JCO Destination problem

Hi All,
I have integrated my webdynpro application in my portal , the application was working for quite some time all of a sudden it is giving the following error
Could not create JCOClientConnection for logical System: WD_SAP_MODELDATA_DESTINATION - Model: class com.allaind.us.model.customerModel. Please assure that you have configured the RFC connections and/or logical system name properly for this model!
What could be the reason.

Hi,
SAP JCo Functions,Architecture,Applications,Installation,Client & Server Programming :
http://help.sap.com/saphelp_nw70/helpdata/en/6f/1bd5c6a85b11d6b28500508b5d5211/frameset.htm
Creating Jco destination:
http://help.sap.com/saphelp_nw70/helpdata/en/3a/3b1b40fcdd8f5ce10000000a155106/frameset.htm
Maintaining Jco destination:
http://help.sap.com/saphelp_nw70/helpdata/en/94/3c1b40fcdd8f5ce10000000a155106/frameset.htm
The SAP JCo Repository :
http://help.sap.com/saphelp_nw70/helpdata/en/01/43e13d82fcfb34e10000000a114084/frameset.htm
Dynamic Jco creation Blogs:
/people/anilkumar.vippagunta2/blog/2007/02/06/dynamic-jco-creation
/people/gregor.wolf3/blog/2004/09/23/from-function-module-to-jco-application--part-1-of-3

Similar Messages

Problem in connecting JCO destination in web dynpro

HI all,
I was installed sneak preview of Net weaver 6.4,
I want to do some web dynpro (java) programs which connect to back end systems.(R/3 system).
The R/3 system which I want to connect is at remote place, i have connectivity to that R/3 system using VPN connectivity. With this I am not having any problem. Since I am able to connect using User name and password, and able to do some transactions like RZ70, etc.
I developed an application which calls COMPANY_CODE_GET_LIST (BAPI function).
for the above requirement what I did was
(1)I created SLD setting.
(a)Web as Java (I am not having any problem to
Create this.
(b) Web as ABAP.
When i am trying to create
This, there are some steps like i need to go to SAP log in and I need to run the transaction RZ70. For this i need to create an enter in visual administrator>JCO RFC Provider>runtime-->Bundles i need to create an entry for RFC destination as well as Repository.
under RFC destination there are some fields which i need to enter those are (a)Program ID as mySLD (b) Gateway Host as 10.10.10.125 (c)Gateway service as sapgw00 (d)Number of processes as 1
Under Repository (a) Application server host 10.10.10.125 (b)system number as 00 (c)Client number as 100 (d)Language as en (e)user as ABCD (f)password as 1234
I haven't choused the check boxes Local bundle and Unicode and pressed the set button. So like this i created the RFC destinations. under the properties tab there is a property called RFC_DEFAULT_DESTINATION by default it was false so i made it as true. .
I also went to SLD Data Supplier,under Runtime tab , HTTP Settings , I mentioned
(a)Host: pava-vis75
(b) Port: 50000
(c) user: administrator
(d) password: abcd1234
RFC Settings, I mentioned as
(a)Gateway Host: 10.10.10.125 (which is SAP R/3 system)
(b)Gateway Service/Host: sapgw00
CIM Client Generation settings, as
(a)Host: pava-vis75
(b)Port (http/https):50000
(c) user: administrator
(d) Password : abcd1234
I tested the CIMClient Test by click the the button. I got the successful message.
Then I came back to HTTP settings and clicked the button with tilted arrow mark [This triggers data transfer to system landscape directory], for this also I got a successfully message.[data transferred successfully]
Next I been to SAPLOGON and went to RFC Destinations by using sm59 transaction. There under TCP/IP connections i been to SLD_NUC , opened this by double clicking that and under Technical settings for Program ID I had given the ID which I created at visual administrator [JCO RFC Provider] which is mySLD , under gateway options for Gateway Host as 10.10.10.125and Gateway service as sapgw00 then i tested the connection, it was also successfully.
Then I opened the SLDAPICUST and i created a new entry for maintaining the SLD Access Data by giving some couple of entries as
(a)Alias: vissldtest
(b)Host Name: pava-vis75
(c)Port: 50000
(d) user: administrator
(e) password: abcd1234
Then saved it.
Next I created sapmsUV0 3600/tcp entry at
WINDOWS\system32\drivers\etc\services file, and also there are some required entries which are already existing those are sapgw00 3300/tcp to sapgw99 3399/tcp , another entry starts from sapdp00s 4700/tcp to sapdp99s 4799/tcp , next entry starts from sapgw00s 4800/tcp to sapgw99s 4899/tcp and sapmsJ2E 3601/tcp .
I restarted the system, as well as server.
Now my problem is when I was trying to create JCO destination at web dynpro content administrator. For that I navigated as create JCO Destination Deployed Contentlocal-local/CompanyCodeGetList-Applications CompanyCodeGetList
I Choosed the JCO Connections tab- there are 2 entries those are
(1) COMPANY_CODE_MODEL
(2) COMPANY_CODE_RFC_METADATA
So I started creating connection for COMPANY_CODE_RFC_METADATA.
First one is
General data Name : COMPANY_CODE_RFC_METADATA
Client : 100
I didnt changed any default JCo pool configuration.
J2EE Cluster
There is a check box called Use Local J2EE engine J2E on pava-vis75 so I choosed that.
Connection Type
Dictionary Meta Data and application Data
I choosed the first one.
Then
Msg. Server Connection
Security
After these, I tried to test the connection by clicking the Test Connection.
It is saying the error as
First time
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=v011 GROUP=DEFAULT R3NAME=UV0 MSSERV=sapmsUV0 PCS=1 ERROR service 'sapmsUVO' unknown TIME Fri Jul 01 07:20:41 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 COUNTER 1
second time
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=v011 GROUP=DEFAULT R3NAME=UV0 MSSERV=sapmsUV0 PCS=1 ERROR service '?' unknown TIME Fri Jul 01 07:20:41 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 COUNTER 1
Can any body please help me to solve this problem.
From past 1 week on wards I have been trying to resolve this. But in vain.

