end point. To access this end point, the business service used an http proxy.
The certificate of the business endpoint is a wildcard certificate *.certificate.be . So we have a custom hostname verifier defined in the ssl configuration on the weblogic Server
As we can see with the verbose mode at the jvm, the custom hostname verifier is not used when we use a http proxy in the business service. Osb use a ALSBHostnameVerifier and this one the defaulthostName
<Mar 2, 2011 7:31:11 AM CET> <Debug> <AlsbTransports> <BEA-000000> <*** Connecting via proxy *** HTTP @ my.proxy.be/XXX.XXX.XXX.XXX:8080>
[Loaded com.bea.wli.sb.transports.http.ALSBHostnameVerifier from file:/bea/osb_10.3/lib/sb-transports-main.jar]
[Loaded weblogic.security.utils.SSLWLSHostnameVerifier$DefaultHostnameVerifier from file:/bea/wlserver_10.3/server/lib/weblogic.jar]
Is there any way to force business service to used hostname verfifier defined in weblogic ssl server config?
Thanks

This is a known issue. Raise a case with support and ask a patch for bug#9182604
Regards,
Anuj

How to use cache on Proxy service in OSB

Hi all,
I need to use cache on proxy service. I am new to OSB, I have searched for this on net but unable to find.
Please come up with some docs or links going through which I can achieve this.
Thanks,
Phani.

i assume you already checked the result caching feature which can be used on the business service?
http://docs.oracle.com/cd/E14571_01/doc.1111/e15867/configuringandusingservices.htm#OSBAG170

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Hi
Am a beginner in ALSB and i have a basic question. Business services are created using WSDL,thats sounds logical as we need to invoke the actual backend services .
Proxy services are connected to business services and what is the need that it can be e created using WSDL.
What is the use of creating proxy services using WSDL.

Hi,
I beleive you are confused because of the apparent inclusion of transport information in WSDL (that is the host:port/endpoint where the service is hosted). However, if you refer to the w3c specification of WSDL1.0 ([url http://www.w3.org/TR/wsdl]www.w3.org/TR/wsdl), you will find that WSDL has three separate sections:
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3. The service section that specify the actual protocol and endpoint binding.
Ideally, a WSDL can be broken down into these three separate components. Any WSDL containing the first two is called an abstract WSDL and is used for a top-down approcah for web services, and if the third part is used, then you get a concrete WSDL, containing invocation end-point also.
Comming back to your question one can typically use an Abstract WSDL for creating proxy service. This way, the service requester and integration can go on two separate threads where the common denominator or agreement between these two parties in terms of operation name and data element are imposed using the WSDL.
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Vivek Nandey
BEA Certified Developer for Integration Solutions

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D

OSB call multiple Business Services and combine the responses into one

Dear All,
I am new to OSB and I have a use case that I need to solve. I have 3 web services and I imported their WSDLs into OSB and created 3 Business Services that goes with each WSDL. The scenario is like this.
Business Service 1: takes an input value as [Region] and returns a list of employee names.
Business Service 2: takes the list of employee names and returns the list of employee names with their job profile
Business Service 3: takes the list of employee names with their job profile and returns their contact information.
I need to return the result of Business Service 3 to the consumer. The consumer basically need to call the Proxy service with [Region] as the input value and the result should be the output of above Business service 3.
As I mentioned, I have WSDL for all the 3 Business Services, but, I do not have the WSDL for the Proxy Service. The Business Service WSDLs are all different and they do not match.
My question is it possible to achieve the above result without having a concrete WSDL for Proxy Service? Also, how can I go about solving this use case. I have gone through some articles that talk about Split-Join, and am really lost.
I really appreciate your kind reply on this.
Thanks in advance.
Regards,
Syama

You have multiple options:
1. Create a WSDL which has input similar to input of WS1 (only Region as input) and an output similar to output of WS3.
Create Proxy Service based on this WSDL. Then call all the thee business services one after the other and doing transformations/assigns as needed after each call. Finally map the result of BS3 to the similar output of your new WSDL on which the Proxy service is based.
2. Create an Any XML type of web service. Create a schema which has two elements, one for input and one for output. Input containing only Region and output containing all the details. All consumers need to send request according to input defined in schema and expect output defined in schema. Its similar to creating the WSDL but can be used in case your consumer do not want to call a Web Service but want to call an XML API over HTTP. Rest will be same as option 1.
Split join is needed to make calls in parallel, it wont be usable in your use case unless you expect a list og regions in the same request for each of which you need to gather same information by calling three services.

