Commit Handling for Synchronous Write Scenarios

Hello gurus,
I have to use syncronous interfaces between SAP and custom UI application. SAP will both be client and server in different scenarios. I would like to know how I can achieve consistency for write operations with commit handling mechanisms, both for PI 7.0 and PI 7.1. Proxies will be used on SAP side.
All helpful hints/linkd/docs will be very much appreciated and rewarded.
Thank you for your input.
Gökhan

Hi Gokhan,
I believe you refer to the server proxy coding where the write operations are performed.
If you are using ABAP server proxy, then the coding should be similar to the way you handle SAP LUW in any ABAP program. In the method of your ABAP proxy class, you can group several BAPI calls or changes to several tables into one LUW and just the do the commit at the very end.
You need to create update FM to updae your tables and call them in update task mode.
For example.
LOOP AT <your incoming message table>
CALL <BAPI> IN UPDATE TASK
CALL <custom FM to update tables> IN UPDATE TASK
ENDLOOP.
CALL BAPI_TRANSACTION_COMMIT.
Regards,
Lim...

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Commit Handling In RFC adapter

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Hi ,
From documentation
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SAP PI conceptual best practice for synchronous scenarios

Hi,
 Apologies for the length of this post but I'm sure this is an area most of you have thought about in your journey with SAP PI.
 We have recently upgraded our SAP PI system from 7.0 to 7.1 and I'd like to document best practice guidelines for our internal development team to follow.
I'd be grateful for any feedback related to my thoughts below which may help to consolidate my knowledge to date.
 Prior to the upgrade we have implemented a number of synchronous and asynchronous scenarios using SAP PI as the hub at runtime using the Integration Directory configuration.
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 3) Use the backend system's SOAP runtime and SOAMANAGER. Using this option I can still model inbound interfaces in SAP PI but expose these using transaction SOAMANAGER in the backend ABAP system. [I would have tested out the direct P2P connection option but our backend systems are still at Netweaver 7.0 and this option is not supported until 7.1 so that's out for now.] The clear benefits of exposing the service directly from the backend system is obviously performance which in some of our planned processes would be desirable. My understanding is that the logging/tracing options in SOAMANAGER have to be switched on while you investigate so there is no automatic recording of interface detail for retrospective review.
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 I have the feeling that there is no clear cut answer to which of the options you select from above but the decision should be based upon the requirements.
 I'm curious to understand SAPs intention with these options -
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Edited by: Alan Cecchini on Aug 19, 2010 11:48 AM
Edited by: Alan Cecchini on Aug 19, 2010 11:50 AM
Edited by: Alan Cecchini on Aug 20, 2010 12:11 PM

Hi Aaron,
I was hoping for a better more concrete answer to my questions.
I've had discussion with a number of experienced SAP developers and read many articles.
There is no definitive paper that sets out the best approach here but I have gleaned the following key points:
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- It is the responsibility of the client to handle errors in synchronous scenarios hence monitoring lost through P-P services compared to the details information in transaction SXMB_MONI for PI services is not such a big issue. You can always turn on monitoring in SOAMANAGER to trace errors if need be.
- Choice of integration technique varies considerably by release level (for PI and Netweaver) so system landscape will be a significant factor. For example, we have some systems on Netweaver 7.0 and other on 7.1. As you need 7.1 for direction connection PI services we'd rather wait until all systems are at the higher level than have mixed usage in our landscape - it is already complex enough.
- We've not tried the AAE option in a Production scenarios yet but this is only really important for high volume interfaces, something that is not a concern at the moment. Obviously cumulative performance may be an issue in time so we plan to start looking at AAE soon.
Hope these comments may be useful.
Alan

An exception handler is obligatory for synchronous RFC communication

I am getting the error "An exception handler is obligatory for synchronous RFC communication" when I try to activate an Integration Process. Under a synchronous Send step, under Exceptions, I have System Error and the RFC.Exception Application Error to be handled. For both I have given the same Exception handler block. Is this not allowed? Why am I not able to go to same Exception handler block in case of both System Error as well as Application Error?
Thanks

you are right, it was erroring out due to the next step. Now if there is system error or exception, it will go to the exception branch. Here I need to have the ability to restart the process from this point after being alerted and having fixed the issue. So I am thinking of doing the send step again in the exception branch. But since the application error initially will exist soon after the alert is issued, this step will complete as I cannot handle application error a second time (this is where it was giving that error that exception handler was mandatory).
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Multimapping for Synchronous interfaces.

