How to Maintain Jco Destinations ( using ARFC2 )

Hi Friends
I call ARFC2 setting WD_MODELDATA_DEST and WD_RFC_METADATA_DEST.
... then get error message.
com.sap.conn.jco.JCoException: (106) JCO_ERROR_RESOURCE: Destination WD_RFC_METADATA_DEST does not exist
 at com.sap.conn.jco.rt.DefaultDestinationManager.update(DefaultDestinationManager.java:195)
 at com.sap.conn.jco.rt.DefaultDestinationManager.searchDestination(DefaultDestinationManager.java:344)
 at com.sap.conn.jco.rt.DefaultDestinationManager.getDestinationInstance(DefaultDestinationManager.java:96)
 at com.sap.conn.jco.JCoDestinationManager.getDestination(JCoDestinationManager.java:61)
 at com.sap.tc.cm.arfc2.metadata.RFMParser.<init>(RFMParser.java:78)
 ... 74 more
I wnat to Maintain the demo01's JCo Destinations, but the page is null.
Where can I create WD_MODELDATA_DEST、WD_RFC_METADATA_DEST.
thx.

Hi BenChen,
You need to create JCO Destination in the SAP Portal >> Content Administration >> Web dynpro >> Maintain Jco Destinations.
If "Create" button not active,then you need to check SLD running or not and SLD data supplier.
Please refer to below documents will helps
[System Landscape Directory Process and JCo Configuration|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/c0c1d495-048e-2b10-babd-924a136f56b5?quicklink=index&overridelayout=true]
[JCO Destination Errors|http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/d0019b1a-775f-2910-beb8-d81f27d0d8d0?quicklink=index&overridelayout=true]
[How to Configure the JCo Destination Settings|https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/user-interface-technology/wd%20java/7.0/portal%20integration/how%20to%20configure%20the%20jco%20destination%20settings.pdf]
Hope it will helps
Regards
Arun Jaiswal

Similar Messages

Maintaining JCO destinations

HI experts,
We are using a standard sdn example for flight booking . We have downloaded zip file from sdn. We did all the steps to build the project in the netweaver studio help. After deployment we are not able to maintain JCO destinations. The error is " Unable to obtain JCO destinations and it a system landscape exception". We tried to create our own JCO destinations but the same.

Hi,
Login to http://host:port/index.html
Go to Webdynpro -> Content Administrator. Click on 'Maintain JCo Destinations'.
The JCo connections you have created should be in green colour. If so, try to test the two connections (meta and model data) first. If both are successful, then ping them and check. If it works, then check from the project if you are using the right JCo connectors. If everything is fine, then it should work.
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I am getting the following error when trying to log in to MSS:
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When going to Content Administration->WebDynpro Content->Maintain JCO destinations, the button "Maintain JCO destinations" is disabled. I am logged in as an adminsitrator.
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I tried from Visual Administrator->SLD Data Supplier to trigger SLD data supply. I get the following error: "Failed to send HTTP data:401. Unauthorized".
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Maintain JCO Destination Issue

Hi ,
I have configured SLD and maintained JCO destination WD_MODELDATA_DEST and WD_MODELDATA_DEST with SAP backend connection details.
When i tried to create the JCO desitnation , i m getting the following issues:
JCo destination 'RFC_MODEL' was successfully created in SLD.
Exception while getting JCo Clients Failed to get list of defined JCO clients for deployable object 'sap.com/cafeugpcroomwd'.
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when i try to test the connection, i m having the following issue.
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=op60vimt75 GROUP=SPACE R3NAME=T75 MSSERV=sapmsT75 PCS=1 ERROR service 'sapmsT75' unknown TIME Sat Apr 17 03:32:23 2010 RELEASE 700 COMPONENT NI (network interface) VERSION 38 RC -3 MODULE nixxhsl.cpp LINE 776 DETAIL NiHsLGetServNo: service name cached as unknown COUNTER 1
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your help is appreciated!!!
Regards,
Ravi.
Edited by: ravikanth kasim on Apr 17, 2010 9:45 AM

