Set JCO CLient via code

Hi All,
I need to use the same WD for several R/3 clients.
Is there a way that I could use several JCO reference and there for set the modeldata and the metadata reference that I need via code.
Regards,
Orlando Covault

Hi,
There are tow options for JCO creations:
1: If you know at design time which JCO connections you want to use and that they are available on your system: create a Model for every connection.
2: If you want to create these connections dynamically change the JCO connection everytime you call your model like this:
IWDDynamicRFCModel model;
model = (IWDDynamicRFCModel) WDModelFactory.getModelInstance(ModelName.class);
model.setJcoClient(connection)
--> continue calling code.
or:
model.setSystemName(<<JCO ClientName>>)
see: http://help.sap.com/javadocs/NW04S/current/wd/com/sap/tc/webdynpro/modelimpl/dynamicrfc/IWDDynamicRFCModel.html
Also you can refer the blog from Anilkumar Vippagunta at
/people/anilkumar.vippagunta2/blog/2007/02/06/dynamic-jco-creation
regards
amit bagati

Similar Messages

Stored Procedure parameter (@Carrier) used in report and can't be set via code

I have a report that has regular Crystal parameters that I am setting correctly via code. However, one report actually uses one of the database parameters from the stored procedure that the report was created from. It is the only report like this and I'm using the same code in an attempt to set it's value. Although no error is thown, if I look at the parameter value in the IDE it is set correctly, but the field on the report just shows up blank. I have changed the way the report is created. Previously, I used the report.export method to create the actual file via a stored procedure. Now, I'm running the stored procedure first and creating a datatable. This allows me to execute the SP only once to see if it has data, because only then do I want to create the actual report. I'm using the SetDataSource method to pass the datatable into Crystal and then using the report.export method to create the report with data. Everything seems to work, except this stored procedure parameter (@Carrier) is not actually being populated to display on the report.
Not sure what to look at. Any suggestions?
Thanks.

crpe32.dll is version 13.0.5.891. This was developed in VS2012 and VB.NET. I'm using ADO.Net to connect to a MS SQL Server database.
MainReport.SetDataSource(DTbl)
bRC = PopulateAllSubReports(MainReport)
If Not bRC Then Throw New Exception("Received an error in PopulateAllSubReports.")
bRC = PopulateCrystalParameters(MainReport, SP)
If Not bRC Then Throw New Exception("Received an error in PopulateCrystalParameters.")
'Actually create the output file.
bRC = ExportData(MainReport)
Private Function PopulateCrystalParameters(myReportDocument As ReportDocument, SP As ReportStoredProcedureCrystal) As Boolean
     Dim myParameterFieldDefinitions As ParameterFieldDefinitions = Nothing
     Dim myParameterFieldDefinition As ParameterFieldDefinition = Nothing, ParamValue As String = ""
     Dim bRC As Boolean, Param As SqlParameter = Nothing
     Try
     myParameterFieldDefinitions = myReportDocument.DataDefinition.ParameterFields
'*********************Report Parameters***************************
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          myParameterFieldDefinition.CurrentValues.Clear()
          Select Case myParameterFieldDefinition.ParameterFieldName.Trim.ToUpper
          Case "@CARRIER"
               If SP.DBParameters.ContainsKey("@CARRIER") Then
                    Param = SP.DBParameters("@CARRIER")
                    ParamValue = NullS(Param.Value).Trim
                    bRC = SetCurrentValueForParameterField(myParameterFieldDefinition, ParamValue)
                    If Not bRC Then Return False
               End If
          End Select
     Next
     Return True
     Catch ex As Exception
     GmcLog.Error("ReportKey = " & Me.ReportKey.ToString & ", " & ex.Message, ex)
     Return False
     End Try
End Function
Private Function SetCurrentValueForParameterField(myParameterFieldDefinition As ParameterFieldDefinition, submittedValue As Object) As Boolean
     Dim currentParameterValues As ParameterValues = Nothing
     Dim myParameterDiscreteValue As ParameterDiscreteValue = Nothing
     Try
     myParameterDiscreteValue = New ParameterDiscreteValue
     myParameterDiscreteValue.Value = NullS(submittedValue).Trim
     currentParameterValues = New ParameterValues
     currentParameterValues.Add(myParameterDiscreteValue)
     myParameterFieldDefinition.ApplyCurrentValues(currentParameterValues)
     Return True
     Catch ex As Exception
     GmcLog.Error("ReportKey = " & Me.ReportKey.ToString & ", " & ex.Message, ex)
     Return False
     Finally
     myParameterDiscreteValue = Nothing
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Private Function SetDBSourceForSubReport(mySubReport As ReportDocument) As Boolean
     Dim myTables As Tables = Nothing, myTable As Table = Nothing, DTbl As DataTable, SP As StoredProcedure = Nothing
     Try
     myTables = mySubReport.Database.Tables
     For Each myTable In myTables
          Dim SPName As String = myTable.Location.Substring(0, myTable.Location.IndexOf(";"c))
          SP = New StoredProcedure(ConnectionString, SPName, CommandType.StoredProcedure)
          DTbl = SP.FillTable
          mySubReport.SetDataSource(DTbl)
          SP = Nothing
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     Catch ex As Exception
     GmcLog.Error("ReportKey = " & Me.ReportKey.ToString & ", " & ex.Message, ex)
     Return False
     Finally
     If Not SP Is Nothing Then SP = Nothing
     If Not myTable Is Nothing Then myTable = Nothing
     If Not myTables Is Nothing Then myTables = Nothing
     End Try
End Function
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     Try
     Dim mySections As Sections = myReportDocument.ReportDefinition.Sections
     For Each mySection As Section In mySections
          Dim myReportObjects As ReportObjects = mySection.ReportObjects
          For Each myReportObject As ReportObject In myReportObjects
               If myReportObject.Kind = ReportObjectKind.SubreportObject Then
                    Dim mySubreportObject As SubreportObject = CType(myReportObject, SubreportObject)
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                    Dim bRC = SetDBSourceForSubReport(subReportDocument)
                    If Not bRC Then Return False
               End If
          Next
     Next
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     End Try
End Function

