RFC function module Structure compatibility

Dear Friends,
I have one funcion module defined in R/3 system which I need to call from my EBP system.
The Function module has importing parameter of the type /ZLCRD/TAX_PROCESSING_DATA, which has been created in R/3.
If I try to create the similar structure in EBP, it says name space does not exist. Any idea about how this would have been created?
Also, if I simply define a structure with the normal z name with exactly same fields, in the same order in EBP system and pass this as the exporting parameter while calling the RFC enabled function module, would that be a problem?
Please help!
Thanks
Veena

Hi Veena,
Here ZLCRD is the name space. This is like a package in java, in case you are familiar with Java or it is like name spaces in XI, if you know XI.
Such name spaces have to be created by BASIS with permission from SAP.
Ideally it should not give an error if the data types match but it may give an error in case actual type names are compared. I'm not quite aware of EBP system.

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Passing the structure to rfc function module

hi,
iam having a rfc function module which is importing structure.
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how can i pass that field value to that structure.
it is very urgent.
thanks in advance

Hi..
You have to Declare the ACTUAL PARAMETER (workarea) with the Same Structure as that of the FORMAL PARAMETER.
but you can fill only the FIELD that you want pass in the workarea and pass it to the RFC.
<b>Reward if helpful.</b>

Get interface of RFC function modules in a remote system

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my goal is to write a report which checks if DDIC structures in two systems fit together when I use RFC`s.
I have the destination and the name of the RFC.
Can somebody tell me if I can get a list of the Importing/Exporting Parameters of this RFC? Maybe even with a typedescribtion?
Thanks for you help.
Best regards
Lars
Edited by: Lars-Eric Biewald on May 21, 2008 8:39 AM

Hello ,
Thank you for your quick help.
Here I have 3 ECC 6 system .
1 Central systen
2 Slave system
Data will be updated to 2 slave system using RFC function module .
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RFC Function module-With Only Request message

Hi
i need a RFC with only Request message and Response message is not required.
please help me, how to create a RFC function module with out Response message, and it should contain only Request message.
i have created RFC in this way:
RFC doesn't contain neither import nor export parameters. and i have defined one table in TABLE tab which refers to a ztable created already.
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Rajesh

Thankx Michal,
I have written ZRFC this way:
insert ZMM_AUTO_GR from INPUT_TABLE .
if sy-subrc = 0.
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else.
rollback work.
im not using neither import nor export parameters..but using only tables parameters. but when imported in XI im getting same table structure in both request an response.
please suggest what changes required in above code to invoke my ZRFC in async way.
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Regards,
Rajesh.

RFC Function module is not working in program while Background

Hi All,
we have a one program in BI system which is calling RFC function module. it is executing the program in foreground very well. Same program we have executed in background , it is not working at all. Thiis RFC function module exists in R/3 4.6c system.

Hello Raju,
Transactional call of a remote-capable function module specified in func using the RFC interface. You can use the addition DESTINATION to specify an individual destination in dest. If the destination has not been specified, the destination NONE is used implicitly. Character-type data objects are expected for func and dest.
When the transactional call is made, the name of the called function, together with the destination and the actual parameters given in parameter list, are registered for the current SAP LUW in the database tables ARFCSSTATE and ARFCSDATA of the current SAP system under a unique transaction ID (abbreviated as TID, stored in a structure of type ARFCTID from the ABAP Dictionary, view using transaction SM58). Following this registration, the program making the call is continued by way of the statement CALL FUNCTION.
When executing the COMMIT WORK statement, the function modules registered for the current SAP LUW are started in the sequence in which they were registered. The statement ROLLBACK WORKdeletes all previous registrations of the current SAP LUW.
If the specified destination is not available for COMMIT WORK, an executable called RSARFCSE is started in the background. This attempts to start the functional modules registered for an SAP LUW in their destination, every 15 minutes up to a total of 30 times. You can make changes to these parameters using transaction SM59. If the destination does not become available within the given time, this is noted in the database table ARFCSDATA as a CPICERR entry. By default, this entry in database table ARFCSSTATE is deleted after 8 days.
Thanks and Regards,
SAP Shori

ABAP Function Module structure understanding

Hi Friends,
I am trying to understand the function module structure.
I am invoking RFCs using SAPJCO API.
Some questions in understanding parameter types:-
In the export parameter, I see the field as structure, simple data type, etc.
for one field when I click on type, it says its of Line Type, then further when I click on line type field value, it says its a structure.
**What is Line type? it has structure inside.
**Can a structure has multiple cardinality?I mean can a strucure contain multiple rows of data?
structure can another structure, etc. so I have to check on my SAPJCO API side, that if a structure contains anotehr structure, etc.
Thanks!

