In bdc sessoin method which one is preferred synchronous or asynchronous..?

hi could anybody tel me
sessoin method which one is preferred synchronous or asynchronous..?
what ll happen if we do other method..?
foreground or background which one ll prefer..?
what ll happen if we do otehr method..?
thanx
kals.

Dear Kals,
Synchronous or Asynchronous:
If you need to process dependent transactions one after the other go for synchronous. Else, go for asynchronous.
Asynchronous will have better performance.
Ex:
If you would like to process F.02. If it is successful process one more transaction using.
Go for synchronous
call transaction F.02 ........
if successful.
process one more dependent transaction.
endif.
If you just need to process F.02
Go for Asynchronous.
Background or Foreground:
If there is a huge volume of data or no manual intevention is needed for background. If you would need manual intervention go for foreground.
Performance would be better in Background.
Visit the following thread:
Re: sap general
Hope this will help.
Regards,
Naveen.

Similar Messages

In bdc call transaction method which one ll prefer synchronous or asynchron

hi could anybody tel me
call transaction method which one is preferred synchronous or asynchronous..?
what ll happen if we do other method..?
foreground or background which one ll prefer..?
what ll happen if we do otehr method..?
on which condition we have to use synchronous and asynchronous
on which condition we have to use foreground and background
thanx
kals.

Hi,
if you haven't done yet please visit for general information:
http://help.sap.com/saphelp_nw70/helpdata/en/d2/f8f3393bef4604e10000000a11402f/frameset.htm
for further information:
http://help.sap.com/saphelp_nw70/helpdata/en/69/c2501a4ba111d189750000e8322d00/frameset.htm
This will hopefully answer your question.
Regards
Bernd

wlst vs java classname="weblogic.WLST" which one is preferred?

Hi,
I have recently started working with weblogic 10gR3 and came across examples to invoke wlst scripts from ANT.
Since there are two approaches i would like to know the difference and which one is preferred. I have so far seen more examples of <java classname="weblogic.WLST"> then <wlst>. In my personal experience i find it more convenient to invoke python script using weblogic.WLST option.
any comments?
thanks
salman

Hello Lance,
I will try to reproduce it on my side and see if I can reproduce, until then use the shutdown() method on the server runtime MBean as workaround.
Thanks,
-satya

Which one is preferable..?

which work area is preferable,explicity or implicity...?

hi sekhar,
   While adding or retrieving records to / from internal table we have to keep the record temporarily.
The area where this record is kept is called as work area for the internal table. The area must have the same structure as that of internal table. An internal table consists of a body and an optional header line.
Header line is a implicit work area for the internal table. It depends on how the internal table is declared that the itab will have the header line or not.
e.g.
data: begin of itab occurs 10,
           ab type c,
           cd type i,
        end of itab. " this table will have the header line.
data: wa_itab like itab. " explicit work area for itab
data: itab1 like itab occurs 10. " table is without header line.
The header line is a field string with the same structure as a row of the body, but it can only hold a single row.
It is a buffer used to hold each record before it is added or each record as it is retrieved from the internal table. It is the default work area for the internal table.
explicit work area is preferable
reward points if helpful,
shylaja

File handling deprecated method - which one?

I have this code, it should basically use the lines of text in a file and use them to construct nodes in a JTree. The compilation error is that the class uses a deprecated method - so does anybody know what method is the problem and what I should use?
private void createNodes(DefaultMutableTreeNode top)
   DefaultMutableTreeNode anode = null;
   File theFile = new File("categories.txt");
try
DataInputStream din1 = new DataInputStream(new FileInputStream(theFile));
    //while (din1.available() !=0)
    while (true)
       String topic = din1.readLine().trim();
       //set the string as a tree node
       anode = new DefaultMutableTreeNode(topic);
       top.add(anode);
     din1.close();//close the file handle
     catch (Exception e)
          System.err.println("File input error");
}//end of method