Error sending IDOC from JCO Client to PI AEX 7.3.1

Hi All
We have a requirement to send an IDOC from a non SAP System to our ECC via PI AEX :
JCO.Client --> PI AEX --> SAP ECC
At this time, we are testing this scenario with a JAVA Client with JCO Library (3.0.10).
Destination to PI is OK
Destination to our SAP ECC (for IDocRepository) is OK
But by sending the IDOC to PI we are getting the following error, Exception is raised on the PI System and sent back to the JCO Client :
com.sap.conn.jco.JCoException: (104) JCO_ERROR_SYSTEM_FAILURE: while trying to invoke the method java.lang.Object.hashCode() of an object loaded from local variable 'key' (raised by system <extern>|PiSystem)
    at com.sap.conn.jco.rt.MiddlewareJavaRfc.generateJCoException(MiddlewareJavaRfc.java:670)
    at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.execute(MiddlewareJavaRfc.java:1881)
    at com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:1120)
    at com.sap.conn.jco.rt.ClientConnection.execute(ClientConnection.java:953)
    at com.sap.conn.jco.rt.RfcDestination.execute(RfcDestination.java:1465)
    at com.sap.conn.jco.rt.AbapFunction.execute(AbapFunction.java:319)
    at com.sap.conn.idoc.jco.JCoIDoc.send(JCoIDoc.java:323)
    at com.sap.conn.idoc.jco.JCoIDoc.send(JCoIDoc.java:353)
    at sap_connector_examples.IDocClientExampleToJavaPO_pbs.main(IDocClientExampleToJavaPO_pbs.java:97)
Caused by: RfcException: [<extern>|PiSystem]
    message: while trying to invoke the method java.lang.Object.hashCode() of an object loaded from local variable 'key'
    Return code: RFC_SYS_EXCEPTION(3)
    error group: 104
    key: RFC_ERROR_SYSTEM_FAILURE
Exception raised by <extern>|PiSystem
PI Destination:
jco.destination.repository_destination=ABAP_AS_WITHOUT_POOL
jco.client.gwhost=PiSystem
jco.client.gwserv=sapgw01
jco.client.tpname=XI_IDOC_DEFAULT_PID
jco.client.type=E
ECC Destination: (ABAP_AS_WITHOUT_POOL)
jco.client.lang=en
jco.client.client=100
jco.client.passwd=****
jco.client.user=User
jco.client.sysnr=00
jco.client.ashost=ECCSystem
We have already set the PI VM System parameter jco.allow_non_abap_partner to 1
ECC User has S_RFC Rolle
I will be thankful for any advise.
Thank You
Regards
Stéphane

Hi
InboundRA (Resource Adapter) is green (Fully available).
What do you mean by maintaining JCO RFC Destination in PI ?
We have set the inboundRA Properties has follow :
ProgramID : XI_IDOC_DEFAULT_PID
DestinationName : XI_IDOC_DEFAULT_DESTINATION
Local: true
mutliRepository : ED1=XI_IDOC_DEFAULT_DESTINATION_ED1;ES4=XI_IDOC_DEFAULT_DESTINATION_ES4;MD1=XI_IDOC_DEFAULT_DESTINATION_MD1;ES1=XI_IDOC_DEFAULT_DESTINATION_ES1;PD1=XI_IDOC_DEFAULT_DESTINATION_PD1;
GatewayServer and Service are pointing to our PI System
BindingKey : PI_AAE_IDOC
And for each Repository we created a destination in NWA pointing to the corresponding ECC System.
(target host pointing to the ECC System and the Gateway host pointing to the PI System)
Our Installation isn't new but it is the first time we are configuring the System for this scenario:
JCO.client --> PI AEX
Regards
Stéphane

JCo Client Programming and Error Handling

Hi all,
I was wondering if anybody could help me out with some advice on error handling when writing code to send messages to SAP via a JCo Client, particularly IDocs.
I understand from my reading that IDocs are always sent asyncronously to the SAP system from JCo, using JCO.Client.send(). So it is possible (and I have some test code working to do this) to force an exception with say a malformed IDoc, and catch the exception in my code.
But due to the asyncronous nature of the send functionality for IDoc, I cannot see any way of getting back any "business level" exceptions (e.g. Order Number does not exist, Unknown Material, etc.)
So my question is, is it possible to receive any of these type of error messages when sending IDocs to an SAP system using JCo? Perhaps by setting up a JCo Server with the correct error/exception listeners to receive these messages - but are they even sent out in the way?
If not what is the process for handling them?
It is of course possible to look in the SAP system using txn WE02 and see the problem/error but that does not help me to propagate this back to the sending application or to maintain state alignment between the two apps.
Any advice much appreciated!!
Chris

Hi Anil,
you should check on those trheads:
<a href="https://www.sdn.sap.com/irj/sdn/thread?messageID=3104772&#3104772">https://www.sdn.sap.com/irj/sdn/thread?messageID=3104772&#3104772</a>
<a href="https://www.sdn.sap.com/irj/sdn/thread?messageID=579794&#579794">https://www.sdn.sap.com/irj/sdn/thread?messageID=579794&#579794</a>
Regards,
Gianluca Barile

Error connecting using JCO.Client: null

Hi,
I created a WD app which uses the RFC FM. I followed How-To-build-webdynpro.pdf document to create the WD and trying to deploy and run, I see the view page but when I trigger the action via button UI element I get following error as exception in the try catch block of execute method
In the NWA I see
Could not create JCOClientConnection for logical System: 'WD_MODELDATA_DEST' - Model
An exception has occurred: Erorr accessing cache [region]='XCM_SESSION_SCOPE'.
[EXCEPTION]
com.sap.isa.core.cache.Cache$Exception: Cannot return access for region 'XCM_SESSION_SCOPE'. Cache is not ready
I'm using following existing JCO definition by configuring them with correct parameters. Tested them successfully
WD_RFC_METADATA_DEST
WD_MODELDATA_DEST
What am I missing? In SM04 tcode I see 2 connections are opened with 2 Megabyte not released for a long time. I think if connections are released correctly it should drop to 1 megabyte. Is there anything that I need to do just after execute method as shown below (I have replaced function module with <FM> in below code)
try {
         wdContext.node<FM>_Input().current<FM>_Get_InputElement().modelObject().execute();
     } catch(Exception exception) {
          msgMgr.reportException(exception.getLocalizedMessage(), false);
      wdContext.nodeOutput().invalidate();
      msgMgr.reportSuccess("Success");
The error is in the catch block which is displayed on the view page.
Thanks
Praveen
I modified the above code and put in finally block to close the connections as follows, please let me know if this is OK. I still get error message as "Error connecting using JCO.Client: null" but no additional connections in the SM04 after adding finally block.
try {
         wdContext.node<FM>_Input().current<FM>_Get_InputElement().modelObject().execute();
     } catch(Exception exception) {
          msgMgr.reportException(exception.getLocalizedMessage(), false);
     }finally {
          // disconnect the connection
          wdContext.<FM>_Get_InputElement().modelObject().modelInstance().disconnectIfAlive();
Edited by: Praveen11 on Oct 5, 2009 9:06 AM