Hi,
Is it possible to do multi mapping for synchronous interfaces.
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Hi Soumya,
i dont think so ...if you think theroitically. you are doing multimapping where u have a N:M relation... so it will be difficult match the respose directly.
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Exception handling in synchronous client proxy

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Hi Mark,
You have a link here How to handle CX_AI_SYSTEM_FAULT in RFC - Code Gallery - SCN Wiki or here https://help.sap.com/saphelp_nw04/helpdata/en/75/a55c3cff8ca92be10000000a114084/content.htm
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Hope this helps.
Regards.

Specify handler for a logger in properties file

Hello All,
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Well, after failing to assign a handler to a specific logger, I checked the LogManager source code and, alas, it only supports assigning handlers to the root logger.
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Make asynchronous event handler as synchronous using Powershell

Hi All,
Using custom coding i am able to change the asynchronous event handle to synchronous.
Can anybody let me know Is there any other way to change the same. Like Powershell script or any.
Without deploying the solution i want to change the event handler type.
Please advice.
Thanks & Regards
MD.Liakath ali

Hi
you can use power shell to do so
Add-PSSnapin Microsoft.SharePoint.PowerShell –erroraction SilentlyContinue
$web = Get-SPWeb -Identity http://...
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this should be done at each level where list is present.
or you can Edit the Elements.xml file of the event receiver in(14 hive layouts/feature folder) and set the synchronization element as below..
<Synchronization>Synchronous</Synchronization>
Synchronous</Synchronization> https://naimmurati.wordpress.com/2012/03/22/add-modify-or-delete-list-event-receivers-with-powershell/">https://naimmurati.wordpress.com/2012/03/22/add-modify-or-delete-list-event-receivers-with-powershell/
Regards,
Rajendra Singh
If a post answers your question, please click Mark As Answer on that post and Vote as Helpful
http://sharepointundefind.wordpress.com/

An event handler for several subclasses.

I've been trying to write an event handler that is parameterized by a window
being passed to it. The event handler is intended to handle the exception event
that occurs when the window completes. I have had problems trying to write this.
The scenario is as follows.
I have a task that listens to events that respresent requests for a window being
opened. On receiving these, it starts the window, also as an asynchronous task.
The windows that may be opened (say window classes B, C, and D) are all
subclasses of window class A. The event handler that I register for (after
instantiating the window) takes a window of class A as parameter. It responds to
the exception events for the Display() method of window passed in.
Now the problems I have encountered are as follows :
To allow the event handler to respond to the exception event of a window of
class A, class A has the exception event defined for it. To allow me to start a
window of class B where completion = event, I also have to define the same
exception event. This hides the return and exception for class A. The
implications of this in the event handler is that the event cannot be trapped
unless I cast the parameter passed in into class B on the ' when return_event '
line. This makes the event handler specific to class B.
(This situation is also presumable caused by the fact that each subclasses
overrides the Display method of window class A, and the exception event is
defined for the Display method.)
An alternative approach I tried was using interfaces. I defined the exception
event as an event on an interface. This was defined with the same parameters as
the exception events of classes B, C, and D would have (ie. the exception
event had two parameters - one of type GenericException, and one of ErrorMgr). I
then made classes B, C, and D implement the interface. The event handler
parameter would be the interface rather than class A. However class B would not
compile as the GenericException parameter for the event in the interface uses
the input mechanism, but the GenericException parameter for the exception event
in the display event of classes B, C, and D uses copy input. I have ben unable
to find a way to change the mechanism for event parameters.
Has anybody got any ideas as to how I may be able to achieve the goals of an
event handler that can respond the exception event of a number of subclasses.
Thanks
Steve Elvin
Systems Developer
Frontline Ltd.
UK.
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>