If you compile with deprecation it will tell you specifically.
I think it is:
javac -deprecation ...
The only method from below that I think it could be is readLine() in DataInputStream...
If you are reading text...try:
BufferedReader br = new BufferedReader(new FileReader(theFile));
String topic;
while ((topic=br.readLine())!=null)
    anode = new DefaultMutableTreeNode(topic);
    top.add(anode);
br.close();

Suppose one lack records having in BDC uplaod,which one can i propose uploa

Suppose one lack records having in BDC uplaod,which one can i propose uploading these records?call transaction or session method which one is better?How?

Hi Hassan,
The Session method is better and used for processing large amount of data and it will give error log itself if any comes. and the other thing is you can run session method in background but call transaction is not possible to run in background.
Session method can handle multiple transactions at a time, while in call transaction , only one at a time.
But call transaction is much faster than Session.
Database update is synchronous in Session,while it is either synchronous or asynchronous in Call Transaction.
here is the exact differences..
Call transaction:
Session is used to handle larger amount of data and error handling in implicit, while in call transaction, you have to explicitly handle error situation.
1.Synchronous Processing
2.You can update the database both synchronously and asynchrounously.
3.Transfer of data for individual transaction
4.No batch input session is created.
5.Faster than other batch input techniques.
6.No automatic error log and restart capability is available here.
7.Not recommended for bulk data transfer
Session.
1.Asynchronous Processing
2.Synchronous database updates
3.Transfer of data for multiple transaction
4.Batch input sesssion is created here.
5.Automatic error handling and efficient restart capability incase of error transaction.
6.SAP's standard approach for data transfer
7.Highly recommended for Bulk data transfer.
8.Execution is slower than CALL TRANSACTION.
for details you can go thru this link
BDC
Please go thru this link.
Reagrds,
Amit.
Reward points if useful

For ESS which one is better ? (Webdynpro for Java or Webdynpro for ABAP)

Hello ,
For developing Employee Self Service(ESS) which one is preffered Is webdynpro for java and webdynpro for ABAP ? Why ?
What are the differences ?? Please give me clearly.
Thanks
Risha

Hello Olivier ,
Thank you for gvg quick reply.
For dessert which one is preferred : apple pie or chocolate pudding ? - I am not able to decide
Actually I have requirement for developing ESS in Portal. I am new to ESS and heard presently using WDA for ESS.
I did't get reasons why using WDA. basically I am from WD for Java.
If possible give me differences.
Thanks
Risha

Session method and call transaction methos which one is the sap recomonded

hi
PLease give me the answer to these questions.
session method and call transaction methos which one is the sap recomonded why .
2) if we want to maintain BDC program in all the systems.wt to d0

Hi Revethi,
Here is the difference between the Session and Call Transaction method.
Session
Session method supports both small amount of data aswell as large amount of data
2) data processing is asynchronus and data updation is synchronus.
3) it process multiple apllication while perfomaning validations.
4) in session method data will be updated in data base only after processing session only.
5) system provide by default logfile for handling error records.
6) it supports both foreground aswell as background process
in bdc we use FM ... bdc_open_group " for creating Session
bdc_insert " adding transaction and bdcdata table for updating database
bdc_close_group " for closing Session
Call Transaction
Call transaction exclusively for small amout of data
2) it supports only one apllication while perfoming validations
3) there is no default logfile, We can explicitly provide logic for creating logfile for handling error records.
we can create logfile by using structure....BDCMSGCOLL
4) it doesn't support background processing.
5) data processing is synchronous and Data updation is Synchronous( default), in
this method also supports daya updation in asynchronus process also.
Syntax:
Call transaction <transaction-name> using BDCDATA
mode <A/N/E> update <L/A/S>
messages into BDCMSGCOLL.