Hi Max, thanks for the reply.
I am making it generic to invoke any RFC.
so The question is raised based on this:
If ZRFC contains some strucuture does it mean to be single cardinality ormultiple cardinality.
lets say Structure S1 containes F1
S1 contains F1, F2, S1a
S2 contains F1, F2 , T2a
here:-
F = Field
S = strucuture
T = table
so, what should be the cardinality for these types? should I say cardinality for S1 should be single and for S2 it should be multpiple?
and:
what is the cardinality of a structure in general ? can it be mutlple cardinality type?
I need to know the cardinality type before having data inside it, as I want to understand the metadata of an RFC.

Regarding RFC Function module in Multimapping

Hi All
I am trying to use RFC function module in Multimapping at target side.I want to call RFC Function based on some condition, if condition fails i dont want to call the Function Module. So i need to change the occurance of target RFC Message to 0...1 When
i try to change occurance in messages tab, it is displaying message that RFC Function module not found. When i change
occurance to 1..1, then it is showing RFC structure in mapping properly. I am suspecting why it is behaving like this.
Can we use RFC Function Module in Multimapping??. Please share ur experience on this.
Thanks,
Balu

Hi,
Can any body cofirm how below sender message will behave in Interface Determination,
<?xml version="1.0" encoding="UTF-8"?>
<ns0:MT_FILE1 xmlns:ns0="http://ctrlanddataconceptsinglereceiver">
<Structure>
<***>male</***>
   <ID>12</ID>
   <Desig>cons</Desig>
   <Sal>1000</Sal>
</Structure>
<Structure>
<***>female</***>
   <ID>12</ID>
   <Desig>cons</Desig>
   <Sal>1000</Sal>
</Structure>
</ns0:MT_FILE1>
In my interface determination, i will add 2 inbound interfaces and two mappings.
For first interface i will check condition like if Structure/***=male then it has to goto one receiver agreement
For second interface i will check condition like if Structure/***=female, then it has to goto another receiver agreement.
But in my sender payload *** is male and female also. Will it execute 2 receiver agreements???.
My openion is it will go through 2 interface mappings and it will execute 2 receiver agreements.
Thanks,
Balu.

Can we write leave program syntax in RFC function module.

hello friends,
can we write leave program syntax in RFC function module. Iam developing RFC Function module .
useful answers will be awarded..
Regards
Kanth
Edited by: Kanth on Mar 30, 2008 11:38 PM

Don't use leave program in RFC function module. You can better use EXIT or RETURN. But when developing RFC modules you should use the return structure BAPIRET2 to store message generated in the calling system. So when you use EXIT or RETURN, first give a message so the calling program knows why the RFC module was exited.

Table type in import parameter in rfc function module

Hi we don't have the table type in our system which exist in the other system which is the import parameter of the rfc function module.so how can we pass the parameter. shell we create the same table type in our system also.it is a table type for a deep structure.

Hello,
I donot have access to CRM box I cannot view the FM. You can verify with the CRM counterpart what exactly is the TYPE for param DATA.
Else you can define a generic internal table (TYPE TABLE) & try calling the FM.
BR,
Suhas

How to create RFC function module and how to call this function module

Hi,
i want to know step for creating RFC function module and then How to use this function module from some other sap system.
Thnaks,
jigar