Hi Ravi,
Please refer to below document for jco errors
[Troubleshooting SAP Java Connector |http://wiki.sdn.sap.com/wiki/display/EP/TroubleshootingSAPJavaConnector(JCo)]
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/d0019b1a-775f-2910-beb8-d81f27d0d8d0?quicklink=index&overridelayout=true
Creating JCO Connectivity from J2EE to SAP
Hope it helps
Regards
Arun

Maintaining JCO Destination

Hi Experts,
After Installing EP and connecting through our BW System, i got stuck in maintaining JCO destination through Content Administration.
Initially on the screen of maintaining JCO Destination, the Status is RED for all the Data sources, now when i click on create. it shows an Error Message which is
500 Internal Server Error - Failed to process request. Please contact your system administrator.
   java.lang.NullPointerException
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Hey Deepu,
Thanks for the quick reply. What to maintain in the Host file ?
Only IP and Host name is there.
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Unable to create a jco destination using remote AS Java system on myjava sy

Dear SAP Gurus,
I had ce 7.1 and nw 2004s based AS java Systems.I want to create a jco destination in my CE 7.1 system using usermapping data of nw 2004s for jco communication.So i created a AS Java system of NW2004s in my CE 7.1 SLD .when i try to create a jco destination using the AS JAVA as Nw2004s system it is not creating .Please help me to solve this issue.
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Hi vanamaSanthosh
try this
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Wrong JCO destination used at Runtime

hi,
I created a Model using the following JCO Destinations
'WD_RFC_METADATA_DEST_HCM'
When I run the application, it gives me folowing error
Failed to resolve JCO destination name 'WD_RFC_METADATA_DEST' in the SLD. No such JCO destination is defined in the SLD
Where is it getting this 'WD_RFC_METADATA_DEST' ? though my JCO destination name is 'WD_RFC_METADATA_DEST_HCM'
Thanks !
seventyros

Hi,
Make sure you deploying to the SAME server where you have configured and maintained the JCo destination.
Also check the server name and port when you are running your WD application and server name and port you are using for WD content administration.
Also What is the version of your NWDS ?
In NWDS 7.1, we would require a totally different way to maintain the JCo destinations comparing to the past.
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Vijay.

Error while executing template installer: Step 14 Maintain JCO Destinations

Dear all:
We are applying Template Installer to perform post installation for BI-JAVA in NW2004s SP09.
Onto step 14: Maintain WebDynpro JCO Destinations, we faced the following Error message :
Element 'SAPConfigLib.BW8.Unclassified.maintainJcoDestination':!BrokerImport.import_of_element_failed!!BrokerImport.Fehler!com.sap.tc.lm.ctc.cul.cpi.exceptions.CPIBaseException: <Localization failed: ResourceBundle='com.sap.tc.lm.ctc.cul.cpi.CPIResourceBundle', ID='com.sap.tc.lm.ctc.cul.cpi.BaseException_BASE_EXCEPTION', Arguments: []> : Can't find resource for bundle java.util.PropertyResourceBundle, key com.sap.tc.lm.ctc.cul.cpi.BaseException_BASE_EXCEPTION:com.sap.tc.lm.ctc.provider.javaServiceProvider.JavaServiceWriter.writeElement!BrokerImport.LINE!157-:com.sap.tc.lm.ctc.cul.broker.BrokerImport.importElement.86
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-:com.sap.tc.lm.ctc.cul.broker.BrokerImport.importElement.128
-:com.sap.tc.lm.ctc.cul.serviceimpl.importservice.CULConfigurationImport.importConfiguration.96
-:com.sap.tc.lm.ctc.ccl.templateinstaller.StepExecuter.run.41
Element 'SAPConfigLib.BW8.Unclassified.maintainJcoDestination':Error during executing Java Reflection:Failed to delete JCO client connection 'WD_ALV_MODELDATA_DEST' on 'BW8.SystemHome.sap15\kin'
Does anyone have any idea about it ?
Thank you very much
SF

