RFC Asynchronous communication

Hi Experts,
I am doing a scenario in which data is passed using RFC via Proxy to PI and from PI to JMS queue(Target system).
My problem here is i am new to SAP PI 7.1 and i have never worked on RFC before.
Can anyone suggest some blogs so that i can refer and understand the RFC Asynchronous communication process.
Thanks in Advance

Hi,
we cannot suggest blogs as you need to try the search functionality first
but once you get a more detailed question which cannot be answered by using search
come back to us and we will gladly help you ok ?
thank you,
Regards,
Michal Krawczyk

Similar Messages

RFC Sender to SOAP receiver through asynchronous communication

Hi all,
I have a requirement where I need send data from SAP HR system(through RFC) to webservice asynchronously. For this I preferred RFC as a sender and SOAP as a receiver. Can anybody tell me whether it could be possible because I have gone throught the blog
/people/michal.krawczyk2/blog/2005/03/29/configuring-the-sender-rfc-adapter--step-by-step
accordingly I did the configuration and then i gone through the blog
/people/shabarish.vijayakumar/blog/2006/03/23/rfc--xi--webservice--a-complete-walkthrough-part-1
and
/people/shabarish.vijayakumar/blog/2006/03/28/rfc--xi--webservice--a-complete-walkthrough-part-2
in which they are communication synchronously.
But in my case i need to communciation asynchronously. so when i am creating Interface mapping system is not able to pickup my mapping program. I mapped source message as RFC request with Target structure.
Please let me know if asynchronous communication is possible how i have to may between RFC and SOAP.
Regards,
Dhill

Hi Satish,
Thank you very much it is working fine now. But I need some more clarification that for this scenario to execture we need a report from SAP side. Instead is there any other method for XI to receive data. I think it could be possible through proxies if yes can you send some link which would be very useful for me.
Otherwise is there any other way to do it by avoiding to write the code in abap but to call the RFC.
Regards,
Dhil.

Asynchronous Communication - R/3 - XI

I'd like to get your opinion on the best method of Asynchronous communication between R/3 and XI given the following assumptions:
     ABAP Proxies are not an option. SAP R/3 is version 4.6C with Basis 4.6D
     Standard IDocs are only available for a few of the interfaces (10%)
Options:
1.     Standard IDocs when available and custom IDocs for other interfaces.
Pros
     Guaranteed one-time delivery
     Record of data sent from R/3
     Performance is manageable at multiple stages
     Excellent monitoring, and retry ability
Cons
     Requires creating custom IDocs
2.     Transactional RFCs
Pros
     Guaranteed one-time delivery (with tRFC)
     Faster to implement than custom IDocs
Cons
     No record of data sent from R/3
     Performance isnt as manageable as with IDocs
     Limited ability to monitor and retry
Points will be rewarded...
Thanks,
Jesse

Jesse,
I think the best option is to use RFC adapter for your requirements where the standard IDoc is not available.
The reason for this is, someone needs to develop ABAP function modules for RFC as well as IDocs. If it is a custom IDoc, then you have to create custom IDocs and all of its components (segments, IDoc types, Message types, partners, process codes etc.) to execute a function module which is a custom code. Instead of going through all this hassle, better use RFCs.
In some cases you need to use IDoc where you want to reprocess the data instead of getting it from the source again.
If you need more information let me know.
regards
Shravan

Is in PI7.1 possible asynchronous communication between SOAP and ABAPProxy?

