Http Adapter Vs Web service

Hi Experts
Can anyone give an idea when can we use the Http adtater and when can we use Web service request (SOAP Adapter)
Thanks
PR

> Can anyone give an idea when can we use the Http adapter and when can we use Web service request (SOAP Adapter)
System Integration works the other way: First you identify your scenario, then you decide which adapter is best suited for.

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Dear Eugenio Andres and Jackeen,
Thanks a lot for your help. Could you please give me some advices on how to code independent of platform. I need my program run both on windows and macintosh. I suppose there's a way to finish my above task using cross platform soap related c++ classes. Is it right?
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SunSourcing (Hangzhou)
http://www.sunsourcing.com
http://www.sunyard.com
Office: +86-571-56686136
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Mobile: +86-13957139071
QQ: 280196343
Email: [email protected](Business), [email protected](Personal)
MSN: [email protected]

Make https invocation from web service code?

I have a JAX-WS web service running in WebLogic 10.3.5. From within that web service code, I need to make a SECOND web service invocation to another web-service application to obtain some necessary information, and that second web service invocation must use HTTPS protocol. Unfortunately, I'm getting a "java.lang.IllegalStateException: Cipher not initialized" exception, which makes me think the SSL handshake is failing.
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http://docs.oracle.com/cd/E23943_01/web.1111/e13713/transport.htm#CIHGAEJD
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0r
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How to use IGS via Web Services (or HTTP)?

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Dear Sergio,
a scenario that makes use of the HTTP interface of the IGS is Web Dynpro Java. This may also be an alternative for you. But with a lot of technical background it is also possible to generate charts using the IGS via HTTP directly (Web Services are not supported).
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Hi Experts,
I have created a web service for my offline interactive form. The connection works fine if I give Communication security as "None" in transaction SOAMANAGER. But it doesn't work if I give HTTPS as Communication security. Will adobe forms work with HTTPS connection using web service?
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Thanks & Regards,
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Hi Sanoosh,
There seems to be a routine problem with Adobe on HTTPs even when it says HTTP/HTTPS in dataconection.
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Re: Calling HTTPS Webservice error
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Hello,
I've got a little problem with Web Service authentication configuration.
I'm working on the SAP NetWeaver CE EHP1 7.11. I also have a XMII application deployed on the server and there are some SOAP Web Services(over XMII Transactions) that require basic authentication.
I use all Web Services in the EJB layer. So, I've generated proxy using SAP NetWeaver as a Web Service Runtime for generation. And Iuse an injection mechanism to get a service implementation:
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2) Find Configuration way: Create a configuration group or anything else to configure all services from one screen.
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Dimtris,
If your WSDL url is pointing to the URL of the Adapter Engine as shownin the Hot to Use the SOAP adapter there is no option. You cannot add it to the SOAP Url.
But, if you change the SOAP Url to the Url shown in this blog by Stefan Grube then you can add the user id and pasword to the url by adding sap- user=userid and sap-password = password.
The optin shown ion the blog by Grube can be used as long as you do not have to use SOAP attachments and in this case you would not need both sender SOAP adapter and a sender agreement.
/people/stefan.grube/blog/2006/09/21/using-the-soap-inbound-channel-of-the-integration-engine
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I have created an ABAP proxy to allow my ABAP to start the call process and have set up the message interfaces within the Integration Directory.
I want XI to receive a call from this proxy and then act as the client to an existing Web Service.. calling it and bringing back a response... but it doesn't look like I can import the existing WSDL as a I would have expected.
So... instead I have exported the Message Interface for the "out of XI" portion of the interface as a WSDL and have asked the Web Service provider to amend their service according to this XI generated WSDL.
My difficulty now is how to use the SOAP adapter. Within the Integration Directory I presumably need to define the endpoint with XI Connectivity but I am not sure how to fill in the URL address of the SOAP adapter...
Any help on how to configure the actual SOAP adapter to fulfill this requirement would be great too.
I have looked around the boards to see if I could work this out from previous posts but without success so far.
It's a synchronous scenario and basically should look like...
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Hi Gordon,
here is an example for SOAP-Adapter config:
# Bubble adapter java class
classname=com.sap.aii.messaging.adapter.ModuleBubble
# Sets the bubble module helper that can instantiate your bubble bag
Bubble.Helper=com.sap.aii.messaging.adapter.ModuleBubbleHelperXMBWSImpl
###### Part 0 (FromWS and ToWS) : common part ######
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XMBWS.KeepHeaders=false
# Encodes the xmb headers into a special HTTP header string x-xmb_ws_encoded
XMBWS.UseEncoded=false
# The target URL for the web service, to which the adapter sends web service messages.
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XMBWS.TargetURL=http://www.extensio.com:8080/ExtensioInfoServer/servlet/rpcrouter
# Proxy configuration from SAP
XMBWS.proxyHost=PrOxY
XMBWS.proxyPort=8080
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XMBWS.XMBPort=8400
XMBWS.XMBPath=/soap/stockquote
# The default SOAPAction HTTP request header to the web Service server
# The SoapAction is part of the WSDL
XMBWS.DefaultSOAPAction=
Of course you have to set URL, proxy and SOAP-action to your belongings.
You define the endpoint as:
"http://<Adapter-Server>:<XMBPort><XMBPath>"
in this example:
"http://localhost:8400/soap/stockquote"
Stefan