There are two CDC methods - Source based CDC and Target based CDC which one

There are two CDC methods - Source based CDC and Target based CDC, which one is better performancewise. in data services.
If there is any document available which compares both and provides any info on performance etc, will be helpful.
thank you for the helpful info.

LIke Suneer mentioned CDC is for better performance.
Following link would be helpful.
http://wiki.sdn.sap.com/wiki/display/BOBJ/Extractors-Source-Based+CDC
http://wiki.sdn.sap.com/wiki/display/BOBJ/Extractors-Target-Based+CDC
Thanks,
Arun

For which one is the priority? constructor or method ?

Hi
if i have A constructor and a method and both of them working on the same variable, so for which one is the priority ?
Message was edited by:
scrolldown

whichever one gets there first. no, really. and a
constructor is just a methodAu contraire, mon fr?re!
Constructors are not methods, because unlike methods,
they are not
even technically members of a class.
http://java.sun.com/docs/books/jls/third_edition/html/
classes.html#8.8
<quote>
Constructor declarations are not members. They are
never inherited and therefore are not subject to
hiding or overriding.
</quote>I stand corrected there, then. aren't they described by the same bytecode instructions, though? I know that when using, say, BCEL, constructors and initializers are generated as methods. whatever, I'm obviously barking up the wrong tree there

We have many mappings, which one is good in performance wise ?

We have many mappings, which one is good in performance wise ?

HI
Different Mapping Techniques are available in XI. They are: Message Mapping, XSLT Mapping, Java Mapping and ABAP mapping.
u2022The integration repository includes a graphical mapping editor. It includes built-in functions for value transformations and queue and context handling. There is an interface for writing user-defined functions (java) as well.
u2022XSLT mappings can be imported into the Integration Repository; java methods can be called from within the XSLT style sheet. Advantages of this mapping are: open standard, portable, extensible via Java user-defined functions.
u2022If the transformation is very complex, it may be easiest to leverage the power of Java for mapping.
u2022ABAP mapping programs can also be written to transform the message structures.
Message Mapping
SAP XI provides a graphical mapping tool that generates a java mapping program to be called at run time.
u2022Graphically define mapping rules between source and target message types.
u2022Queue-based model allows for handling of extremely large documents.
u2022Drag-and-drop.
u2022Generates internal Java Code.
u2022Built-in and user-defined functions (in Java)
u2022Integrated testing tool.
u2022N:M mapping is possible.
JAVA MAPPING:
Usually Java mapping is preferred when the target structure is relatively complex and the transformation cannot be accomplished by simple graphical mapping.
For e.g. consider a simple File->IDoc scenarion where the source file is a simple XML file, whereas the target file is an IDoc with more than one hierarchy level e.g FINSTA01. Content conversion in XI can only create a single level hierarchy, so in this scenario a Java mapping would come in handy.