Hi,
when method execute_asynchronous has disapeared since XI/PI 7.1, is
there still way how to use ABAP proxy in asynchronous way?
We need to build asynchronous connection SOAP->PI->ABAP_Proxy.
In PI, both interfaces are defined as asynchronous (outbound for SOAP and
inbound for ABAP Proxy).
Despite of this fact, when message is sent, it is processed
synchronous way.
I have set breakpoint in my implementation of method for ABAP Proxy
message processing. When message is sent and breakpoint is reached,
whole connection stays open (between SOAP and PI and between PI and
ABAP Proxy) and waits for processing method (the breakpointed one) to
return. Only when processing method returns, is connection finelly
closed.
If i understand it correctly, this is synchronous behavior. In
asynchronous behavior, as i understand it, should be connection
between PI and ABAP Proxy of application server closed immediately
after message has been delivered. This mean before my processing
method is even called.
The same could be said about SOAP and PI communication. Connection
should be closed immediately after PI has received message. From
definition of asynchronous communication of PI is obvious, that PI
should receive message correctly and close connection to sender system
even when receiver is unreachable. It should deliver message later
when, receiver system is back on line. So why it keeps connection to
sender system open while it waits for receiver?
Why is this happening, when both interfaces are defined as
asynchronous? Could be the reason for this, if APPLICATION
ACKNOWLEDGEMENT is set on by default? If so, how can i change it
to SYSTEM ACKNOWLEDGEMENT, or disable it at all?
Or is this kind of asynchronous communication even possible since
XI/PI 7.1 ?
Processing of message we are sending can take some time, so we dont
want connection pending open while waiting for finish of
processing. Thats the reason why we have chose asynchronous model to
use.

Quote from How to Use the J2EE SOAP Adapter:
"If you select Best Effort, the Web service client will receive a response
message in the SOAP body. Otherwise, the Web service client will not receive a
response message if no error occurs."
"if no error occurs" - that is the problem. In either case he still
waits if some error occure or not. I dont want it. Once PI has
received message, I want the connection with sender to be closed. If
there will be error in communication between PI and reciever, I want
to see it only in PI log. That mean no notification to sender to be
send about that error.
Is that possible?

Synchronous and asynchronous communication tcp/ip

Hello all:
it is common to make synchronous communication between client and server by socket tcp/ip. But I'm needing now to establish an asynchronous communication. I mean:
0.- The server is a multithread process that has the property to establish one connection for each client that wants to send him messages.
1.-The client process sends message permanently to server.
2.- The server processes the request, but don't have to respond to the client.
3.-Only when the user want it, he sends messages to client by web application reusing the same communications that are opened between client and server process.
I hope to explain my problem.
Regards.

Hello all:
it is common to make synchronous communication
between client and server by socket tcp/ip.A socket tcp/ip can be synchronous or asynchronous or both.
But I'm needing now to establish an asynchronous
communication. I mean:Is this purely asynchronous or can it be either.
0.- The server is a multithread process that has the
property to establish one connection for each client
that wants to send him messages. Fine, any mode would be okay.
1.-The client process sends message permanently to server. By permanently do you mean;
- it is deleted from the client,
- it is store on the server is a write once read many media. i.e. it is permenetly on the server and cannot be deleted/altered.
2.- The server processes the request, but don't have to respond to the client.The server should never have to respond to the client. e.g. the server can go down so the client nees to live with the possibility it won't get a reply.
Synchronous or Asychronous describes how the reply is send. No reply means it is neither.
3.-Only when the user want it, he sends messages to client by web application reusing the same communications that are opened between client and server process.Are you using socket or a web application server ie. HTTP.
You wan to be able to reuse the connection. You can do this in any of the case mentioned so far.
>
I hope to explain my problem.I hope you will explain your problem too.

Intermittent problems with a RFC receiver communication channel.

Hello.
I want to know how to get the total channel history for a RFC receiver communication channel (in RWB only last 5 calls are available).
We use this communication channel in a java mapping to run a RFC of the abap engine of XI. Sometimes the rfc doesn't work and mapping throws a mapping transformation exception. Then, without a modification, we reprocess the message in SXMB_MONI and it is processed without errors. We think that it could be caused by a huge message volume.
How can I get the maximum number of rfc calls that the rfc communication channel can admit simultaneously. Which parameters have influence in these calls?
Thank you very much.
Alberto.

