Using RFC in VC model

Hi Experts,
I am doing a VC application. In this I am using Combo box in input form. I am populating this combo box with one RFC from R/3 system. I am able to see data on Development system. I have transported my VC Model and RFC to quality system but on quality I am not able to see any data in Combo box. Is there anything more to be done while using RFC in VC application.
I am using VC7.0 NW 2004s SPS11.
I will assign points to correct solution.
cheers
jayant

Hi Jaykant,
you need the system connection and the corresponding privilleges.
Check if the connection work then check if there are dumps or go to backend and trace all RFCs.
Best Regards,
Marcel

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Hi,Sridhar
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I am trying to use java file as Model layer and jsf as presentation layer

I am trying to use java file as Model layer and jsf as presentation layer and need some help
I successfully get the value of h:outputText from java file by doing simple binding operation but I am facing problems when I am trying to fill h:dataTable
I create java file
package oracle.model;
import java.sql.;*
import java.util.;*
*public class TableBean {*
Connection con ;
Statement ps;
ResultSet rs;
private List perInfoAll = new ArrayList();
*public List getperInfoAll() {*
perInfoAll.add(0,new perInfo("name","username","blablabla"));
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String firstName;
String lastName;
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this.firstName = firstName;
this.lastName = lastName;
*public String getUname() {*
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*public String getFirstName() {*
return firstName;
*public String getLastName() {*
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right click on the file and choose 'create data control'
then i wrote the jsf file:
*<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h"%>*
*<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f"%>*
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*<h:dataTable id="dt1" value="#{bindings.perInfoAll}"*
var="item" bgcolor="#F1F1F1" border="10"
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dir="LTR" frame="hsides" rules="all"
*>*
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*<h:column id="c2">*
*<f:facet name="header">*
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*</f:facet>*
*<h:outputText style="" value="#{item.firstName}"*
id="ot2"/>
*</h:column>*
*<h:column id="c4">*
*<f:facet name="header">*
*<h:outputText value="Last Name" id="ot9"/>*
*</f:facet>*
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*<h:column id="c3">*
*<f:facet name="header">*
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*</f:facet>*
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*</h:dataTable>*
*</center>*
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I know that there is something wrong in calling the binding object
I need help pls and where can i find some help to deal with another tag types
thanks

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*"http://www.w3.org/TR/html4/loose.dtd">*
*<%@ page contentType="text/html;charset=UTF-8"%>*
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*label="#{bindings.perInfoAll1.hints.uname.label}"*
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*columns="#{bindings.perInfoAll1.hints.uname.displayWidth}"*
*maximumLength="#{bindings.perInfoAll1.hints.uname.precision}"*
*shortDesc="#{bindings.perInfoAll1.hints.uname.tooltip}"*
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*<f:validator binding="#{row.bindings.uname.validator}"/>*
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*</af:column>*
*<af:column sortProperty="firstName" sortable="false"*
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*label="#{bindings.perInfoAll1.hints.firstName.label}"*
*required="#{bindings.perInfoAll1.hints.firstName.mandatory}"*
*columns="#{bindings.perInfoAll1.hints.firstName.displayWidth}"*
*maximumLength="#{bindings.perInfoAll1.hints.firstName.precision}"*
*shortDesc="#{bindings.perInfoAll1.hints.firstName.tooltip}"*
*id="it2">*
*<f:validator binding="#{row.bindings.firstName.validator}"/>*
*</af:inputText>*
*</af:column>*
*<af:column sortProperty="lastName" sortable="false"*
*headerText="#{bindings.perInfoAll1.hints.lastName.label}"*
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*<af:inputText value="#{row.bindings.lastName.inputValue}"*
*label="#{bindings.perInfoAll1.hints.lastName.label}"*
*required="#{bindings.perInfoAll1.hints.lastName.mandatory}"*
*columns="#{bindings.perInfoAll1.hints.lastName.displayWidth}"*
*maximumLength="#{bindings.perInfoAll1.hints.lastName.precision}"*
*shortDesc="#{bindings.perInfoAll1.hints.lastName.tooltip}"*
*id="it1">*
*<f:validator binding="#{row.bindings.lastName.validator}"/>*
*</af:inputText>*
*</af:column>*
*</af:table>*
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but when run it i see the following errors
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*java.lang.NullPointerException*
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*Object EmpManager of type DataControl is not found.*
*java.lang.NullPointerException*
:(

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Hi all,
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Hi,
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Hello Folks,
RFC Adp. SOAP Adp.
ECC-->XI--
>ARIBA
I am new to PI and doing a scenario mention above. we are using RFC sender adaptor to send the data to XI in asynchronous process.
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Appl. Server(Gateway): My Ecc Server host name
Appl. Server Service (Gateway) : My Ecc server
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Please Help me in this to resolve the above error. I am totally stuck at this point.I would really appreciate a quick answer.