Thanks Satish.
The issue is resolved. I think it was to do with permission, as I was running directly from NWDS deploy and run the session didn't have proper authorisation or something that was causing this error.
When I copy pasted the URL in the correct browser session window I got no error and function module was successfully executed.   However the issue now is that values are not showing up in the view may be to do with mapping context or model I'll review and post back as different thread.
Thanks
Praveen

URGENT: JCO.Client: null

Hello
We're using SAP EP 7.0 with webdynpro connected to SAP R3 4.6C by SapLogon Ticket.
The connection can be done with certificates for our customers (authentification header) or via logon/password for internal test on our LAN.
These webdynpro work fine on the LAN but when we connect via the web we have the error below :
com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCExecuteException: Error connecting using JCO.Client: null
Do you have any idea ?
It's on our production environment so very urgent )
Thanks

Hi
1.May be JCO's are not configured properly.Check your JCO's are up and running by pinging it in ContentAdmin->WebDynpro.
2. its a simple problem of connection pooling. In your JCO connection settings change the maximum connections to 200. It will work.it is good After you execute the Model please release the connection. The reason you are getting this JCO Client null is because the connection is not getting released.
When you say the following code
wdContext.current<BAPI_INPUT>.modelObject().execute();
//Get the reference to the model and release the connection
If your Model name is say "MO_Mymodel" then
MO_Mymodel model = (MO_Mymodel) WDModelFactory.getModelInstance(MO_Mymodel.class);
model.disconnectIfAlive();
This should release your connections. Also ensure you release the connections even if there is a exception :).
Please refer the below forum also:
Error connection using JCO.Client :null
JCO.Client: null
com.sap.mw.jco.JCO$Exception: (102) JCO_ERROR_COMMUNICATION: JCO.Client not
Thanks
susmita

How to set JCO.Table as input parameter

RunTest.java
Reservation reservation=new InvReservation();
          reservation.setRSNUM("0001");
          reservation.setMATNR("cellphone");
          reservation.setMENGE(1.0);
          reservation.setLGORT("MAINWH");
          reservation.setWERKS("HQ");
          reservation.setSERNR("AP");
          reservation.setVBELN("SD");
          try{
          Collection col=reservation.confirmReservation();
          for(Iterator it=col.iterator();it.hasNext();){
               InvReservation invRes=(InvReservation)it.next();
               System.out.println(invRes.getRSNUM()+" "+invRes.getMBLNR()+" "+invRes.getMATNR() +" "
                          +invRes.getMENGE()+" " +invRes.getSERNR()+" " +invRes.getDMBTR() +" "
                          +invRes.getZSUBRC()+" "+invRes.getZEMSG());
          }catch(Exception ex){
               System.out.println("main: " +ex );
Reservation.java
public Collection confirmReservation() throws CustomException{
          Reservation outgoingRes = new InvReservation();
          Collection col=new ArrayList();
               JCO.Function function = null;
               JCO.Client client = null;
               String functionName = "ZMM_OSB_CONFIRM_RESERVATION";
               try{
                    function = con.createFunction(functionName);
                    client = JCO.getClient(con.getConnectionPool());
                                        if (function != null) {
                         Table codes=function.getTableParameterList().getTable("ZOSB");
          int j=codes.getNumRows(); //it did not enter the for loop
                         for(int i=0;i<codes.getNumRows();i++){
                              Reservation incomingRes1=new InvReservation();
                              codes.setRow(i);
                              incomingRes1.setRSNUM(codes.getString("RSNUM"));
                              incomingRes1.setMATNR(codes.getString("MATNR"));
                              incomingRes1.setMENGE(codes.getDouble("MENGE"));
                              incomingRes1.setLGORT(codes.getString("LGORT"));
                              incomingRes1.setWERKS(codes.getString("WERKS"));
                              incomingRes1.setSERNR(codes.getString("SERNR"));
                              incomingRes1.setVBELN(codes.getString("VBELN"));
                              col.add(incomingRes1);
                               System.out.println("RSNUM:" +codes.getString("RSNUM") + 't' +
                                    "MATNR:"+ codes.getString("MATNR") + 't' +
                                    "MENGE:" +codes.getDouble("MENGE") + 't' +
                                    "LGORT:" +codes.getString("LGORT") + 't' +
                                    "WERKS:" +codes.getString("WERKS") + 't' +
                                    "SERNR:" +codes.getString("SERNR") + 't' +
                                    "VBELN:" +codes.getString("VBELN"));
                          System.out.println("after set successful");
                          client.execute(function);
                          int count= function.getExportParameterList().getFieldCount();
                         JCO.Field ZSUBRCField=function.getExportParameterList().getField("ZSUBRC");
                         JCO.Field ZEMSGField=function.getExportParameterList().getField("ZEMSG");
                          for(int i=0; i<count; i++) {
                            if(ZSUBRCField.getName().equals("ZSUBRC")){
                                   outgoingRes.setZSUBRC(ZSUBRCField.getString());
                              }else if(ZEMSGField.getName().equals("ZEMSG")){
                                   outgoingRes.setZEMSG(ZEMSGField.getString());
                         System.out.println(ZSUBRCField.getName() + ":t" + ZSUBRCField.getString());
                         System.out.println(ZEMSGField.getName() + ":t" + ZEMSGField.getString());
                          Table excodes = function.getTableParameterList().getTable("ZOSBMSEG");
                          for(int i=0;i<excodes.getNumRows();i++){
                               Reservation outgoingRes1 = new InvReservation();
                               excodes.setRow(i);
                               outgoingRes1.setRSNUM(excodes.getString("RSNUM"));
                               outgoingRes1.setMBLNR(excodes.getString("MBLNR"));
                               outgoingRes1.setMATNR(excodes.getString("MATNR"));
                               outgoingRes1.setMENGE(excodes.getDouble("MENGE"));
                               outgoingRes1.setSERNR(excodes.getString("SERNR"));
                               outgoingRes1.setDMBTR(excodes.getDouble("DMBTR"));
                               outgoingRes1.setZSUBRC(ZSUBRCField.getString());
                               outgoingRes1.setZEMSG(ZEMSGField.getString());
                               col.add(outgoingRes1);
                               System.out.println("RSNUM:" +excodes.getString("RSNUM") + 't' +
                                          "MBLNR:" +excodes.getString("MBLNR") + 't' +
                                    "MATNR:" +excodes.getString("MATNR") + 't' +
                                    "MENGE:" +excodes.getDouble("MENGE")+ 't' +
                                    "SERNR:" +excodes.getString("SERNR") + 't' +
                                    "MENGE:" +excodes.getDouble("DMBTR") + 't' +
                                    "ZSUBRC:" +ZSUBRCField.getString() + 't' +
                                    "ZEMSG:" +ZEMSGField.getString());
                         System.out.println("all ok");
               }catch(Exception ex){
                    System.out.println("Caught an exception: n" + ex);
                    throw new CustomException(ex);
               }finally{
                    if (client != null) {
                         System.out.println("Connection Closed");
                         JCO.releaseClient(client);
               return col;
everytime , when i debug, i found that it didnot enter the for loop and the j value always equals =0
int j=codes.getNumRows();
and always come up with this
JCO_ERROR_RESOURCE: Trying to access row values in a table which does not have any rows yet
Result:
AFTER CREATEFUNCTION:Name:   ZMM_OSB_CONFIRM_RESERVATION
Input:
null
Output:
| PARAMETERS 'OUTPUT'
ZEMSG
ZSUBRC
01234567890123456789012345678901234567890123456789
0   1
as stated the input is null...i dunno why i cant set the input table parameter
Message was edited by:
        yzme yzme
Message was edited by:
        yzme yzme
Message was edited by:
        yzme yzme