See these:
http://help.sap.com/saphelp_nw04/helpdata/en/e2/e13fcd80fe47768df001a558ed10b6/frameset.htm
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/10dd67dd-a42b-2a10-2785-91c40ee56c0b
/people/prasad.ulagappan2/blog/2005/06/29/java-mapping-part-i
/people/thorsten.nordholmsbirk/blog/2006/08/10/using-jaxp-to-both-parse-and-emit-xml-in-xi-java-mapping-programs
When to use Java mapping
1) Java mapping are used when graphical mapping cannot help you.
Advantages of Java Mapping
1)you can use Java APIs and Classes in it.
2) file look up or a DB lookup is possible
3) DOM is easier to use with lots of classes to help you create nodes and elements.
Java mapping can be used when you have complex mapping structures.
ABAP MAPPING:
ABAP mappings are mapping programs in ABAP objects that customers can implement using the ABAP Workbench.
An ABAP mapping comprises an ABAP class that implements the interface IF_MAPPING in the package SAI_MAPPING. The interface has a method EXECUTE with the some signature.
Applications can decide themselves in the method EXECUTE how to import and change the source XML document. If you want to use the XSLT processor of SAP Web AS, you can use the ABAP Workbench to develop a stylesheet directly rather than using ABAP mappings.
In ABAP mapping you can read access message header fields. To do this, an object of type IF_MAPPING_PARAM is transferred to the EXECUTE method. The interface has constants for the names of the available parameters and a method GET, which returns the respective value for the parameter name. The constants are the same as in Java mappings, although the constant MAPPING_TRACE does not exist for ABAP mappings. Instead, the trace object is transferred directly using the parameter TRACE of the method IF_MAPPING~EXECUTE.
For more details refer
http://help.sap.com/saphelp_nw70/helpdata/EN/ba/e18b1a0fc14f1faf884ae50cece51b/frameset.htm
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/5c46ab90-0201-0010-42bd-9d0302591383
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/e3ead790-0201-0010-64bb-9e4d67a466b4
/people/sameer.shadab/blog/2005/09/29/testing-abap-mapping
ABAP Mapping
/people/udo.martens/blog/2006/08/23/comparing-performance-of-mapping-programs
https://websmp101.sap-ag.de/~sapdownload/011000358700003082332004E/HowToABAPMapping.pdf
/people/ravikumar.allampallam/blog/2005/02/10/different-types-of-mapping-in-xi
/people/r.eijpe/blog
ABAP Mapping Vs Java Mapping.
Re: Message Mapping of type ABAP Class not being shown
Re: Performance of mappings (JAVA, XSLT, ABAP)
XSLT Mapping
XSLT stands for EXtensible Stylesheet Language Transformations. It is an XML based language for transforming XML documents into any other formats suitable for browser to display, on the basis of set of well-defined rules.
/people/sap.user72/blog/2005/03/15/using-xslt-mapping-in-a-ccbpm-scenario
/people/anish.abraham2/blog/2005/12/22/file-to-multiple-idocs-xslt-mapping
The above menotined are the mapping present in the XI.
When it is critical and complicate we go for the ABAP,JAVA or XSLt mapping. For simple Mapping we go for the graphical mapping.
the selection of mapping also depends upon the requirement and alos on our scenario.
cheers