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I have done the following so far:
- Define an MFL-based business service that writes MFL messages to a JMS queue and reads reply messages off another queue, and it works when I debug this business service by itself.
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This [url http://www.javaworld.com/javaforums/showflat.php?Cat=&Board=Enterprisejava&Number=3801&page=12&view=collapsed&sb=9&o=&fpart=1]chap seemed to have a similar problem to you and solved it by adding the jaxprc-spi jar file to his class path. It may be that the jaxrpc-impl is causing you greif.
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Keith
Mike Kendzierski <[email protected]> wrote in message
news:[email protected]..
We tried to do this & Weblogic doesn't support this config. We opened upa
support call with them regarding this, but there is a problem with the way
that IIS & NT proxies .JSP pages to the weblogic servers. It's very
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If you have any questions, just ask away.
"Ed" <[email protected]> wrote in message
news:3a296c2d$[email protected]..
We are using IIS4 with weblogic 4.5.1 sp11,
I thought I read someplace, their was a problem between wls 4.5.1 sp7
and
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I will give it a try on monday.
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We tried to do the same thing.
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I have the following table with tablename - emp
first_name last_name age
aaa bbb 31
56
78
ggg hhh 36
2nd & 3rd row contain null values (no data) in first_name & last_name column . I want to update those two rows with data using a single statement. How do I do it?
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UPDATE emp
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CASE
WHEN age = 56 THEN 'ccc', 'ddd'
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END
-----------------------------------------------

Can you give an example of a nested decode statement.
test@ora>
test@ora>
test@ora> --
test@ora> drop table t;
Table dropped.
test@ora> create table t as
2 select rownum x, cast(null as varchar2(10)) y from all_objects
3 where rownum <= 10;
Table created.
test@ora>
test@ora> select x, y from t;
         X Y
         1
         2
         3
         4
         5
         6
         7
         8
         9
        10
10 rows selected.
test@ora>
test@ora> -- You want to change the values of y to 'a' through 'j' for x = 1 through 10
test@ora> -- and y = 'X' otherwise
test@ora> --
test@ora> -- Let's say the limit on the number of components were 12
test@ora> -- Then your decode statement would've been:
test@ora> --
test@ora> update t
2 set y = decode(x,
3                 1, 'a',
4                 2, 'b',
5                 3, 'c',
6                 4, 'd',
7                 5, 'e',
8                    'f');
10 rows updated.
test@ora>
test@ora>
test@ora> select x, y from t;
         X Y
         1 a
         2 b
         3 c
         4 d
         5 e
         6 f
         7 f
         8 f
         9 f
        10 f
10 rows selected.
test@ora>
test@ora> -- As you can see you are unable to:
test@ora> --
test@ora> -- change y to 'g' if x = 7
test@ora> -- change y to 'h' if x = 8
test@ora> -- change y to 'i' if x = 9
test@ora> -- change y to 'j' if x = 10
test@ora> -- change y to 'X' otherwise
test@ora> --
test@ora>
test@ora> -- What you would do then is -
test@ora> -- (i) Let the 11 components remain as they are and
test@ora> -- (ii) Introduce a nested decode function *AS THE 12TH COMPONENT*
test@ora> --
test@ora>
test@ora> rollback;
Rollback complete.
test@ora>
test@ora> --
test@ora> update t
2 set y = decode(x,
3                 1, 'a',
4                 2, 'b',
5                 3, 'c',
6                 4, 'd',
7                 5, 'e',
8                 decode(x,
9                        6, 'f',
10                        7, 'g',
11                        8, 'h',
12                        9, 'i',
13                        10, 'j',
14                            'X')
15                );
10 rows updated.
test@ora>
test@ora> select x, y from t;
         X Y
         1 a
         2 b
         3 c
         4 d
         5 e
         6 f
         7 g
         8 h
         9 i
        10 j
10 rows selected.
test@ora>
test@ora>HTH
isotope
Extrapolate that to 255 components and you get 254 + 255 = 509 components. And so on...
Message was edited by:
isotope

OSB example calling multiple business services using a single proxy service???

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