We are encountering the same issue in NW2004s SP 10. Szu-Fen, did you find a solution? If so, could you please post it here?
Does anybody else have a hint how to resolve this?
kind regards,
Hartmut

How to Maintain documentation (se38) using standard text (SO10)

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I have created standard text using SO10. Now I want to include the standard text in documentation (SE38) section of my ABAP program.
I tried using /: INCLUDE 'YTEST' OBJECT TEXT ID ST LANGUAGE EN
But the standard text is not showing up when I click the documentation icon in the selection screen.
Can you please let me know how to maintain documentation for ABAP programs using Standard Texts.
Thanks in advance.
Sincerely,
Vidya

Hi Mahesh,
In SO10, which format key has been used (AS, /*, /:, *.... to show up in documentation). when you used insert->text-> did you use 'expand immediately' check box. If expand immediately option is used, it won't serve our purpose.
=
(space)
Example
SO10 Yeurope_terms
Inside Yeurope_terms
Terms: For Europe
/* No Tax for Italy
Waiting for your reply.
Sincerely,
Vidya

Maintain JCo Destination for ESS on EP 7.0

On Installling ESS Package on EP-7.0 and SAP ECC 6.0
i got following dump on ESS overview page
I have maintained all SAP_R3* JCo Destinations
but for 'SAP_R3_SelfServiceGenerics_MetaData' test and pinging is giving error
test: com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscapeException: Error while obtaining JCO connection.
ping: Failed to get JCo destination 'SAP_R3_SelfServiceGenerics_MetaData': Error while obtaining JCO connection.
DUMP-Details--
com.sap.tc.webdynpro.services.exceptions.TypeNotFoundException: type com.sap.pcuigp.xssfpm.wd.model.types.Ext_Service could not be loaded: com.sap.dictionary.runtime.DdException: TypeBroker failed to access SLD: Error while obtaining JCO connection.
 at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getSimpleType(DataTypeBroker.java:250)
 at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getDataType(DataTypeBroker.java:213)
 at com.sap.tc.webdynpro.progmodel.context.DataAttributeInfo.init(DataAttributeInfo.java:318)
 at com.sap.tc.webdynpro.progmodel.context.NodeInfo.initUnmappedAttributes(NodeInfo.java:670)
 at com.sap.tc.webdynpro.progmodel.context.DataNodeInfo.doInit(DataNodeInfo.java:233)
 at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:654)
 at com.sap.tc.webdynpro.progmodel.context.NodeInfo.init(NodeInfo.java:657)
 at com.sap.tc.webdynpro.progmodel.context.Context.init(Context.java:40)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:199)
 at com.sap.tc.webdynpro.progmodel.controller.Component.getCustomControllerInternal(Component.java:443)
 at com.sap.tc.webdynpro.progmodel.controller.Component.getController(Component.java:372)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.getPublicInterface(DelegatingComponent.java:181)
 at com.sap.pcuigp.xssfpm.wd.wdp.InternalFPMComponent.wdGetBackendConnectionsController(InternalFPMComponent.java:219)
 at com.sap.pcuigp.xssfpm.wd.FPMComponent.wdDoInit(FPMComponent.java:208)
 at com.sap.pcuigp.xssfpm.wd.wdp.InternalFPMComponent.wdDoInit(InternalFPMComponent.java:110)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.doInit(DelegatingComponent.java:108)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
 at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.init(ClientComponent.java:429)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:345)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.initApplication(ApplicationSession.java:668)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:268)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingPortal(ClientSession.java:725)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:661)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:227)
 at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:150)
 at com.sap.tc.webdynpro.clientserver.session.core.ApplicationHandle.doProcessing(ApplicationHandle.java:73)
 at com.sap.tc.webdynpro.portal.pb.impl.AbstractApplicationProxy.sendDataAndProcessActionInternal(AbstractApplicationProxy.java:739)
 at com.sap.tc.webdynpro.portal.pb.impl.AbstractApplicationProxy.create(AbstractApplicationProxy.java:208)
 at com.sap.portal.pb.PageBuilder.updateApplications(PageBuilder.java:1240)
 at com.sap.portal.pb.PageBuilder.createPage(PageBuilder.java:340)
 at com.sap.portal.pb.PageBuilder.init(PageBuilder.java:538)
 at com.sap.portal.pb.PageBuilder.wdDoInit(PageBuilder.java:177)
 at com.sap.portal.pb.wdp.InternalPageBuilder.wdDoInit(InternalPageBuilder.java:150)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.doInit(DelegatingComponent.java:108)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215)
 at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200)
 at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.init(ClientComponent.java:429)