new code
public Collection confirmReservation() throws CustomException{
          // TODO Auto-generated method stub
          Reservation outgoingRes = new InvReservation();
          Collection col=new ArrayList();
               JCO.Function function = null;
               JCO.Client client = null;
               String functionName = "ZMM__CONFIRM_RESERVATION";
               try{
                    function = con.createFunction(functionName);
                    client = JCO.getClient(con.getConnectionPool());
                    System.out.println("AFTER CREATEFUNCTION:" + function );
                    if (function != null) {
                         JCO.ParameterList tabInput = function.getTableParameterList();
                         JCO.Table inputTable = tabInput.getTable("ZOSBIMSEG");
                         inputTable.appendRow();
                         System.out.println("checking table input:" +this.getRSNUM()+" " +this.getMATNR()+ ""
                                             +this.getMENGE()+" " +this.getLGORT()+" " +this.getWERKS() +" "
                                             +this.getSERNR()+" " +this.getVBELN());
                                                  inputTable.setValue(this.getRSNUM(),"RSNUM");
                         inputTable.setValue(this.getMATNR(),"MATNR");
                         inputTable.setValue(this.getMENGE(),"MENGE");
                         inputTable.setValue(this.getLGORT(),"LGORT");
                         inputTable.setValue(this.getWERKS(),"WERKS");
                         inputTable.setValue(this.getSERNR(),"SERNR");
                         inputTable.setValue(this.getVBELN(),"VBELN");
                                                   System.out.println("after set successful");
                          client.execute(function);
                          int count= function.getExportParameterList().getFieldCount();
                         JCO.Field ZSUBRCField=function.getExportParameterList().getField("ZSUBRC");
                         JCO.Field ZEMSGField=function.getExportParameterList().getField("ZEMSG");
                          for(int i=0; i<count; i++) {
                            if(ZSUBRCField.getName().equals("ZSUBRC")){
                                   outgoingRes.setZSUBRC(ZSUBRCField.getString());
                              }else if(ZEMSGField.getName().equals("ZEMSG")){
                                   outgoingRes.setZEMSG(ZEMSGField.getString());
                         System.out.println(ZSUBRCField.getName() + ":t" + ZSUBRCField.getString());
                         System.out.println(ZEMSGField.getName() + ":t" + ZEMSGField.getString());
                          Table excodes = function.getTableParameterList().getTable("ZOSBMSEG");
                          for(int i=0;i<excodes.getNumRows();i++){
                               Reservation outgoingRes1 = new InvReservation();
                               excodes.setRow(i);
                               //add here
                               outgoingRes1.setRSNUM(excodes.getString("RSNUM"));
                               outgoingRes1.setMBLNR(excodes.getString("MBLNR"));
                               outgoingRes1.setMATNR(excodes.getString("MATNR"));
                               outgoingRes1.setMENGE(excodes.getDouble("MENGE"));
                               outgoingRes1.setSERNR(excodes.getString("SERNR"));
                               outgoingRes1.setDMBTR(excodes.getDouble("DMBTR"));
                               outgoingRes1.setZSUBRC(ZSUBRCField.getString());
                               outgoingRes1.setZEMSG(ZEMSGField.getString());
                               //outgoingRes.setMENGE(java.lang.Double.parseDouble(codes.getString()));
                               col.add(outgoingRes1);
                               System.out.println("RSNUM:" +excodes.getString("RSNUM") + 't' +
                                          "MBLNR:" +excodes.getString("MBLNR") + 't' +
                                    "MATNR:" +excodes.getString("MATNR") + 't' +
                                    "MENGE:" +excodes.getDouble("MENGE")+ 't' +
                                    "SERNR:" +excodes.getString("SERNR") + 't' +
                                    "MENGE:" +excodes.getDouble("DMBTR") + 't' +
                                    "ZSUBRC:" +ZSUBRCField.getString() + 't' +
                                    "ZEMSG:" +ZEMSGField.getString());
                         System.out.println("all ok");
               }catch(Exception ex){
                    System.out.println("Caught an exception: n" + ex);
                    throw new CustomException(ex);
               }finally{
                    if (client != null) {
                         System.out.println("Connection Closed");
                         JCO.releaseClient(client);
               return col;
Just to let's you know something here...
the input parameter is a table structure...so when i execute this.
Caught an exception:
java.lang.NullPointerException
JCO.ParameterList list = function.getImportParameterList();
                          list.setValue(this.getRSNUM(),"RSNUM");
                          list.setValue(this.getMATNR(),"MATNR");
                          list.setValue(this.getMENGE(),"MENGE");
                          list.setValue(this.getLGORT(),"LGORT");
                          list.setValue(this.getWERKS(),"WERKS");
                          list.setValue(this.getSERNR(),"SERNR");
                          list.setValue(this.getVBELN(),"VBELN");
so i changed to ....
it get what i want....
but again the result of the input is still null
     JCO.ParameterList tabInput = function.getTableParameterList();
                         JCO.Table inputTable = tabInput.getTable("ZOSBIMSEG");
                         inputTable.appendRow();
                         System.out.println("checking table input:" +this.getRSNUM()+" " +this.getMATNR()+ ""
                                             +this.getMENGE()+" " +this.getLGORT()+" " +this.getWERKS() +" "
                                             +this.getSERNR()+" " +this.getVBELN());
                                                  inputTable.setValue(this.getRSNUM(),"RSNUM");
                         inputTable.setValue(this.getMATNR(),"MATNR");
                         inputTable.setValue(this.getMENGE(),"MENGE");
                         inputTable.setValue(this.getLGORT(),"LGORT");
                         inputTable.setValue(this.getWERKS(),"WERKS");
                         inputTable.setValue(this.getSERNR(),"SERNR");
                         inputTable.setValue(this.getVBELN(),"VBELN");
AFTER CREATEFUNCTION:Name:   ZMM_OSB_CONFIRM_RESERVATION
Input:
null
Output:
| PARAMETERS 'OUTPUT'
| ZEMSG                                            | ZSUBRC |
|01234567890123456789012345678901234567890123456789|   0   1|
|                                                  |00000000|