1. Increase the maximum connections
from help.sap.com
Additional Parameters
Parameter ~~~~ Entry
Maximum Connections ~~ Maximum possible number of initial connections required between adapter and sender system. This value is limited internally to a maximum of 50.
2. /people/community.user/blog/2006/09/21/xi-rfcadapter-reconnect-issue

Question on Asynchronous Communication

Hi all,
Tell me which of this is true
In SAP XI in async communication
1. We don't have a response message
2. We have a response message but we don't get it immediately(in that case how to check for this message)
I am asking this question because in normal programming(C#, Delphi etc) usually async communication means that the server will respond after it is done with processing and then throw a event which the client catches it and provides a handler for that event.

Hey Sonia,
your comment totally makes sense, because literally asynchronous means "not at the same time". So, an asynchronous communication should mean a message which is sent but whose response is not sent right away.
Also, strictly speaking, in any EAI-like program, to develop an asynchronous communication means to develop two 1-way communication. Of course, for a server system to send back information to a client system, there must be, in some point of time, an event generated by client system requesting that information (apart for some exceptions, such as the scheduled automatic scenarios, for example).
Hence, in EAI typical vocabulary, the action of developing an asynchronous communication means developing 1-way integrations (1 or more).
Regards,
Henrique.

J2EE asynchronous communication protocol

Hi
In my project, im supposed to program software agents and they are suppose to communicate to each other asyncrhonously. I need some directions to it as im quite new to J2EE stuffs and many of the java components.
eg like RMI, JMS, ...
Thanks

JMS (Java Message Service) is a standard for asynchronous communication via a message queue.
See http://java.sun.com/products/jms/index.html
Jesper

Adapter Engine NOT in the drop-down list - RFC adapter, Communication Chan

Hello XI Experts,
I recently installed IDES (ERP2005) along with XI (NW2004s). I carried out the post installation steps for XI. I set up XI (technical systems, business systems, etc).
I have started to create an RFC to File XI interface. I have carried out the necessary steps in the Integration Repository and am now setting up the scenario, etc in the Integration Directory.
I have reached the stage of creating the communication channel of type RFC for the sender system. However, when I do this, the adapter engine is empty i.e. there are no possible entries in the drop-down list. I was expecting to see "Integration Server" as a possible entry.
Could someone advise me on what I may have missed which leads to this problem?
Thanks and regards,
Nicholas.

Hi,
You have to get the SWCV from SAP market place.
Support Packages and Patches -> SAP NetWeaver -> SAP NETWEAVER -> SAP NETWEAVER 2004S -> Entry by Component -> Content PI/XI
XI CONTENT SAP_BASIS 7.00 / 6.40
You have to upload the file in the Integration repository
Best regards
Omar

RFC error communication exception

Hi all,
My scenario is Jdbc -- XI -- RFC(Z_BAPISALESORDER with two BAPI's 1.BAPI_SALESORDER_CREATEFROMDAT 2.BAPI_TRANSACTION COMMIT).
I am using RFC reciever adapter.While configuring the RFC adapter I have two options.
1.SAP system 2.External RFC server
If i select SAP system , I did not get any errors.It is showing successful message in SXMB_MONI and also in RWB. But Sales order is not created.
Message in RWB ...
.>RFC adapter received an asynchronous message. Attempting to send tRFC for Z_SALESORDERCREATEFROMDAT_XI with TID XIWVaSqBlY4TccBW0GtFmRhW
.>The message status set to DLVD.
.>The message was successfully delivered to the application using connection AFW.
But If i use External RFC system, I am getting excepion.In RWB it is showing following excetion.
...>Exception caught by adapter framework: error while processing message to remote system:com.sap.aii.af.rfc.core.client.RfcClientException: could not get a client from JCO.Pool: com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: CPIC-CALL: CMRCV LOCATION CPIC (TCP/IP) on host sapx
...>Delivery of the message to the application using connection AFW failed, due to: error while processing message to remote system:com.sap.aii.af.rfc.core.client.RfcClientException: could not get a client from JCO.Pool: com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: CPIC-CALL: CMRCV LOCATION CPIC (TCP/IP) on host sapx.
which option is used for calling the BAPI to create the sales order?
Could anybody help me out...?
Thanks,
sekhar.