It does not necessarily mean that you have to change that parameter. I read that blog as I had a similar problem, and after reading it and understanding the reasons and possible causes for the error, I found that my particular problem was that I was using "PUBLIC" as the logon group in my JCO destinations, but such a group does NOT exist at my backend. I went to transaction SMLG, had a look at Logon Groups, noted that there were none other than SPACE, figured out that I had to include that information in SLD (Web AS ABAP tech. system --> Message Server --> Logon Groups), put it there. Voilá. It works.
Edit: That SPACE logon group is the one I had to use at JCO destinations. Sorry I forgot to mention that one...
Regards,
Eduardo.
Message was edited by: Jesus Cil

JCo connection - Destination Problems and questions

I need some help understanding the procedure of creating a JCo Destination for the tutorial of using ABAP functions in webdynpros.
When I choose the "Create" new JCo Destination.
In step 1 of the wizard I have to leave the default name ?
In step 3 should I choose Dictionary Meta Data or Application Data.
In step 5 in User Authentication what info should I put here ?
Because I dont know If Im doing it right, I allready did the steps in this weblog.
/people/sugree.phatanapherom/blog/2005/08/14/configuring-sld-in-sneak-preview-sap-netweaver-04-sneak
And Im getting this error.
Failed to create new JCO client connection WD_FLIGHTLIST_MODELDATA_DEST: com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscapeException: Connection WD_FLIGHTLIST_MODELDATA_DEST already exists in the SLD. Please choose another name. at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.createJCOClientConnection(SystemLandscapeFactory.java:272) at com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscape.createJCOClientConnection(WDSystemLandscape.java:107) at com.sap.tc.webdynpro.tools.sld.ButtonBar.onActionFinish(ButtonBar.java:224) at com.sap.tc.webdynpro.tools.sld.wdp.InternalButtonBar.wdInvokeEventHandler(InternalButtonBar.java:265) at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87) at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:67) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleAction(WebDynproMainTask.java:101) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:304) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:659) at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59) at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:251) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:55) 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)