Error in my BDC SESSION METHOD

Hi,
I was trying work on BDC SESSION METHOD AND MY TCODE IS XK01.
Here is my code can some one tell me where i am doing wrong becoz its not giving the output as I expected. And I am uploading a tab delimeter file.
report ZAN_BDCVENDOR
       no standard page heading line-size 255.
include bdcrecx1.
DATA: I_BDCDATA LIKE BDCDATA OCCURS 0 WITH HEADER LINE.
DATA: BEGIN OF RECORD OCCURS 0,
LIFNR(016),
BURKS(004),
EKORG(004),
KTOKK(004),
AKONT(010),
FDGRV(010),
WAERS(005),
END OF RECORD.
start-of-selection.
perform open_group.
CALL FUNCTION 'GUI_UPLOAD'
EXPORTING
    filename                      = 'C:\VENDOR.TXT'
FILETYPE                      = 'ASC'
tables
    data_tab                      = RECORD
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
LOOP AT RECORD.
perform bdc_dynpro      using 'SAPMF02K' '0100'.
perform bdc_field       using 'BDC_CURSOR'
                              'USE_ZAV'.
perform bdc_field       using 'BDC_OKCODE'
                              '/00'.
perform bdc_field       using 'RF02K-LIFNR'
                              '8765'.
perform bdc_field       using 'RF02K-BUKRS'
                              '1000'.
perform bdc_field       using 'RF02K-EKORG'
                              '1000'.
perform bdc_field       using 'RF02K-KTOKK'
                              '0001'.
perform bdc_field       using 'USE_ZAV'
                              'X'.
perform bdc_dynpro      using 'SAPMF02K' '0210'.
perform bdc_field       using 'BDC_CURSOR'
                              'LFB1-FDGRV'.
perform bdc_field       using 'BDC_OKCODE'
                              '=UPDA'.
perform bdc_field       using 'LFB1-AKONT'
                              '160000'.
perform bdc_field       using 'LFB1-FDGRV'
                              'A1'.
perform bdc_dynpro      using 'SAPMF02K' '0310'.
perform bdc_field       using 'BDC_CURSOR'
                              'LFM1-WAERS'.
perform bdc_field       using 'BDC_OKCODE'
                              '=UPDA'.
perform bdc_field       using 'LFM1-WAERS'
                              'usd'.
perform bdc_transaction using 'XK01'.
ENDLOOP.
perform close_group.
              CALL FUNCTION 'BDC_OPEN_GROUP'
               EXPORTING
                CLIENT                    = SY-MANDT
                DEST                      = FILLER8
                 GROUP                     = 'SESSION1'
                HOLDDATE                  = FILLER8
                KEEP                      = FILLER1
                 USER                      = SY-UNAME
                RECORD                    = FILLER1
                PROG                      = SY-CPROG
              IMPORTING
                QID                       =
              EXCEPTIONS
                CLIENT_INVALID            = 1
                DESTINATION_INVALID       = 2
                GROUP_INVALID             = 3
                GROUP_IS_LOCKED           = 4
                HOLDDATE_INVALID          = 5
                INTERNAL_ERROR            = 6
                QUEUE_ERROR               = 7
                RUNNING                   = 8
                SYSTEM_LOCK_ERROR         = 9
                USER_INVALID              = 10
                OTHERS                    = 11
              IF sy-subrc <> 0.
              WRITE 'ERROR IN OPEN_GROUP'.
              ENDIF.
               CALL FUNCTION 'BDC_INSERT'
               EXPORTING
                 TCODE                  = TCODE
                 POST_LOCAL             = NOVBLOCAL
                 PRINTING               = NOPRINT
                 SIMUBATCH              = ' '
                 CTUPARAMS              = ' '
                 TABLES
                   dynprotab              = I_BDCDATA
               EXCEPTIONS
                 INTERNAL_ERROR         = 1
                 NOT_OPEN               = 2
                 QUEUE_ERROR            = 3
                 TCODE_INVALID          = 4
                 PRINTING_INVALID       = 5
                 POSTING_INVALID        = 6
                 OTHERS                 = 7
               IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
               ENDIF.
               CALL FUNCTION 'BDC_CLOSE_GROUP'
               EXCEPTIONS
                 NOT_OPEN          = 1
                 QUEUE_ERROR       = 2
                 OTHERS            = 3
               IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
        WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
               ENDIF.
I appreciate

Hi,
i guess, the error is due to, u didnt pass the TCODE parameter in BDC_INSERT FM.
Try by passing it...
CALL FUNCTION 'BDC_INSERT'
EXPORTING
TCODE = TCODE*
POST_LOCAL = NOVBLOCAL
PRINTING = NOPRINT
SIMUBATCH = ' '
CTUPARAMS = ' '
TABLES
dynprotab = I_BDCDATA
EXCEPTIONS
INTERNAL_ERROR = 1
NOT_OPEN = 2
QUEUE_ERROR = 3
TCODE_INVALID = 4
PRINTING_INVALID = 5
POSTING_INVALID = 6
OTHERS = 7
Hope it works!!
Regards,
Pavan

Creating Sales order texts while using BDC session method is not working

Hi All,
I have an existing program which creates sales order using BDC session method.( Actual program uses BAPI to create sales order and in case if any error occurs during creation of sales order BDC session is generated so that user can process it later and i am facing issues in this part of code where it uses BDC)
I wanted to modify this BDC sesion to update the sales order text also. I tried recording VA01 for creationg sales order text unfortunatly it is not capturing the data i am entering in the text fields.
Please suggest if there is any way to create sales order using BDC.
Regards
Sheeba