Protecting a Web service in XI 7.0

Hello Experts,
The developers have asked my help to disable access through plain http to a web service...
In theory, ssl is already enabled. As I'm able to access XI through the browser using https (the certificate is self-signed, but that shouldn't be a problem).
The Sender Channel is set as HTTPS with client autentication. We've defined the web service and we are able to use it with plain http.
All the documentation I have found throughout the web is to seal the whole xi with ssl, but we want to secure just one web service.
any help?
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Thiago Delou
Basis Team

I dont think SSL for a service means enabling HTTPS access of the server. For enabling one service to use SSL, you have get a certificate from a CA, import it in to PI Java/ABAP stacks. Then configure in the ABAP stack for the plain http adapter (you might have to create a new one by copying the default HTTP adapter on the ABAP stack).
Not absolutely sure though. Just some info..!!
VJ

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In my scenario, SAP PI 7.1. needs to talk to a 3rd party EDI system via web services. SAP PI is using HTTP adapter to exchange XML messages for both inbound and outbound with the EDI system. Questions:
1. If SAPI PI sends for example 100 (different) messages to the EDI system every day, will PI make 100 web service calls to the EDI system to send each individual message?
2. Please explain how PI will use the HTTP URL to send the messages to the EDI system. Any document/blogs to explain how HTTP adapter works for exchanging messages with third party systems (web service capable)? Did not find anything good one in SDN.
3. Any disadvantage of using HTTP adapter, e.g. for high volume scenarios?

> 1. If SAPI PI sends for example 100 (different) messages to the EDI system every day, will PI make 100 web service calls to the EDI system to send each individual message?
Yes, it will use 100 cals to process 100 individual messages.
>
> 2. Please explain how PI will use the HTTP URL to send the messages to the EDI system. Any document/blogs to explain how HTTP adapter works for exchanging messages with third party systems (web service capable)? Did not find anything good one in SDN.
>
When you use HTTP adapter in receiver side, you will specify address of the target system in URL format, that means data will be send it to specific UIRL adress.
> 3. Any disadvantage of using HTTP adapter, e.g. for high volume scenarios?
i prefer using SOAP adapter for web service cals..HTTP adapter give good perfomance.
Regards,
Raj

XI web service from 4.6C

Hi,
I want to call XI web service from 4.6C.
I can not use RFC adapter as web service also returns attachments.
I can not use proxies as it is 4.6C.
Please help....
Thanks,
Beena.

Hi Arvind,
The scenario is: R/3 4.6C --> XI --> SOAP
The web service at SOAP Receiver returns an attachment(pdf document) which I need to pass to R/3 4.6C.
I have also exposed the sender interface in xi as web service as same web service will be called by Java Web Application i.e. Web --> XI --> SOAP.
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And RFC and HTTP adapters do not support attachment.
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Calling external Web Service: PI is looking for a logical port and proxy.

Hi,
My scenario is ECC Proxy -> PI -> External Webservice (WS adapter).
the Web service adapter fails with the error message:
<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
- 
- <SAP:Error xmlns:SAP="http://sap.com/xi/XI/Message/30" xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/" SOAP:mustUnderstand="">
<SAP:Category>XIServer</SAP:Category>
<SAP:Code area="INTERNAL">WS_ADAPTER_SYS_ERROR</SAP:Code>
<SAP:P1 />
<SAP:P2 />
<SAP:P3 />
<SAP:P4 />
<SAP:AdditionalText />
<SAP:Stack>System error while calling Web service adapter: Error when initializing SOAP client application: 'error_text'</SAP:Stack>
<SAP:Retry>M</SAP:Retry>
</SAP:Error>
When I debug the message processing, it is looking for a port in table SSRVRTCONFIG, finds it(entry created automatically when WS adapter and the corresponding receiver agreement is activated in ID.
Then the program looks for an entry in "SRT_CFG_CLI_ASGN" for a proxy and logical port combination and errors out.
to be able to call an external web service, do we need a proxy to be created? I tried to create but the proxy creation fails because the external WSDL has some unsupported tags.
Also do we need to do any other configuration in SOAMANAGER? I am assuming not because the Web service is external.
Any help would be appreciated.
Thanks
Vijay