Hi, Maksim.
I assumed that is like u said I was asking in case i miss somethig, yes I have:
WD_FLIGHTLIST_MODELDATA_DEST
WD_FLIGHTLIST_RFC_METADATA_DEST
both have status red, the tutorial said that I folow the wizard. but when I create it the the error log says to me:
"Failed to create new JCO client connection WD_FLIGHTLIST_MODELDATA_DEST:
com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscapeException:
Connection WD_FLIGHTLIST_MODELDATA_DEST already exists in the SLD"
I dont understand how can allready exist Oo if I cant even create it.

ERROR WHEN I CREATE A JCo DESTINATIONS

Hi to all
I have the SLD running. I want create two JCo destinatios. I want create a Web Dynpro application with adaptive RFC Model.
But, I login to http:///webdynpro/dispatcher/sap.com/tcwdtools/Explorer
and when I attempt create a JCo destinations, appear the following error:
500   Internal Server Error
Web Dynpro Container/SAP J2EE Engine/6.40
Failed to process request. Please contact your system administrator.
Error Summary
While processing the current request, an exception occured which could not be handled by the application or the framework.
If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).
Root Cause
The initial exception that caused the request to fail, was:
   java.lang.NullPointerException
    at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.checkStatus(SystemLandscapeFactory.java:985)
    at com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscape.checkStatus(WDSystemLandscape.java:469)
    at com.sap.tc.webdynpro.tools.sld.NameDefinition.updateJCODestinations(NameDefinition.java:272)
    at com.sap.tc.webdynpro.tools.sld.NameDefinition.updateNavigation(NameDefinition.java:237)
    at com.sap.tc.webdynpro.tools.sld.NameDefinition.wdDoInit(NameDefinition.java:144)
    ... 45 more
Can someone say me, why occurs this error ? I have reviewed all my configuration, but I haven´t found nothing.
Thank you very much.
Regards
Dario Rodriguez

I think while creating the JCOs you must hav left some field with a NULL value.Try to check out that all the connection properties hav been specified correctly also make sure that the connection pooling has a small range.

Error In JCO Destination Creation

Hi,
I'm creating JCO Destination in Web Dynpro for Java. While finishing the JCO Destination wizard it shows a error as follows:
Root Cause
The initial exception that caused the request to fail, was:
java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
    at java.util.ArrayList.RangeCheck(ArrayList.java:507)
    at java.util.ArrayList.get(ArrayList.java:324)
    at com.sap.tc.webdynpro.progmodel.context.Node$ElementList.getElement(Node.java:2022)
    at com.sap.tc.webdynpro.progmodel.context.Node.getElementAtInternal(Node.java:617)
    at com.sap.tc.webdynpro.progmodel.context.Node.setLeadSelection(Node.java:749)
    ... 45 more
But the JCO Destination is created successfully and I can test and ping tit successfully. But it becomes the part of System Denied JCO Destinations.
In the server log file I'm getting the following log:
1.5#00112F5374F1005B0000011100000EDC000443BF97417983#1200390062389#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#sap.com/tcwddispwda#com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl#Guest#0#####SAPEngine_Application_Thread[impl:3]_14##0#0#Error#1#/System/Server/WebRequests#Plain###Processing HTTP request to servlet [dispatcher] finished with error.
The error is: com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Cannot navigate via outbound plug tointeractiveForm of view InvoiceListView because there is no navigational link attached to it
Exception id: [00112F5374F1005B0000010F00000EDC000443BF974176DF]#
#1.5#00112F5374F1004F0000055B00000EDC000443BFA0A4587B#1200390219953#com.sap.tc.webdynpro.sessionmanagement#sap.com/tcwddispwda#com.sap.tc.webdynpro.sessionmanagement.ExceptionHandler.handleThrowable#subhayuds#116#####J-Integra for .NET TP Thread 2##0#0#Error#1#/System/UserInterface#Java###Exception occured during processing of a Web Dynpro application: "java.lang.IndexOutOfBoundsException: Index: 0, Size: 0".
[EXCEPTION]
#1#java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
     at java.util.ArrayList.RangeCheck(ArrayList.java:507)
Can anybody help to find out this problem.