Try this code. This works perfectly for us:
CALL FUNCTION 'BAPI_SALESORDER_CREATEFROMDAT2'
EXPORTING
SALESDOCUMENTIN = SALESDOCUMENTIN
ORDER_HEADER_IN = ORDER_HEADER_IN
ORDER_HEADER_INX = ORDER_HEADER_INX
SENDER = SENDER
BINARY_RELATIONSHIPTYPE = BINARY_RELATIONSHIPTYPE
INT_NUMBER_ASSIGNMENT = INT_NUMBER_ASSIGNMENT
BEHAVE_WHEN_ERROR = BEHAVE_WHEN_ERROR
LOGIC_SWITCH = LOGIC_SWITCH
TESTRUN = TESTRUN
CONVERT = CONVERT
IMPORTING
SALESDOCUMENT = SALESDOCUMENT
TABLES
RETURN = RETURN
ORDER_ITEMS_IN = ORDER_ITEMS_IN
ORDER_ITEMS_INX = ORDER_ITEMS_INX
ORDER_PARTNERS = ORDER_PARTNERS
ORDER_SCHEDULES_IN = ORDER_SCHEDULES_IN
ORDER_SCHEDULES_INX = ORDER_SCHEDULES_INX
ORDER_CONDITIONS_IN = ORDER_CONDITIONS_IN
ORDER_CONDITIONS_INX = ORDER_CONDITIONS_INX
ORDER_CFGS_REF = ORDER_CFGS_REF
ORDER_CFGS_INST = ORDER_CFGS_INST
ORDER_CFGS_PART_OF = ORDER_CFGS_PART_OF
ORDER_CFGS_VALUE = ORDER_CFGS_VALUE
ORDER_CFGS_BLOB = ORDER_CFGS_BLOB
ORDER_CFGS_VK = ORDER_CFGS_VK
ORDER_CFGS_REFINST = ORDER_CFGS_REFINST
ORDER_CCARD = ORDER_CCARD
ORDER_TEXT = ORDER_TEXT
ORDER_KEYS = ORDER_KEYS
EXTENSIONIN = EXTENSIONIN
PARTNERADDRESSES = PARTNERADDRESSES
**checking if the BAPI returned some errors*****
LOOP AT return ASSIGNING <bapiret>.
IF <bapiret>-type = 'E' OR <bapiret>-type = 'A'.
success = space.
EXIT.
ENDIF.
ENDLOOP.
IF success = 'X'.
****in case of success commit the BAPI*********
CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
EXPORTING
wait = 'X'
IMPORTING
return = wa_bapiret.
ELSE.
ROLLBACK WORK.
ENDIF.
Also you need to pass on the information for "inx" structures. What I mean is , if you are sending data to field REF_1 in header_in, then ref_1 in header_inx needs to be passed witha value of 'X'.
The update flag in inx structure needs to be 'C' for create.
If have items in your sales order, then you have to pass the values for item_in and item_inx. Additionally you need to pass values for schedule lines also.
Hope this helps.
Thanks,
Bhaskar

RFC Sender Communication Channel is not Working Properly

Hi All,
I had a Small Problem.
I had configured RFC Sender in Asyn mode as given in Weblog 5398
The Scenario is working fine for 1 time, after the execution the Communication Channel should be made Active again to make it work for the next time.
For every time to Execute the Scenario i had to Activate the RFC CC.
It is some complicated one. So any one please suggest me what can be done to Resolve the issue.
Thanks in Advance.
Sriram