 at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:345)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.initApplication(ApplicationSession.java:668)
 at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:268)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:705)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:659)
 at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:227)
 at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:150)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:56)
 at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:47)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:390)
 at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:264)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:347)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:325)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:887)
 at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:241)
 at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92)
 at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:148)
 at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:33)
 at com.sap.engine.core.cluster.impl6.session.MessageRunner.run(MessageRunner.java:41)
 at com.sap.engine.core.thread.impl3.ActionObject.run(ActionObject.java:37)
 at java.security.AccessController.doPrivileged(Native Method)
 at com.sap.engine.core.thread.impl3.SingleThread.execute(SingleThread.java:100)
 at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:170)
Caused by: com.sap.dictionary.runtime.DdException: TypeBroker failed to access SLD: Error while obtaining JCO connection.
 at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker$1.fillSldConnection(DataTypeBroker.java:90)
 at com.sap.dictionary.runtime.ProviderFactory.internalResolveLogicalNameToJCODestination(ProviderFactory.java:408)
 at com.sap.dictionary.runtime.ProviderFactory.resolveLogicalNameToJCODestination(ProviderFactory.java:354)
 at com.sap.dictionary.runtime.ProviderFactory.internalGetProvider(ProviderFactory.java:215)
 at com.sap.dictionary.runtime.ProviderFactory.getProvider(ProviderFactory.java:180)
 at com.sap.dictionary.runtime.DdDictionaryPool.getProvider(DdDictionaryPool.java:87)
 at com.sap.dictionary.runtime.DdDictionaryPool.getDictionary(DdDictionaryPool.java:73)
 at com.sap.dictionary.runtime.DdDictionaryPool.getDictionary(DdDictionaryPool.java:48)
 at com.sap.dictionary.runtime.DdBroker.getDataType(DdBroker.java:149)
 at com.sap.dictionary.runtime.DdBroker.getSimpleType(DdBroker.java:170)
 at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker.getSimpleType(DataTypeBroker.java:242)
 ... 62 more
Caused by: com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscapeException: Error while obtaining JCO connection.
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:149)
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnectionUnMapped(SystemLandscapeFactory.java:175)
 at com.sap.tc.webdynpro.services.sal.sl.core.SystemLandscapeInternal.getJCOClientConnectionUnMapped(SystemLandscapeInternal.java:62)
 at com.sap.tc.webdynpro.services.datatypes.core.DataTypeBroker$1.fillSldConnection(DataTypeBroker.java:77)
 ... 72 more
Caused by: com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve connection parameter for 'SAP_R3_SelfServiceGenerics_MetaData'
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestination(JCOClientConnection.java:678)
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter(JCOClientConnection.java:508)
 at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.init(AbstractJCOClientConnection.java:229)
 at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:214)
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:111)
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:147)
 ... 75 more
Caused by: java.lang.NullPointerException
 at java.util.Hashtable.put(Hashtable.java:395)
 at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestination(JCOClientConnection.java:588)
 ... 80 more

Message was edited by: Kapil Gupta

hi Kapil,
have you configured the SLD . or try testing the connection fromthe Webdynpro console to the sld.
Its seems that the systems are not accesible through your Jco destinations..
send me wat you have entered the metadata and application data jco detinations..
Regards,
Ramesh

How to maintain HTTP Destinations for Adaptive WebService in Netweaver 7.1

hi ,
i am working with adaptive webservices. i hv created HTTP Destinations for Webservices on server. In Netweaver 04s i used to write code as follows
wdContext.currentNodeTest.modelObject()._setHTTPDestinationName("DESTINATION_NAME");
just b4 executing modelObject.
But in Netweaver 7.1 , no method _setHTTPDestinationName available for wdContext.currentNodeTest.modelObject() . I want to change host for wsdl , as my production and development servers are different. How can i use HTTP Destinations in Netweaver 7.1?