Jigar,
To implement a remote function module in ABAP, perform the following steps:
Register the module as remotely callable in the RFC server system.
In the function module Administration screen (transaction code SE37), set the field Can be called via REMOTE CALL. Registering a module as remote causes an RFC stub to be generated for it.
Write the code for the function module.
Create the destinations.....................
Displaying, Maintaining and Testing Destinations
To display, create or modify destinations, choose Tools ® Administration ® Administration ® Network ® RFC destinations or enter transaction code SM59.
Remote Destinations are stored in table RFCDES. The RFCDES table describes logical destinations for remote function calls.
It is not possible to maintain the RFCDES table directly.
You can also access logical destinations via the Implementation Guide (IMG) by choosing Tools ® AcceleratedSAP ® Customizing ® Execute Project ® SAP Reference IMG.
In the Implementation Guide, expand the following hierarchy structure:
Basis
Application Link Enabling (ALE)
Sending and Receiving Systems
Systems in Network
Define Target Systems for RFC Calls
Displaying Destinations
The initial screen for this transaction displays a tree:
Different connection types (i.e. partner systems or programs) are possible. For further information, see Types of Destinations.
To display all information for a given destination, double-click it, or place the cursor on it and press F2 .
To search for a destination, press the Find button and specify your selection. You get a list of all entries matching your selection. Place the cursor on the one you want, and press F2 or simply double-click the destination. All information for the given entry appears.
Creating Destinations
On the destinations overview screen (transaction code SM59), the connection types and all existing destinations are displayed in a tree structure.
All available connection types are explained in Types of Destinations.
To create a new RFC destination, press the Create button. A new screen is displayed with empty fields for you to fill in.
If you want to create a new destination
As you create a remote destination, you can specify a particular application server or a group of servers for a balanced distribution of system load.
For details of the destination parameters, see Entering Destination Parameters.
Changing Existing Destinations
On the destinations overview screen (transaction code SM59), the connection types and all existing destinations are displayed in a tree structure.
You can display all information for a given destination by double-clicking it or pressing F2 on it.
To change an existing destination, double-click it, or place the cursor on it and press the Change button.
For details of the destination parameters, see Entering Destination Parameters.
Testing Destinations
To test a destination, choose the appropriate function from the Test menu.
Connection (also available via the Test connection pushbutton)
Authorization (checks logon data)
Local network (provides a list of application servers)
You can use the CALL FUNCTION statement to call remote functions, just as you would call local function modules. However, you must include an additional DESTINATION clause to define where the function should run:
CALL FUNCTION RemoteFunction
DESTINATION Dest
EXPORTING
f1 =...
f2 =...
IMPORTING
f3 =...
TABLES
t1 =...
EXCEPTIONS......
The field Dest can be either a literal or a variable: its value is a logical destination (for example, "hw1071_53") known to the local SAP System. Logical destinations are defined in the RFCDES table (or the TRFCD table in R/2 Systems) via transaction sm59 or the following menu path: Tools ® Administration, Administration ® Network ® RFC destinations. You can also access logical destinations via the Implementation Guide (IMG) by choosing Tools ® Customizing ® Enterprise IMG. In the Implementation Guide, you can then choose Cross-application components ® ALE ® Communication ® Define RFC destination.
The remote function call concept, for example, allows you to access a function module in an R/2 System from an ABAP program in an R/3 System. If you want to read a customer record from your R/2 Systems database, create a remotely callable function module in the R/2 environment which retrieves customer records. Call this function from your R/3 System using a remote function call and listing the destination for the target R/2 System:
Pls. reward if useful

Call RFC Function Module and return 1000 records at a time

I would like to call a Remote Enabled Function Module from a non SAP system. This function module will select data from the database and return it to the calling program.
Suppose there are 100,000 records that need to be returned, but the calling module would like the data in chunks of 1000 records. Therefore the calling program would call the FM 100 times.
How do I code the function module to know on each subsequent call to grab the next chunk of 1000 records?
Let me know if additional information is needed.
Thanks,
Aaron