Hi Bhavesh,
when we test RFC connection it is Failing and giving this error
Error Details     ERROR: timeout during allocate of registered program
Error Details     LOCATION: SAP-Gateway on host p162845 / sapgw00
Error Details     DETAIL: TP Flightdatasender init/busy for more than 60 sec
Error Details     COMPONENT: SAP-Gateway
Error Details     COUNTER: 31415
If I Activate the RFC sender CC.It is working again.
After 1 Execution.It is throwing this error.
I even added Name as 'jco.server.max_startup_delay' and Value '1000' in advanced Mode of RFC sender CC.
Please suggest me.
Thanks in Advance.
Sriram

Synchronous and asynchronous communication

Hi all
i am very new to jms and java. I have the task of developing an application for communication for a global company. The application must support most if not all of the following features:
-synchronous messages
-Asynchronous ('offline') messages
-Authentication/identification
-Saving a log of all conversations
-Conference rooms
-Secure (encrypted) communication
-User information database (e.g. postal addresses, email addresses, -pictures, etc)
-Sophisticated GUI
-Resilience to network breakdown
-Multimedia messages (styled text, pictures, file attachments)
-Shared document editing
-Shared whiteboard facility
what can I use to develop this application...will JMS be able to do this??
thank you

This appears to be more like a user coomunication application. I would look for the architecture of commonly available instant messaging applications, such as MSN, Yahoo, Jabber.
I would think of JMS to be used for transmitting business messages, like stock quotes, etc. Creating a PTP connection or a Topic in a pub-susb message would be an over-kill for such a usage scenario.

Asynchronous Communication fails

Hi,
I am using Visual Basic.NET 2003 and measurement studio together with National Instruments NI-VISA(TM) Software for Windows. Version 3.0.
Synchronous communication with GBIP instrument (ESG E4438C from Agilent) works fine but I have a problem with asynchronous I/O.
I always get an error like "Unable to queue the asynchronous operation (usually due to the I/O completion event not being enabled or insufficient space in the session's queue)."
What went wrong?
Here is my code:
Private Sub btGo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btGo.Click
AxCWVisa.RsrcName = "visa://149.204.55.39:3537/GPIB0::19::INSTR"
AxCWVisa.Open()
AxCWVisa.WriteAsync("*idn?")
End Sub
Private Sub AxCWVisa_IOC
ompletion(ByVal sender As Object, ByVal e As AxCWVisaLib._DCWVisaEvents_IOCompletionEvent) Handles AxCWVisa.IOCompletion
MsgBox("IO completed")
End Sub
I have tried to Enable Events
AxCWVisa.EnableEvent(CWVisaEventTypes.cwvisaEventIOCompletion)
but all without success.
Thank you for your help,
Markus