Kavita,
Are you creating adaptive webservice model, if so then you just need to import webservice model once in your code and when you deploy your application you must define two logical destinations in visual admin.
DEFAULT_WS_METADATA_DEST
DEFAULT_WS_EXECUTION_DEST
How to define logical destinations, check out following link:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/b2bc0932-0d01-0010-6d8e-cff1b2f22bc7
if you are running application in your development or production server just define these destinations and your application will run smoothly.
Regards,
Jawed Ali

How to download jco, for using in a test sap system?

Hello,
at the moment i am trying to program with java a connection to a sap test system (from the book abap objects).
Normally the conenction is built up by jco. My question is, because i haven´t got a login to the service marketplace,
is there any possibility to download and use jco for my test connection? I only try it for education.
Thank you very much
Bye

Hi GLM,
i just used the example from the jco package,
which i downloaded from sap service marketplace.
(I have changed the sap poperties).
With the jco 2 it works perfect. Only with new one
i got problems.
import java.io.File;
import java.io.FileOutputStream;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import com.sap.conn.jco.AbapException;
import com.sap.conn.jco.JCoContext;
import com.sap.conn.jco.JCoDestination;
import com.sap.conn.jco.JCoDestinationManager;
import com.sap.conn.jco.JCoException;
import com.sap.conn.jco.JCoField;
import com.sap.conn.jco.JCoFunction;
import com.sap.conn.jco.JCoFunctionTemplate;
import com.sap.conn.jco.JCoStructure;
import com.sap.conn.jco.JCoTable;
import com.sap.conn.jco.ext.DestinationDataProvider;
public class StepByStepClient
 static String ABAP_AS = "ABAP_AS_WITHOUT_POOL";
 static String ABAP_AS_POOLED = "ABAP_AS_WITH_POOL";
 static String ABAP_MS = "ABAP_MS_WITHOUT_POOL";
 static
 Properties connectProperties = new Properties();
 connectProperties.setProperty(DestinationDataProvider.JCO_ASHOST, "binmain");
 connectProperties.setProperty(DestinationDataProvider.JCO_SYSNR, "53");
 connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, "000");
 connectProperties.setProperty(DestinationDataProvider.JCO_USER, "JCOTEST");
 connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, "JCOTEST");
 connectProperties.setProperty(DestinationDataProvider.JCO_LANG, "en");
 createDataFile(ABAP_AS, "jcoDestination", connectProperties);
 connectProperties.setProperty(DestinationDataProvider.JCO_POOL_CAPACITY, "3");
 connectProperties.setProperty(DestinationDataProvider.JCO_PEAK_LIMIT, "10");
 createDataFile(ABAP_AS_POOLED, "jcoDestination", connectProperties);
 connectProperties.clear();
 connectProperties.setProperty(DestinationDataProvider.JCO_MSHOST, "binmain");
 connectProperties.setProperty(DestinationDataProvider.JCO_R3NAME, "BIN");
 connectProperties.setProperty(DestinationDataProvider.JCO_CLIENT, "000");
 connectProperties.setProperty(DestinationDataProvider.JCO_USER, "JCOTEST");
 connectProperties.setProperty(DestinationDataProvider.JCO_PASSWD, "JCOTEST");
 connectProperties.setProperty(DestinationDataProvider.JCO_GROUP, "PUBLIC");
 connectProperties.setProperty(DestinationDataProvider.JCO_LANG, "en");
 createDataFile(ABAP_MS, "jcoDestination", connectProperties);
 static void createDataFile(String name, String suffix, Properties properties)
 File cfg = new File(name+"."+suffix);
 if(!cfg.exists())
 try
 FileOutputStream fos = new FileOutputStream(cfg, false);
 properties.store(fos, "for tests only !");
 fos.close();
 catch (Exception e)