Dynamic JCO Client

Hi,
there is a way to create a dynamic JCO.Client?
I have this code:
JCO.Client jcoclient =   JCO.createClient(
                     "data",
                    "data",
                     "password",
                     "it",
                    "10.140.5.122",
                    "12");
          jcoclient.connect();
I want to get dynamically from the system the parameters for method "createClient". It's possible??There is a way??
THANS

>
Andrea Ruocco wrote:
> Hi,
> there is a way to create a dynamic JCO.Client?
> I have this code:
>
>
> I want to get dynamically from the system the parameters for method "createClient". It's possible??There is a way??
> THANS
To avoid hard coding the JCO connection details, take a look at the [Destination Service API|http://help.sap.com/saphelp_nw04/helpdata/en/8b/8e7dac1e661d44bf2a676fd3948cc6/frameset.htm].
Here is a [blog|https://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/10300] on how to use the SAP Enterprise Connector (which is used to call JCOs) with the Destination Service API. Once the Destination service is set up, you can then create your JCO.client as follows
final InitialContext ctx = new InitialContext();
final DestinationService dstService = (DestinationService)ctx.lookup(DestinationService.JNDI_KEY);
if (dstService == null)
throw new NamingException("Destination Service not available");
RFCDestination dst;
// get the ERPR3 destination created in visual administrator
dst = (RFCDestination) dstService.getDestination("RFC", "ERPR3");
Properties jcoProperties = dst.getJCoProperties();
//Establish a direct connection
JCO.Client client = JCO.createClient(jcoProperties);
client.connect();

Abap Rfc External Debug from a Jco Client Connection

Hi to all,
i have developed a Java Application on Sap J2ee (SAP-JEE 7.01 SP6) , using the Jco2 integrated.
I'm using direct connection , calling Custom Functions Module on Abap Stack.
I have a question about Abap Debugging:
now i debug the abap function setting an external session breakpoint (SE37) and the abap debug stops correctly on breakpoint that i've set.
But sometimes i notice the strange situation that during my debug another debug session (identical to the first) is open on my sap gui (it seems that Jco sends another request while i'm debugging the first )
Reading the jco documentation i've seen this method that i never used: JCO.Client setAbapDebug(boolean debug)
Enables/disables abap debug.
Note:If the connection is already established the method will close and reopen the connection.
have I to set this in my java code in addition to abap external breakpoint? Why Jco.Client sends another request?
Thanks for the answers
Alessandro

Anyone know?
Thanks,
Augusto Póvoa.

What happens if JCO.Client object not disconnected?

Hi All,
Can anyone tell me what happens if a JCO.Client( which is connected to SAP) is not disconnected? Will it be connected? or JCO disconnects it after sometime? or SAP itself disconnects it?
JCO.Client client = JCO.createClient(....);
client.connect();
If I run this simple code and leave it, what will happen to the connection opened?
Thanks in advance.

We are using JCO with SAP J2EE and have found something strange. We are setting the idle_timeout property and the SAP user is logging off, however we accumulate DISCONNECTED sessions in the SAP gateway. If the gateway limit is reached, additional connections fail. We used a modified version of the sample program to isolate the problem.
Test Program:
import java.io.IOException;
import com.sap.mw.jco.*;
public class Test {
    public static void main(String args[]) {
        byte instring[] = new byte[20];
        JCO.Client jcoClient = JCO.createClient("200", "user", "password", "EN",
                "bhha.na.pg.com", "00");
        jcoClient.setProperty("idle_timeout","60");
        jcoClient.connect();
        System.out.print("Read:");
        System.out.flush();
        try {
            System.in.read(instring);
        } catch (IOException e) {
            e.printStackTrace();
During 60 second period, transaction smgw shows the following information as expected. There is also a logged in user in SM04.
   44 7BWGF21 javaw    t0331        CONNECTED    <unknown 99703871 INT 15:13:10 0    0
After 60 seconds, the user disappears from SM04, however the smgw connection goes to a disconnect state as follows.
   44 7BWGF21 javaw    t0331        DISCONNECT   <unknown 99703871 INT 15:14:44 0    0
This session stays in this state until the enter key is pressed and the java app terminates. This is problem with a J2EE server app were the java process does not terminate.
Thanks,
Harry

Security Issue while running client object code

Hi Team,
I have client object code to create SharePoint list items and i am using the below codes,
ClientContext clientContext = new ClientContext("MyCompanySiteName");
List olist = clientContext.Web.Lists.GetByTitle("Employee");
ListItemCreationInformation itemCreateInfo = new ListItemCreationInformation();
for (int i = 13; i <= 25; i++)
ListItem oListItem = olist.AddItem(itemCreateInfo);
oListItem["Title"] = "TEST" + i.ToString();
oListItem.Update();
clientContext.ExecuteQuery();
Here my question is , i have list with 4 mandatory fields and i have run this code against the same list.
Where i can able to create list items without filling mandatory fileds using this above code.
How we are creating list items , without entering/filling Mandtory fields in SharePoint list.
Is this security issue or bug in SharePoint client object code.
Thanks
S.Jeeva
Jeeva