Hi Dan!
Thank you for your answer.
I have tried again the EnableEvent method but this fails. Here is my code:
AxCWVisa.RsrcName = "visa://149.204.55.39:3537/GPIB0::19::INSTR"
AxCWVisa.Open()
AxCWVisa.EnableEvent(CWVisaEventTypes.cwvisaEventIOCompletion)
After calling the EnableEvent method I get an exception with the following message:
"Additional Information: Configuring Device
The specified mechanism is not supported for the given event type."
Since this is visaconnection across a network I have tried the asynchronous access at the local maschine - but with the same error message. So the network access should not be the problem.
Using NISpy I get the following Info:
1. viOpenDefaultRM (0x001AEC58)
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:12.838 Call Duration: 00:00:00.421
Status: 0 (VI_SUCCESS)
2. viParseRsrc (0x001AEC58,"visa://149.204.55.39:3537/G...",1 (0x1),0 (0x0))
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.259 Call Duration: 00:00:00.110
Status: 0 (VI_SUCCESS)
3. viClose (0x001AEC58)
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.369 Call Duration: 00:00:00.000
Status: 0 (VI_SUCCESS)
4. viOpenDefaultRM (0x001AEC58)
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.369 Call Duration: 00:00:00.000
Status: 0 (VI_SUCCESS)
5. viOpen (0x001AEC58,"visa://149.204.55.39:3537/G...",0 (0x0),0 (0x0),0x001DD1E0)
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.369 Call Duration: 00:00:00.219
Status: 0 (VI_SUCCESS)
6. viSetAttribute (0x001DD1E0,0x3FFF001A,2000 (0x7D0))
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.588 Call Duration: 00:00:00.000
Status: 0 (VI_SUCCESS)
7. viSetAttribute (0x001DD1E0,0x3FFF0005,5000 (0x1388))
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.588 Call Duration: 00:00:00.000
Status: 0 (VI_SUCCESS)
8. viSetAttribute (0x001DD1E0,0x3FFF0007,0 (0x0))
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.588 Call Duration: 00:00:00.000
Status: 0 (VI_SUCCESS)
9. viSetAttribute (0x001DD1E0,0x3FFF0177,-1 (0xFFFF))
Process ID: 0x00000A40 Thread ID: 0x000009D8
Start Time: 09:54:13.588 Call Duration: 00:00:00.000
Status: 0 (VI_SUCCESS)
> 10. viSetAttribute (0x001DD1E0,0x3FFF0021,9600 (0x2580))
> Process ID: 0x00000A40 Thread ID: 0x000009D8
> Start Time: 09:54:13.588 Call Duration: 00:00:00.000
> Status: 0xBFFF001D (VI_ERROR_NSUP_ATTR)
> 11. viSetAttribute (0x001DD1E0,0x3FFF00B3,2 (0x2))
> Process ID: 0x00000A40 Thread ID: 0x000009D8
> Start Time: 09:54:13.588 Call Duration: 00:00:00.015
> Status: 0xBFFF001D (VI_ERROR_NSUP_ATTR)
Any idea what went wrong?
Thank you for your help!
Markus

Asynchronous communication using HSDIO

All-
I am trying to create an application for asynchronous serial communication using a PXI-6541 HSDIO card. I have one RX and one TX line to/from the device I'm trying to communicate with. The device uses 25-bit words with the first 3 bits representing "labels" or commands. There are only 7 labels that can be transmitted to the device and 2 that the it uses in response. I currently have a sniffer set up so I can monitor the 2-way communication. I am oversampling the data in WDT for viewing purposes but I am having a hard time extracting the data into something useable. Has anyone used HSDIO for asynchronous communicaton and if so, can you send me some examples on how you triggered the data?
The serial bus is similar to Arinc429 http://en.wikipedia.org/wiki/ARINC_429 if that helps. Any suggestions are appreciated.
Thank you!
-Jason

I was wondering, have you taken a look at the built-in examples under LabVIEW»Help»Find Examples»Browse»Hardware Input and Output»Modular Instruments»NI-HSDIO (High-Speed Digital I/O)? Under the Demo folder, there's one example called Dynamic Acquisition Hardware Start Trigger.vi. It has a pattern match start trigger option.
Just a thought...
Nathan S.
Applications Engineer
National Instruments

RFC Asynchronous

Hello,
Is it possible to use correlation with Asynchronous RFC (EOIO or EO) ?
Or the only way to get the return message is use synchronous RFC ?
Thanks,
Regards.
Chris

about the rfc call:
http://help.sap.com/saphelp_nw04/helpdata/en/22/042578488911d189490000e829fbbd/frameset.htm
about the correlation:
http://help.sap.com/saphelp_nw04/helpdata/en/a5/64373f7853494fe10000000a114084/content.htm
about the RFC adapters:
http://help.sap.com/saphelp_nw04/helpdata/en/33/c6e63b60c25767e10000000a11402f/frameset.htm
Regards,
Michal Krawczyk
https://www.sdn.sap.com/sdn/weblogs.sdn?blog=/pub/u/34500 [original link is broken] [original link is broken] [original link is broken] [original link is broken] [original link is broken] [original link is broken] [original link is broken] [original link is broken]

RFC Asynchronous communication

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