 throw new RuntimeException("Unable to create the destination file " + cfg.getName(), e);
 public static void step1Connect() throws JCoException
 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS);
 System.out.println("Attributes:");
 System.out.println(destination.getAttributes());
 System.out.println();
 destination = JCoDestinationManager.getDestination(ABAP_MS);
 System.out.println("Attributes:");
 System.out.println(destination.getAttributes());
 System.out.println();
 public static void step2ConnectUsingPool() throws JCoException
 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
 destination.ping();
 System.out.println("Attributes:");
 System.out.println(destination.getAttributes());
 System.out.println();
 public static void step3SimpleCall() throws JCoException
 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
 JCoFunction function = destination.getRepository().getFunction("STFC_CONNECTION");
 if(function == null)
 throw new RuntimeException("BAPI_COMPANYCODE_GETLIST not found in SAP.");
 function.getImportParameterList().setValue("REQUTEXT", "Hello SAP");
 try
 function.execute(destination);
 catch(AbapException e)
 System.out.println(e.toString());
 return;
 System.out.println("STFC_CONNECTION finished:");
 System.out.println(" Echo: " + function.getExportParameterList().getString("ECHOTEXT"));
 System.out.println(" Response: " + function.getExportParameterList().getString("RESPTEXT"));
 System.out.println();
 public static void step3WorkWithStructure() throws JCoException
 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
 JCoFunction function = destination.getRepository().getFunction("RFC_SYSTEM_INFO");
 if(function == null)
 throw new RuntimeException("BAPI_COMPANYCODE_GETLIST not found in SAP.");
 try
 function.execute(destination);
 catch(AbapException e)
 System.out.println(e.toString());
 return;
 JCoStructure exportStructure = function.getExportParameterList().getStructure("RFCSI_EXPORT");
 System.out.println("System info for " + destination.getAttributes().getSystemID() + ":\n");
 for(int i = 0; i < exportStructure.getMetaData().getFieldCount(); i++)
 System.out.println(exportStructure.getMetaData().getName(i) + ":\t" + exportStructure.getString(i));
 System.out.println();
 //JCo still supports the JCoFields, but direct access via getXX is more efficient as field iterator
 System.out.println("The same using field iterator: \nSystem info for " + destination.getAttributes().getSystemID() + ":\n");
 for(JCoField field : exportStructure)
 System.out.println(field.getName() + ":\t" + field.getString());
 System.out.println();
 public static void step4WorkWithTable() throws JCoException
 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_AS_POOLED);
 JCoFunction function = destination.getRepository().getFunction("BAPI_COMPANYCODE_GETLIST");
 if(function == null)
 throw new RuntimeException("BAPI_COMPANYCODE_GETLIST not found in SAP.");
 try
 function.execute(destination);
 catch(AbapException e)
 System.out.println(e.toString());
 return;
 JCoStructure returnStructure = function.getExportParameterList().getStructure("RETURN");
 if (! (returnStructure.getString("TYPE").equals("")||returnStructure.getString("TYPE").equals("S")) )
 throw new RuntimeException(returnStructure.getString("MESSAGE"));
 JCoTable codes = function.getTableParameterList().getTable("COMPANYCODE_LIST");
 for (int i = 0; i < codes.getNumRows(); i++)
 codes.setRow(i);
 System.out.println(codes.getString("COMP_CODE") + '\t' + codes.getString("COMP_NAME"));
 codes.firstRow();
 for (int i = 0; i < codes.getNumRows(); i++, codes.nextRow())
 function = destination.getRepository().getFunction("BAPI_COMPANYCODE_GETDETAIL");