I already checked that note and made sure that the points mentioned are met. I have a trace set up on the target system and would know if the call reaches them and then fails in authorization. Right now the call doesnt even reach the target system and also from debugging I know that the program is looking for a proxy and then fails.

Could someone help me to clearly distinguish between SOAP and HTTP adapter?

In which scenarios we can go for HTTP adapter and when to go for SOAP adapter?

Hi Lekshmi !!
A SOAP message will be bundled inside the soap envelope.HTTP is not an adapter in adapter engine whereas soap is an adapter i.e, HTTP doesn't require a communication channel where as SOAP requires.You can send soap messages using some SOAP client.
SOAP Adapter is used to xchange SOAP messages bw remote clients and webservices....
check this link for more differences..
SOAP and HTTP adapter
When you need to Send Data to XI from a Webservice , your SOAP adapter is used.
HTTP adapter is used when you want to post a HTTP request message from a web application to XI.
How can i make use of SOAP Sender Adapter without using any tools like XML Spy etc....
XML SPy is used as a TEST tool when you are sending SOAP information to XI. TO actually send data , you need to configure a webservice and construct a SOAP request message and post the data .
we use SOAP adapter when we need to connect to remote system or use Webservices in these cases we use SOAP adapter.
HTTP Adapter is used by extenal systems to connect to Intergartin server using native HTTP Interface.
the http adapter is a service which is directly connected to integration engine. Adapter Framework (Java) isnt involved. It is much more performant than SOAP adapter.
The SOAP adapter is written in Java and is responsible for the SOAP envelope around the real XML message. You can build/remove that envelope as well in the mapping and use instead http adapter. But standard for webservices is using SOAP adapter.
Check this thread....
Difference between SOAP and Http Sender
HTTP Adatpter Vs Soap Adapter
HTPP Adatpter Vs Soap Adapter ????
Difference between SOAP and Http Sender
Difference between SOAP and Http Sender
Plain HTTP Adapter vs SOAP Adapter with regards to SSL
Plain HTTP Adapter vs SOAP Adapter with regards to SSL
Hope it clears your doubt !!!!
Questions are welcome here!!
<b>Also mark helpful answers by rewarding points </b>
Thanks,
Abhishek Agrahari

Security Error when trying to access web service

I have an app that connects over HTTPS to a web service on
our internal network. The interface to the web service was created
by using the WSDL Import function of the Flex IDE.
I can run the app and retrieve data without a problem when I
run from the debug-bin folder that the Flex IDE compiles to.
However, I cannot connect to the web service from anywhere else,
such as a different location on my own local drives, a network
drive, or another persons machine.
I've setup a local instance of Apache with mod_ssl so I could
host the app under an HTTPS connection itself, which the
documentation seemed to imply that would work. However, when I run
the app, I get:
[FaultEvent fault=[RPC Fault faultString="Security error
accessing url" faultCode="Channel.Security.Error"
faultDetail="Destination: DefaultHTTPS"] messageId=null
type="fault" bubbles=true cancelable=true eventPhase=2]
I am accessing the app by going to
https://mymachine.companydomain.com/myapp.html, and the web service
is being accessed through https://webservice.companydomain.com/.
Anybody have any thoughts on what I should be looking at?
I've been searching and trying things for a few days with no luck.
Any help would be appreciated. Thanks.

The SSL handshake works differently to a browser as it is making the connections automatically.
The browser asks every time if you want to trust an expired certificate, and it also recommends not to. Its impractical to manually check every service call to say do you trust the certificate so the functionality doesn't exist. I doubt any integration product does this. Therefore there isn't a option to ignore the certificate if it has expired.
This makes sence as the certificate is untrustworthy. The whole idea around SSL is trusting the site you are communicating with, all parties need to be trusted. This stops hackers from replicating their site and intercepting data.
If the administrator of the remote site is not willing to renew the certificate, are they really interested in SSL. I suggest they expose a non SSL service.
cheers
James

Http Adapter Vs Web service

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