Steve,
Try this. Have a method in your super class A , say StubDisplay
which processes the event loop.
Also make this method return Exception and/or completion events you
desire.
Instead of overriding Display() in your sublclasses, override this
StubDisplay method.
You need not have to redefine the exception/completion events in
your sublclasses B,C ..because they naturally inherit from the super class
A.
Using interfaces may not be a good idea in this case because, you
will be forced to implement them in your subclasses even if you dont
need them in some specific cases.
Good luck!
Ajith Kallambella M.
Forte Systems Engineer,
Internationational Business Corporation.
From: [email protected][SMTP:[email protected]]
Reply To: [email protected]
Sent: Wednesday, May 13, 1998 4:42 AM
To: [email protected]
Subject: An event handler for several subclasses.
I've been trying to write an event handler that is parameterized by a
window
being passed to it. The event handler is intended to handle the exception
event
that occurs when the window completes. I have had problems trying to write
this.
The scenario is as follows.
I have a task that listens to events that respresent requests for a window
being
opened. On receiving these, it starts the window, also as an asynchronous
task.
The windows that may be opened (say window classes B, C, and D) are all
subclasses of window class A. The event handler that I register for (after
instantiating the window) takes a window of class A as parameter. It
responds to
the exception events for the Display() method of window passed in.
Now the problems I have encountered are as follows :
To allow the event handler to respond to the exception event of a window
of
class A, class A has the exception event defined for it. To allow me to
start a
window of class B where completion = event, I also have to define the same
exception event. This hides the return and exception for class A. The
implications of this in the event handler is that the event cannot be
trapped
unless I cast the parameter passed in into class B on the ' when
return_event '
line. This makes the event handler specific to class B.
(This situation is also presumable caused by the fact that each subclasses
overrides the Display method of window class A, and the exception event is
defined for the Display method.)
An alternative approach I tried was using interfaces. I defined the
exception
event as an event on an interface. This was defined with the same
parameters as
the exception events of classes B, C, and D would have (ie. the
exception
event had two parameters - one of type GenericException, and one of
ErrorMgr). I
then made classes B, C, and D implement the interface. The event handler
parameter would be the interface rather than class A. However class B
would not
compile as the GenericException parameter for the event in the interface
uses
the input mechanism, but the GenericException parameter for the exception
event
in the display event of classes B, C, and D uses copy input. I have ben
unable
to find a way to change the mechanism for event parameters.
Has anybody got any ideas as to how I may be able to achieve the goals of
an
event handler that can respond the exception event of a number of
subclasses.
Thanks
Steve Elvin
Systems Developer
Frontline Ltd.
UK.
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>
To unsubscribe, email '[email protected]' with
'unsubscribe forte-users' as the body of the message.
Searchable thread archive <URL:http://pinehurst.sageit.com/listarchive/>

Ref in MBIA for stock write off required to be reflected in GL

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CREATE PROCEDURE TEST (
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AND [YEAR] BETWEEN year(@StartDate) and year(@EndDate)
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INSERT INTO TAB1
A,B,C
SELECT
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I have the above proc inserting data based on parameters where in @InsertCase is used for case wise execution.
I have written the whole proc with exception handling using try catch block.
I have just added one insert statement here for 1 case now I need to add further insert cases
INSERT INTO TAB4
 A,B,C
SELECT
 A,BC
FROM XYZ
INSERT INTO TAB3
 A,B,C
SELECT
 A,BC
FROM XYZ
INSERT INTO TAB2
 A,B,C
SELECT
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I will be using following to insert further insert statements
if @InsertCase =1
I just needed to know where will be my next insert statement should be fitting int his code so that i cover exception handling for all the code
Mudassar

Hi Erland & Mudassar, I have attempted to recreate Mudassar's original problem..here is my TABLE script;
USE [MSDNTSQL]
GO
/****** Object: Table [dbo].[TAB1] Script Date: 2/5/2014 7:47:48 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[TAB1](
[COL1] [nvarchar](1) NULL,
[COL2] [nvarchar](1) NULL,
[COL3] [nvarchar](1) NULL,
[START_MONTH] [int] NULL,
[END_MONTH] [int] NULL,
[START_YEAR] [int] NULL,
[END_YEAR] [int] NULL
) ON [PRIMARY]
GO
Then here is a CREATE script for the SPROC..;
USE [MSDNTSQL]
GO
/****** Object: StoredProcedure [dbo].[TryCatchTransactions1] Script Date: 2/5/2014 7:51:33 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROCEDURE [dbo].[TryCatchTransactions1] (
@IncrStartDate DATE
,@IncrEndDate DATE
,@SourceRowCount INT OUTPUT
,@TargetRowCount INT OUTPUT
,@ErrorNumber INT OUTPUT
,@ErrorMessage VARCHAR(4000) OUTPUT
,@InsertCase INT --INSERT CASE INPUT
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EXEC AS CALLER AS
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SET NOCOUNT ON
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,@SuccessMessage VARCHAR(100) = 'SUCCESS'
,@BenchMarkLoadFlag CHAR(1)
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,@MonthYearStart DATE
,@MonthYearEnd DATE
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,@EndDate DATE
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SELECT COL1, COL2, COL3
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SELECT @TargetRowCount = @TargetRowCount + @@ROWCOUNT;
END -- End of whileloop
END TRY
BEGIN CATCH
IF @@TRANCOUNT > 0
ROLLBACK TRANSACTION
SELECT @ErrorNumber = ERROR_NUMBER() ,@ErrorMessage = ERROR_MESSAGE();
END CATCH
PRINT @SUCCESSMESSAGE
END--End of Main Begin
GO
I am just trying to help --danny rosales
UML, then code

Creation of package structure for ABAP proxy scenario

Hi All,
I have a doubt on package structure used for ABAP proxy scenario. What is the specific reason to create a four level package structure? Can some one please explain? Thanks in advance.
Regards,
Sudheer.