Hi Madhu,
'=TP_CREATE' is the OK code i am getting for creating TEXTS. But the text entered are not captured in BDC.
Part of BDC program generated for cretaing sales order texts.
perform bdc_dynpro      using 'SAPMV45A' '4003'.
perform bdc_field       using 'BDC_OKCODE'
                              '=%_GC 128 22'.
perform bdc_field       using 'LV70T-SPRAS'
                              'EN'.
perform bdc_dynpro      using 'SAPMV45A' '4003'.
perform bdc_field       using 'BDC_OKCODE'
                              '=TP_CREATE'.
perform bdc_field       using 'LV70T-SPRAS'
                              'EN'.
perform bdc_dynpro      using 'SAPMV45A' '4003'.
perform bdc_field       using 'BDC_OKCODE'
                              '=%_GC 128 22'.
perform bdc_field       using 'LV70T-SPRAS'
                              'EN'.
perform bdc_dynpro      using 'SAPMV45A' '4003'.
perform bdc_field       using 'BDC_OKCODE'
                              '=TP_CREATE'.
perform bdc_field       using 'LV70T-SPRAS'
                              'EN'.
perform bdc_dynpro      using 'SAPMV45A' '4003'.
perform bdc_field       using 'BDC_OKCODE'
                              '/EBACK'.
perform bdc_field       using 'LV70T-SPRAS'
                              'EN'.
perform bdc_dynpro      using 'SAPMV45A' '4001'.
perform bdc_field       using 'BDC_OKCODE'
                              '=SICH'.
Regards,
Sheeba

Which one better to use - jsp:useBean or import statement

Hi,
I just want to know that which one is better to use jsp:useBean or import statement .
I can instantiate and call method of myclass -
1) by importing the class through import tag in jsp as <%@page import="myclass"%. or
2). by using <jsp:useBean tag....
i have these two option to do the same thing. i know that basically useBean is used to call setter and getter method of bean class and but it can be used to call a normal java file that have some logic .
so what should i used , which one is better and why?
useBean provides scope and object instance so no need to create object by new operator. and with import you have to create an instance .
but which tag should i use in my jsp?
i am confused???

ok, means i can use jsp:useBean tag for all my
classes that are not actually bean. so it will be
instantiated at run time and provide efficiency .No. Jsp:useBean is used for java bean components.
>
but when should i use import statement in my jsp and
it happen at translation time so will it create any
type of burden for my code if i import multiple
classes.For non-java beans, you need to import the classes, period.
It's not a burden, it's a necessity.

How to get the class name static method which exists in the parent class

Hi,
How to know the name of the class or reference to instance of the class with in the main/static method
in the below example
class AbstA
public static void main(String[] args)
System.out.println(getXXClass().getName());
public class A extends AbstA
public class B extends AbstA
on compile all the class and run of
java A
should print A as the name
java B
should print B as the name
Are there any suggestions to know the class name in the static method, which is in the parent class.
Regards,
Raja Nagendra Kumar

Well, there's a hack you can use, but if you think you need it,Could you let me the hack solution for this..
you probably have a design flaw and/or a misunderstanding about how to use Java.)May be, but my needs seems to be very genuine..of not repeat the main method contents in every inherited class..
The need we have is this
I have the test cases inheriting from common base class.
When the main method of the test class is run, it is supposed to find all other test cases, which belong to same package and subpackages and create a entire suite and run the entire suite.
In the above need of the logic we wrote in the main method could handle any class provided it knows what is the child class from which this main is called.
I applicate your inputs on a better way to design without replicating the code..
In my view getClass() should have been static as the instance it returns is one for all its instances of that class.
I know there are complications the way compiler handles static vars and methods.. May be there is a need for OO principals to advance..
Regards,
Raja Nagendra Kumar
Edited by: rajanag on Jul 26, 2009 6:03 PM

In bdc sessoin method which one is preferred synchronous or asynchronous..?

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