Hello,
Here is how you can go for this issue:
1. Create one RFC function module with following parameter. These parameters are with respective of chunking logic.
     Import: Package Size
     Export: Total number of records
     Changing: chunk count
Implement following logic:
1. First of you need to know how many chunks you need to fetch for that get the count of total number of records. This is one
    time activity so you better maintain one flag import parameter will be set to 'X' only first call.
2. Get the number of chunk using total number of records / chunk size for e.g. 1000 / 100 so chunk count = 10.
3. Define internal chunk counter in function module which will be used to locate the correct chunk depending on the chunk
    counter value sent from calling program.
4. Send first call with package size 100 and chunk count = 1, execute select statement and increment internal
    chunk count check if chunk count = internal chunk count in current case chunk count = 1 so exit select statement and return
    with first chunk.
5. Send second call with package size 100 and chunk count = 2. Execute select statement and check chunk count with internal
    chunk counter, in current case it will be 1 so skip that data and go for next chunk of 100 records increment internal chunk
    counter. In this case it will match with external chunk count = 2. load output table with that data and return to calling program.
6. Repeat step 4 until you reach last chunk.
You need to use SELECT...ENDSELECT with PACKAGE SIZE addition so for every loop it will return number of records mentioned in package size.
Hope this helps.
Thanks,
Augustin.

Using RFC Function Module to send data to NON SAP Application

Hi friends,
Please guide me how can I send data from SAP -> Dotnet Applcation using Dotnet Connector through RFC function module from SAP side. In my scenerio, I Run Z transaction to executte RFC function module which create some data to pass to dotnet connector.
Regards,
Rajesh Kumar

Hi,
You can make use of Dotnet connector to read the content of SAP RFC .. (eaiest of all)
The RFC can be executed using connector , and can read the data simultaneously.. u need to code in dotnet for this..
else create a webservice and read it from dot net ..
Regards
Renu Gusain
Edited by: Renu Gusain on Jan 25, 2010 12:55 PM

How to debug a RFC function module remotely from another R/3 system?

Hi experts,
   I have RFC function module in one R/3 system. I am calling this from another R/3 system that is cross apps (Xapps).
   This function module is Synchronous.
Is it possible to debug this function module from cross apps?
Can somebody give me the steps?
Thanks & Regards
Gopal

Hi Shree,
   Can you explain it bit more?
   Do I have to call the function module with "IN BACKGROUND TASK"?
   Or is it that I have to just put external breakpoint in the function module?
   Please help
Thanks
Gopa

Is it possible to call custom designed RFC function module, apart from BAPI

Hi Friends,
1. Is it possible to call custom designed RFC function module, apart from BAPI.
2. Why we call it Adaptive RFC layer, Since every time the JCO layer updated with SAP, Why cant be dynamic.
Thanx for Ur time.
Cheers,
Sam

Also check <a href="http://help.sap.com/saphelp_nw04/helpdata/en/41/38bc8f813719488ddc9d9b21251ec3/frameset.htm">here</a> for more information on aRFC. Here you can find why it is called adaptive.
Regards,
Christophe

Problem while calling an RFC Function Module in Background

Hello,
I have created a RFC function module for reading data from an external DB system. The FM calls an external RFC program (coded in C++ using RFC SDK), which delivers the required data. This external program is maintainged as an TCP RFC Connection in SM59.
Further I have created a report, that calls the RFC function module to get the data from the external RFC programm.
My problem is, when I call the report in foreground, everything works OK, the RFC connection works and data can be read from the external program.
However, when I schedule the report to run in background as a job, the report is stating in the protocoll that there was a problem calling the defined RFC connection (although the connection is working properly at that time).
More funny is, this particular problem with running in background occurs only in the productive system, in test and development system the report works correctly also while running as a job in background.
Can you suggest the solution to this problem? Could it be something with authorisations or server settings?
I will be on holiday for the next 6 weeks, so take your time to answer .
Regards,
Dusan.
Edited by: Julius Bussche on Jan 22, 2009 7:19 PM
Please read the forum rules about u r g e n t ...

This is an external RFC server program, not a remote enabled ABAP RFC function module as the others seem to be assuming, right?
Is it possible that your DEV and QAS systems only have one application server, but the PROD has many and dedicated one(s) for processing low priority background jobs?
It might be that the target server of your TCP connection is not this BTC instance, and your RFC server is returning the data "locally" - so, into nirvana...
Just guessing, but might be worth checking.
Cheers,
Julius

RFC function module Structure compatibility

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