 if (function == null)
 throw new RuntimeException("BAPI_COMPANYCODE_GETDETAIL not found in SAP.");
 function.getImportParameterList().setValue("COMPANYCODEID", codes.getString("COMP_CODE"));
 function.getExportParameterList().setActive("COMPANYCODE_ADDRESS",false);
 try
 function.execute(destination);
 catch (AbapException e)
 System.out.println(e.toString());
 return;
 returnStructure = function.getExportParameterList().getStructure("RETURN");
 if (! (returnStructure.getString("TYPE").equals("") ||
 returnStructure.getString("TYPE").equals("S") ||
 returnStructure.getString("TYPE").equals("W")) )
 throw new RuntimeException(returnStructure.getString("MESSAGE"));
 JCoStructure detail = function.getExportParameterList().getStructure("COMPANYCODE_DETAIL");
 System.out.println(detail.getString("COMP_CODE") + '\t' +
 detail.getString("COUNTRY") + '\t' +
 detail.getString("CITY"));
 }//for
 * this example shows the "simple" stateful call sequence. Since all calls belonging to one
 * session are executed within the same thread, the application does not need
 * to take care about the SessionReferenceProvider. MultithreadedExample.java
 * illustrates the more complex scenario, where the calls belonging to one session are
 * executed from different threads.
 * Note: this example uses Z_GET_COUNTER and Z_INCREMENT_COUNTER. The most ABAP systems
 * contain function modules GET_COUNTER and INCREMENT_COUNTER, that are not remote enabled.
 * Copy these functions to Z_GET_COUNTER and Z_INCREMENT_COUNTER (or implement as wrapper)
 * and mark they remote enabled
 * @throws JCoException
 public static void step4SimpleStatefulCalls() throws JCoException
 final JCoFunctionTemplate incrementCounterTemplate, getCounterTemplate;
 JCoDestination destination = JCoDestinationManager.getDestination(ABAP_MS);
 incrementCounterTemplate = destination.getRepository().getFunctionTemplate("Z_INCREMENT_COUNTER");
 getCounterTemplate = destination.getRepository().getFunctionTemplate("Z_GET_COUNTER");
 if(incrementCounterTemplate == null || getCounterTemplate == null)
 throw new RuntimeException("This example cannot run without Z_INCREMENT_COUNTER and Z_GET_COUNTER functions");
 final int threadCount = 5;
 final int loops = 5;
 final CountDownLatch startSignal = new CountDownLatch(threadCount);
 final CountDownLatch doneSignal = new CountDownLatch(threadCount);
 Runnable worker = new Runnable()
 public void run()
 startSignal.countDown();
 try
 //wait for other threads
 startSignal.await();
 JCoDestination dest = JCoDestinationManager.getDestination(ABAP_MS);
 JCoContext.begin(dest);
 try
 for(int i=0; i < loops; i++)
 JCoFunction incrementCounter = incrementCounterTemplate.getFunction();
 incrementCounter.execute(dest);
 JCoFunction getCounter = getCounterTemplate.getFunction();
 getCounter.execute(dest);
 int remoteCounter = getCounter.getExportParameterList().getInt("GET_VALUE");
 System.out.println("Thread-" + Thread.currentThread().getId() +
 " finished. Remote counter has " + (loops==remoteCounter?"correct":"wrong") +
 " value [" + remoteCounter + "]");
 finally
 JCoContext.end(dest);
 catch(Exception e)
 System.out.println("Thread-" + Thread.currentThread().getId() + " ends with exception " + e.toString());
 doneSignal.countDown();
 for(int i = 0; i < threadCount; i++)
 new Thread(worker).start();
 try
 doneSignal.await();
 catch(Exception e)
 public static void main(String[] args) throws JCoException
 step1Connect();
 step2ConnectUsingPool();
 step3SimpleCall();
 step4WorkWithTable();
 step4SimpleStatefulCalls();
Edited by: Unicast on Sep 14, 2008 4:33 PM

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