Hi!
I agree with sadomovalex.
This is by design and it is not security issue, it is rather consistency issue. It should be resolved via checking for required values before use or via implementing event receivers that throw errors if the required values are not set.
If my suggestion helped you to solve your problem, please don't forget to mark it as Answer

Clearing Payment to a G/L account set up in Reason Code

I am having a problem posting an overpayment/underpayment to a G/L account using a reason code. What I am attempting to do is, using F-28, have the remainder of an underpayment post to a G/L account attached to the reason codes. What I need to have work is that in F-28 I do not want to have to enter any data on what the residual amount is, it should just take whatever is not paid and apply it to the G/L account tied to the reason code. I have set 3 new reason codes in OBBE to test different possibilities with the checkboxes in that transaction, and have attached each of the reason codes to accounts using OBXL. What is happening now is that when I enter a short pay amount for an invoice and I enter a reason code in the RCd field in the residual tab - I hit save and it seems to try to attach the remaining amount to an account that is currently tied to a blank reason code in our setup in OBXL. I would think that since I am placing a code in the RCD field, that it would use the account tied to that. I have also tried to use the reason code field below, but encounter the same results or, with one of my codes that has the "charge off difference via separate account" checkbox checked, it will not allow that code in that field below.
There must be a way to take the shortpay amoun,t and without entering the residual amount anywhere, use the G/L account tied to the reason code to post the remainder to. Can anybody help on what I may need to do to get this to work?
Thanks -
PS. This is not a tolerance issue as I have set the tolerances for both the customer and the user high enough to allow under/overpayments.

No... this is SAP standard.... if you are treating them as residual payment and the GL is seperate than the small diff GL we have to enter the amount there..... as system cannot understand whats the differnece when we dont put the amount there......
we can always see the field NOT ASSIGNED in the bootom.. it is just the matter of copy paste for the user.... it has to come thro user discipline.... i dont see a standard sap way of doing it,....

Currency setting in multiple company code.

Dear all,
we are having 3 company codes in one client.
and we have to set the Currency setting for multiple company codes.
Tcodes
S_BCE_68000174 - Enter Translation Rates
S_ALR_87003642 - Open and Close Posting Periods
it is not allowing us to set the values at a same time for different company codes by different users
it says " DATA LOCKED BY OTHER USER, ONLY DISPLAY MODE."
Pls assist
Thanks

Ask for access to delete lock entries. If access is provided, use T code sm12 to delete the lock entries.
@ Irfan you cannot do that. Only one user can use a table at a time.
It is like using an ATM. Only one person can withdraw money at a time.
Edited by: Dummy_Variable on Jul 27, 2011 9:34 AM

Supplying username and password to repository via code

Hi There,
Is there a way to supply the username and password to the webdav repository via code or in the address line? We have an ActiveX object accessing files and would like to avoid the repository prompting.
Thanks