Hi Sudheer,
Can you pls clarify what do you mean by 'four level package structure' ?
Are you referring to the ABAP structures that get created during creating the proxy by SPROXY transaction ? These structures get automatically created. We simply have to write the code using these structures.
Or do you mean the 'package' which is mandatory to create a transportable ABAP object ? i.e. transport from Development to Staging and then Production.
Regards,

Alerting for complete async scenario

I'm new to XI and I need advice from XI experts.
Could any one explain me how to setup the alert scenario for complete async scenario in case of any errors in XI like mapping error etc. I have gone through some alert config documents but what I'm looking for is, suggestions and recommondations for as how to implement alert scenario for async processes. how is it implemented in async and sync processes in real time. whats the good approach for alerting and error handling.
Thanks,
Sudha Madhuri

HI,
You can use alerts for alert the msg/error msg to user with/without interpt the process or while processing the msg.
In Async process you can use alerts in UDF or through BPM.
In Sync , you can raise alerts through BPM.
Also reconcile the process with BPM.
Please see the below links..
Alerts with variables from the messages payload (XI) - UPDATED - /people/michal.krawczyk2/blog/2005/03/13/alerts-with-variables-from-the-messages-payload-xi--updated
/people/michal.krawczyk2/blog/2005/09/09/xi-alerts--step-by-step - Alert Configuration
/people/michal.krawczyk2/blog/2005/09/09/xi-alerts--troubleshooting-guide - Trouble shoot alert config
XI ALerts with container elements - /people/sukumar.natarajan/blog/2007/01/07/how-to-raise-alerts-from-abap-proxy
Reconciliation of Messages in BPM - /people/krishna.moorthyp/blog/2006/04/08/reconciliation-of-messages-in-bpm
/people/sap.india5/blog/2005/12/06/xi-ccms-alert-monitoring-overview-and-features - CCMS Alert Monitoring
Triggering XI Alerts from a User Defined Function - /people/bhavesh.kantilal/blog/2006/07/25/triggering-xi-alerts-from-a-user-defined-function
blogs for alerts
http://help.sap.com/saphelp_nw2004s/helpdata/en/2b/d925bf4b8a11d1894c0000e8323c4f/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/9c/34193cb4f5131de10000000a11405a/content.htm
http://help.sap.com/saphelp_nw2004s/helpdata/en/8a/3e2d4105f8d92be10000000a1550b0/content.htm
Regards
Chilla..
Points rewarded if it is useful..

Linkage Error in Mapping and Operation mapping testing for Synchronous in NWDS

Dear Experts,
Hope you all are doing fine..
I am working in a synchronous scenario Proxy via SAP PI 7.4 to JAVA Application supporting JSON.I wrote JAVA program to convert JSON to XML and while performing test for the JAVA mapping in response structure at Operation Mapping,I am receiving following error..
LinkageError at JavaMapping.load(): Could not load class: json2xml/bin/pack/EsrJson2Xml
java.lang.NoClassDefFoundError: json2xml/bin/pack/EsrJson2Xml (wrong name: pack/EsrJson2Xml) at
java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(ClassLoader.java:735)
at java.lang.ClassLoader.defineClass(ClassLoader.java:716) at java.lang.ClassLoader.defineClass(ClassLoader.java:537)
at com.sap.aii.ib.server.mapping.execution.MappingLoader.findClass(MappingLoader.java:195)
at java.lang.ClassLoader.loadClass(ClassLoader.java:372) at java.lang.ClassLoader.loadClass(ClassLoader.java:313)
I followed some of discussions for the Linkagae error http://scn.sap.com/thread/1418477 but could not help..
Following are details of my NWDS and PI server:
SAP NetWeaver Developer Studio
SAP Enhancement Package 1 for SAP NetWeaver Developer Studio 7.3 SP10 PAT0000
Compiled the project with JAVA SE-1.6 as well as 1.5
SAP PO 7.4 Java Only , Release: NW731CORE_10_REL
SP: 05 JDK: jdk16 Latest Change: 353688
I have taken care to export all the Jar files used in NWDS to be exported and then imported as Archived files in PI server.
But could not see the 5 jar files in ESR. I hope there is some issue with name as can see in the log.Can the issue be solved?
How to test the Operation mapping for Synchronous Message in NWDS?
Regards
Rebecca

Dear Hareesh and Experts,
I resolved the issue by doing the below steps.
1. Downloaded the JDK5 and updated the Java console i.e. JRE 15.
2. I had created this project using the JAVA Compiler with JAVA SE1.6 initially. Changed this to 1.5 in the Properties of the Project.
3. Uploaded the project again in ESR Imported Archive.
The issue is solved.
Thanks a lot for all your inputs.

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