Appl. Server Service (Gateway) : My Ecc server
Confused with this statement.....
it should have the format sapgwXX ....
XX is the system number which comes from the j2ee port mentioned in the XI homepage URL
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How to configure sender RFC adapter...check this blog:
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Error in processing caused by: com.sap.aii.adapter.rfc.afcommunication.RfcAFWException:
senderAgreement not found:
Sender Agreement is Expected in this communication which does not seem to be present in ID....create sender agreement using the RFC communication channel....
Regards,
Abhishek.
Edited by: abhishek salvi on May 2, 2009 1:24 AM

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Hello Friends,
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hi
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Moderator message: please do some research before asking.
Edited by: Thomas Zloch on Mar 17, 2011 1:21 PM

Mist first line was :-)
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TechNet Community Support

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Manesh G

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Lock object using RFC

Hi,
in standard transaction I lock an object in an other system using RFC lock(enqueue function) but when I exit from transaction the object in other system is automatically unlocked without using the dequeue function.
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Max Boscolo

Hi
Lock objects are use in SAP to avoid the inconsistancy at the time of data is being insert/change into database.
SAP Provide three type of Lock objects.
- Read Lock(Shared Locked)
protects read access to an object. The read lock allows other transactions read access but not write access to
the locked area of the table
- Write Lock(exclusive lock)
protects write access to an object. The write lock allows other transactions neither read nor write access to
the locked area of the table.
- Enhanced write lock (exclusive lock without cumulating)
works like a write lock except that the enhanced write lock also protects from further accesses from the
same transaction.
You can create a lock on a object of SAP thorugh transaction SE11 and enter any meaningful name start with EZ Example EZTEST_LOCK.
Use: you can see in almost all transaction when you are open an object in Change mode SAP could not allow to any other user to open the same object in change mode.
Example: in HR when we are enter a personal number in master data maintainance screen SAP can't allow to any other user to use same personal number for changes.
Technicaly:
When you create a lock object System automatically creat two function module.
1. ENQUEUE_<Lockobject name>. to insert the object in a queue.
2. DEQUEUE_<Lockobject name>. To remove the object is being queued through above FM.
You have to use these function module in your program.
check this link for example.
http://help.sap.com/saphelp_nw04s/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
tables:vbak.
call function 'ENQUEUE_EZLOCK3'
exporting
mode_vbak = 'E'
mandt = sy-mandt
vbeln = vbak-vbeln
X_VBELN = ' '
_SCOPE = '2'
_WAIT = ' '
_COLLECT = ' '
EXCEPTIONS
FOREIGN_LOCK = 1
SYSTEM_FAILURE = 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.
Normally ABAPers will create the Lock objects, because we know when to lock and how to lock and where to lock the Object then after completing our updations we unlock the Objects in the Tables
http://help.sap.com/saphelp_nw04s/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
purpose: If multiple user try to access a database object, inconsistency may occer. To avoid that inconsistency and to let multiple user give the accessibility of the database objects the locking mechanism is used.
Steps: first we create a loc object in se11 . Suppose for a table mara. It will create two functional module.:
1. enque_lockobject
1. deque_lockobject
before updating any table first we lock the table by calling enque_lockobject fm and then after updating we release the lock by deque_lockobject.
http://help.sap.com/saphelp_nw04/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
GO TO SE11
Select the radio button "Lock object"..
Give the name starts with EZ or EY..
Example: EYTEST
Press Create button..
Give the short description..
Example: Lock object for table ZTABLE..
In the tables tab..Give the table name..
Example: ZTABLE
Save and generate..
Your lock object is now created..You can see the LOCK MODULES..
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Lock objects:
http://www.sap-img.com/abap/type-and-uses-of-lock-objects-in-sap.htm
http://help.sap.com/saphelp_nw04s/helpdata/en/cf/21eea5446011d189700000e8322d00/content.htm
Match Code Objects:
http://help.sap.com/saphelp_nw2004s/helpdata/en/41/f6b237fec48c67e10000009b38f8cf/content.htm
http://searchsap.techtarget.com/tip/0,289483,sid21_gci553386,00.html
See this link:
http://www.sap-img.com/abap/type-and-uses-of-lock-objects-in-sap.htm
Check these links -
lock objects
Lock Objects
Lock Objects
Regards
Anji

How to use RFC in OO programming?

experts,
    As far as i know, we can call a function using RFC, such as:
     CALL FUNCTION 'HRRCF_MDL_CAND_OVIEW_RETRIEVE'
   DESTINATION lv_dest
   EXPORTING
     cand_hrobject         = stru_hrobject
     https                 = lv_https
   IMPORTING
     cand_overview         = ls_dataoverview
     messages              = lt_messages
   EXCEPTIONS
     system_failure        = 1 "MESSAGE lv_message
     communication_failure = 2. "MESSAGE lv_message.
Is there any way to call a OO（Object Oriented） method using RFC? I have studied the grammar of CALL METHOD, but i can't find some parameters to assign the destination.
Pls guide me. Thanks.
qiuguo

No, you have to use a function module as RFC. But you can create a custom RFC in the target system with the same input parameters as your method and call the method inside the RFC.
That should do it.
Regards,
Michael

Using RFC in VC model

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