With Script I can do it as follows.. See VerifyConnection
Option Explicit
Const iTimeOutInSecs = 60
Const ForWriting = 2
Rem ************** MAIN *****************
main
Wscript.quit
Sub Main
Dim WShell, FileSystem
Dim davControl
Dim objArgs, targetPath, serverURL, username, password, rootFolder, filter
Dim fileUploadList, result
Dim folderList, filelist
Dim status
Dim spoolFile
Set wShell     = WScript.CreateObject("WScript.Shell")
Set fileSystem = WScript.CreateObject("Scripting.FileSystemObject")
Set spoolFile = fileSystem.OpenTextFile("httpUploadLoad.log", ForWriting, True)
Set objArgs = WScript.Arguments
targetPath = objArgs(0)
serverUrl   = objArgs(1)
username    = objArgs(2)
password    = objArgs(3)
rootFolder = objArgs(4)
If objArgs.length = 6 Then
    filter    = objArgs(5)
Else
    filter = Empty
End If
Set fileUploadList = CreateObject("Msxml2.DOMDocument.4.0")
fileUploadList.async = False
result = fileUploadList.load(targetPath)
If (result = False) Then
    MsgBox "Failure while loading or parsing file : " & targetPath,vbCritical
    Wscript.quit
End If
Set davControl = new DavControlClass
davControl.setServer serverURL, username, password
davControl.setSpoofile(spoolfile)
status = verifyHttpConnection(davControl, username)
Set folderList = fileUploadList.documentElement.selectNodes("/Upload/directories/directory")
createFolders davControl, rootFolder, folderList, username, password, filter
Set fileList = fileUploadList.documentElement.selectNodes("/Upload/files/file")
uploadFiles davControl, rootFolder, fileList, username, password, filter
spoolfile.close()
End Sub
Function verifyHttpConnection(davControl,username)
Dim status, targetFolder
targetFolder = "/home/" & username
status = davControl.verifyConnection(targetFolder)
verifyHttpConnection = status
End Function
Sub createFolders(davControl, rootFolder, folderList, username, password, filter)
Dim i, targetFolder, targetFolderPath
For i = 0 to folderList.length - 1
    Set targetFolder = folderList.item(i)
    targetFolderPath = rootFolder & targetFolder.text
    If IsNull(filter) or (InStr(targetFolder.text,filter) = 1) Then
      'wscript.echo "Making " & targetFolderPath
      davControl.makeDir targetFolderPath,true
    End If
Next
End Sub
Sub uploadFiles(davControl, rootFolder, fileList, username, password, filter)
Dim i, targetFile, targetFilename, localFilename
For i = 0 to fileList.length - 1
    Set targetFile = fileList.item(i)
    targetFilename = rootFolder & targetFile.text
    localFilename = Right(replace(targetFile.text,"/","\"),Len(targetFile.text)-1)
    If IsNull(filter) or (InStr(targetFile.text,filter) = 1) Then
      'wscript.echo "Uploading " &localFilename & " as " & targetFilename
      davControl.uploadFile localFIlename, targetFileName, "FORCE"
    End If
Next
End Sub
Class DavControlClass
Private HTTPUser
Private HTTPPassword
Private HTTPServer
Private installParameters
Private windowsShell
Private XMLHTTP_CLASS_ID
Private HttpObject
Private spoolFile
Dim     folderStatusList
Private Sub Class_Initialize()
    XMLHTTP_CLASS_ID = "Msxml2.XMLHTTP.6.0"
    Set HttpObject = CreateObject(XMLHTTP_CLASS_ID)
    folderStatusList = Empty
End Sub
Public Sub setSpoofile(file)
    Set spoolFile = file
End Sub
Public Sub setParameters(wshell, params)
    Set installParameters = params
    Set windowsShell = wShell
    setServer params.getServerURL(), params.getUser(), params.getPassword()
End Sub
Public Sub setServer(serverURL,serverUser,serverPassword)
    HTTPServer   = serverURL
    HTTPUser     = serverUser
    HTTPPassword = serverPassword
End Sub
Public Function getServerURL
    getServerURL= HTTPServer
End Function
Public Function verifyConnection(target)
    On Error Resume Next
    HttpObject.Open "HEAD", HTTPServer & target, false, HTTPUser, HTTPPassword
    If Err.Number <> 0 Then
      WScript.echo "verifyConnection() - Fatal Error encountered accessing : " & HTTPServer & target & ". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    HttpObject.setRequestHeader "Content-type", "text/xml"
    HttpObject.setRequestHeader "Depth", "1"
    On Error Resume Next
    HttpObject.send ("")
    If Err.Number <> 0 Then
      WScript.echo "resetConnection() - Fatal Error encountered accessing : " & HTTPServer & target & ". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    If HTTPObject.status <> 200 Then
      MsgBox "Unable to access " & getServerURL() & target & ". HTTP Status = " & HTTPObject.status & ". Please correct installParameters.xml and restart Installation",vbCritical
      Wscript.quit
    End If
    spoolfile.writeline "HTTP Successfully Connected to '" & getServerURL() & target
    verifyConnection = HTTPObject.status
End Function
Public Function uploadFile (local, remote, mode)
    Dim returnCode, rc
    returnCode = doHead(remote)
    If returnCode = 401 Then
      MsgBox "uploadFile() - Unauthorized (Status (" & returnCode & "). Unable to upload '" & local & "' into '" & remote & "'. Please check installParameters.xml and log files.",vbCritical
      Wscript.quit
    End If
    If returnCode = 200 Then
      If mode = "ERROR" Then
        MsgBox "uploadFile() - Installation Failed. Resource Exists : '" & remote & "'. Please check installParameters.xml and restart Installation",vbCritical
        Wscript.quit
      End If
      If mode = "SKIP" Then
        uploadFile = returnCode
        Exit Function
      End If
      If mode = "FORCE" Then
        rc = doDelete(remote)
      End If
    End If
    uploadFile = doPut (local, remote, null)
    If uploadFile = 500 Then
      MsgBox "UploadFile() - Upload Failed (Status (" & uploadFile & "). Unable to upload '" & local & "' into '" & remote & "'. Retry in Progress.",vbCritical
      uploadFile = doPut (local, remote, null, user, password)
      If uploadFile = 500 Then
        MsgBox "UploadFile() - Installation Failed (Status (" & uploadFile & "). Unable to upload '" & local & "' into '" & remote & "'. Please check installParameters.xml and log files.",vbCritical
        Wscript.quit
      End If
    End If
    If uploadFile = 401 Then
      MsgBox "UploadFile() - Unauthorized (Status (" & uploadFile & "). Unable to upload '" & local & "' into '" & remote & "'. Please check installParameters.xml and log files.",vbCritical
      Wscript.quit
    End If
End Function
Public Function makeDir(targetFolder,force)
    Dim Status, ParentFolder
    status = doHEAD(targetFolder)
    If not IsEmpty(folderStatusList) Then
      folderStatusList.add targetFolder, status
    End If
    If (status = 404 or status = 409) and force Then
      parentFolder = Mid(targetFolder,1,InStrRev(targetFolder,"/")-1)
      makeDir parentFolder,true
      status = doMKCOL(targetFolder)
    End If
    makeDir = status
    If status = 401 Then
      MsgBox "doMKCOL() - Unauthorized (Status (" & status & "). Unable to create '" & targetFolder & "'. Please check installParameters.xml and log files.",vbCritical
      Wscript.quit
    End If
End Function
Public Function doHEAD(remote)
    ' Dim HttpObject
    ' Set HttpObject = CreateObject(XMLHTTP_CLASS_ID)
    ' HttpObject.Open "HEAD", HTTPServer & remote, false, user, password
    HttpObject.Open "HEAD", HTTPServer & remote, false
    HttpObject.setRequestHeader "Content-type", "text/xml"
    HttpObject.setRequestHeader "Depth", "1"
    On Error Resume Next
    HttpObject.send ("")
    If Err.Number <> 0 Then
      WScript.echo "doHEAD() - Fatal Error encountered accessing : " & HTTPServer & remote & ". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    doHead = HttpObject.status
End Function
Public Function doPUT(local,remote,contentType)
    Dim tmStart
    Dim tmCurr
    Dim iTimeTaken
    Dim currentStatus
    Dim ado_stream
    Dim uploadCount, uploadStatus
    Set ado_stream = CreateObject("ADODB.Stream")
    ado_stream.Type = 1
    ado_stream.Open()
    On Error Resume Next
    ado_stream.LoadFromFile(local)
    If Err.Number <> 0 Then
      WScript.echo "doPUT() - Fatal Error encountered reading File : " & local & ". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    HttpObject.Open "PUT", HTTPServer & remote, false
    If not IsNull(contentType) Then
      HttpObject.setRequestHeader "Content-type", contentType
    End If
    tmStart = Now
    On Error Resume Next
    HTTPObject.send(ado_stream.Read(-1))
    If Err.number <> 0 Then
      ' Unexpected errors can occur as a result of the HTTP request being passed to wrong database instance
      ' when multiple databases are using the same listener.
      WScript.echo "doPUT() - Fatal Error encountered uploading File : " & local & ". Status (" & Hex(Err.number) & ") " & Err.Description
      WScript.quit
   Else
      currentStatus = HTTPObject.status
    End If
    On Error GoTo 0
    uploadCount = 1
    uploadStatus = doHead(remote)
    Do While uploadStatus <> 200 and uploadCount < 6
      ' Unexpected errors can occur as a result of the HTTP request being passed to wrong database instance
      ' when multiple databases are using the same listener.
      spoolfile.writeline "Http Error encountered uploading " & local & " to " & HTTPServer & remote &". Status=" & currentStatus
      currentStatus = retryPUT(local,remote,contentType)
      uploadCount = uploadCount + 1
      uploadStatus = doHead(remote)
    Loop
    If uploadStatus = 200 Then
      tmCurr = Now
      spoolFile.writeLine "Uploaded File " & local & ". Elapsed Time = " & CInt(DateDiff("s", tmStart, tmCurr)) & " seconds."
    Else
      WScript.echo "doPUT - Fatal Error uploading file (" & HTTPServer & remote & ") : Status=" & HTTPObject.status
      WScript.quit
    End If
    doPut = currentStatus
    ado_stream.Close()
End Function
Public Function retryPUT(local,remote,contentType)
    Dim ado_stream
    Set ado_stream = CreateObject("ADODB.Stream")
    ado_stream.Type = 1
    ado_stream.Open()
    On Error Resume Next
    ado_stream.LoadFromFile(local)
    If Err.number <> 0 Then
      WScript.echo "doPUT() - Fatal Error encountered reading File : " & local & ". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    HttpObject.Open "PUT", HTTPServer & remote, true
    If not IsNull(contentType) Then
      HttpObject.setRequestHeader "Content-type", contentType
    End If
    On Error Resume Next
    HTTPObject.send(ado_stream.Read(-1))
    If Err.Number <> 0 Then
      ado_stream.Close()
      WScript.echo "doPUT() - Fatal Error encountered sending File : " & local & " to " & HTTPServer & remote &". Status (" & Hex(Err.number) & ") " & Err.Description & ". Retrying ...."
      Wscript.quit
    Else
      Do While HTTPObject.readyState <> 4
        WScript.Sleep(1000)
      Loop
    End If
    On Error GoTo 0
    ado_stream.Close()
    retryPut = HTTPObject.status
End Function
Public Function doMKCOL(remote)
    ' wscript.echo "doMKCOL (" & HTTPServer & remote & ")"
    Dim currentStatus
    HttpObject.Open "MKCOL", HTTPServer & remote, false
    HttpObject.setRequestHeader "Content-type", "text/xml"
    On Error Resume Next
    HttpObject.send("")
    If Err.Number <> 0 Then
      WScript.echo "doMKCOL() - Fatal Error encountered making Folder : " & HTTPServer & remote &". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    If HTTPObject.status <> 201 Then
      WScript.echo "doMKCOL() - Fatal Error encountered making Folder : " & HTTPServer & remote &". Status (" & HTTPObject.status & ")."
      Wscript.quit
    End If
    doMKCOL = HTTPObject.status
End Function
Public Function doDELETE(remote)
    HttpObject.Open "DELETE", HTTPServer & remote, false
    HttpObject.setRequestHeader "Content-type", "text/xml"
    On Error Resume Next
    HttpObject.send("")
    If Err.Number <> 0 Then
      WScript.echo "doMKCOL() - Fatal Error deleting : " & HTTPServer & remote &". Status (" & Hex(Err.number) & ") " & Err.Description
      Wscript.quit
    End If
    On Error GoTo 0
    doDELETE = HTTPObject.status
    If HTTPObject.status <> 201 and HTTPObject.status <> 204 and HTTPObject.status <> 207 and HTTPObject.status <> 404 Then
      wscript.echo "doDELETE (" & HTTPServer & remote & ") : Status=" & HTTPObject.status
    End If
End Function
End Class

Setting Fields value via reflection

I'm starting from a c# code:
          internal void RefreshFromObject(object objFromUpdate)
               if (this.GetType()==objFromUpdate.GetType())
                    PropertyInfo[] fieldsFrom = objFromUpdate.GetType().GetProperties();
                    PropertyInfo[] fieldsThis = this.GetType().GetProperties();
                    for(int idxProp=0; idxProp<fieldsFrom.Length;idxProp++)
                         if (fieldsThis[idxProp].CanWrite && fieldsFrom[idxProp].CanRead)
                              fieldsThis[idxProp].SetValue(this, fieldsFrom[idxProp].GetValue(objFromUpdate,null),null);
               else
                    throw new ObjectTypeNotValidException("Object type from which update current instance not valid. Use same type.");
Now I have to translate it in Java:
Class clazz = objFromUpdate.getClass();
Class thisClazz = this.getClass();
do {
     Field[] fieldsFrom = clazz.getDeclaredFields();
     Field[] fieldsThis = thisClazz.getDeclaredFields();
     try {
          fieldsThis[idxProp].set(thisClazz, fieldsFrom[idxProp].get(clazz));
     catch (IllegalAccessException iaccEx) {
          System.out.println("IllegalAccessException");
     catch (IllegalArgumentException iaccEx) {
          System.out.println("IllegalArgumentException");
clazz = clazz.getSuperclass();
thisClazz = thisClazz.getSuperclass();
} while (clazz != null && clazz != Object.class);
My problem is that I don't know if the field type is one of primitive, for which I should use the particular setters and getters.
My questions are:
1) is there in Java a more elegant way to set fields values via reflection?
2) how can I know if a field i changable (equivalent to the method CanWrite of c#?
Thanks a lot to each one that will answer me.
Marco

Hi georgemc,
thanks for replying. I-m new with java forum, so I don't know if it is correct the code tags...
Anyway... the problem is that the Field of reflected object could be both of Object types or primitive types. So I cannot use the general method "set" when changing Field's value.
Maybe somebody else had the same problem...
Seems in C# it is a very easy thing... not in java :(
Marco
Class clazz = objFromUpdate.getClass();
Class thisClazz = this.getClass();
do {
Field[] fieldsFrom = clazz.getDeclaredFields();
Field[] fieldsThis = thisClazz.getDeclaredFields();
try {
fieldsThis[idxProp].set(thisClazz, fieldsFrom[idxProp].get(clazz));
catch (IllegalAccessException iaccEx) {
System.out.println("IllegalAccessException");
catch (IllegalArgumentException iaccEx) {
System.out.println("IllegalArgumentException");
clazz = clazz.getSuperclass();
thisClazz = thisClazz.getSuperclass();
} while (clazz != null && clazz != Object.class);

Set JCO CLient via code

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