Hi,
This is a Web Dynpro bug. You need to apply the latest patch for Web Dynpro runtime.
Regards
Srinivasan T

Creation of JCO Destinations for web dynpro

Hi all,
I read quite a lot of post concerning the subject but unfortunately I did not found a solution to my problem.
My goal is to create JCO Destinations to make my web dynpro to connect to an R3 system.
In order to realise this I followed these steps :
- Launch visual admin and set http settings, rfc settings, and cim client settings. I click on CIM client test and the result is a success so I assume this part is correct.
- In R3, I execute transaction smgw, go to remote gateway to get the gateway settings. I execute RZ70 and filled the parameters just checked. Then I activate and launch the data collect. I have no error message and everythings seemed to work fine.
- In the sld (<host>:<port>/sld) I configured my server settings, the I go to data bridge, set update local sld to true and fill RFC gateway info with the same values as in my R3 system. Then I restarted the sld.
- Finally I went to Web Dynpro content administrator to create my destinations and there I failed. After entering all settings (the message server appears in my technical landscape in SLD), when I click on finish I've got the following exception :
[code]
Failed to create new JCO client connection WD_FLIGHTLIST_RFC_METADATA_DEST:
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:140) at
com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.createJCOClientConnection
(SystemLandscapeFactory.java:286) at
com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscape.createJCOClientConnection(WDSystemLandscape.java:107) at com.sap.tc.webdynpro.tools.sld.ButtonBar.onActionFinish
(ButtonBar.java:224) at com.sap.tc.webdynpro.tools.sld.wdp.InternalButtonBar.wdInvokeEventHandler(InternalButtonBar.java:252) at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87) at com.sap.tc.webdynpro.progmodel.controller.Action.fire(Action.java:67) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleAction(WebDynproMainTask.java:100) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.handleActionEvent(WebDynproMainTask.java:299) at com.sap.tc.webdynpro.clientserver.task.WebDynproMainTask.execute(WebDynproMainTask.java:641) at com.sap.tc.webdynpro.clientserver.cal.AbstractClient.executeTasks(AbstractClient.java:59) at com.sap.tc.webdynpro.clientserver.cal.ClientManager.doProcessing(ClientManager.java:249) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doWebDynproProcessing(DispatcherServlet.java:154) at
com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:116) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doPost(DispatcherServlet.java:55) 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:385) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:263) at
com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:340) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:318) at
com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:824) at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:239) at com.sap.engine.services.httpserver.server.Client.handle(Client.java:92) at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:147) at com.sap.engine.core.service630.context.cluster.session.ApplicationSessionMessageListener.process(ApplicationSessionMessageListener.java:37) at com.sap.engine.core.cluster.impl6.session.UnorderedChannel$MessageRunner.run(UnorderedChannel.java:71) 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:94) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:162) Caused by: com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve connection parameter for WD_FLIGHTLIST_RFC_METADATA_DEST at
com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestinaton(JCOClientConnection.java:664) 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:247) at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:221) at
com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:101) at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:138) ... 30 more Caused by: java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:393) at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestinaton(JCOClientConnection.java:558) ... 35 more[/code]
I tried to create a generic destination (no for the web dynpro tutorial) and failed again.
I do not undestand what I did wrong.
Does someone have an idea ?
Thanks for reading this !
Sylvain
Message was edited by: Sylvain

This thread helped me too because before reading it I didn't thought that I had to create a logon group "PUBLIC".
Anyway I succed in creating 'WD_FLIGHTLIST_MODELDATA_DEST' and the test is ok. The problem was that in sld / technical system / web as abap, my Central Application Server host was wrong. It is not possible to change it so I just add a secondary server with the right host and select this one when creating the destination.
The only pb remaining is now 'WD_FLIGHTLIST_RFC_METADATA_DEST'. I think the pb is my message server such this is the only difference between the two destinations
Thanks for your help
Message was edited by: Sylvain

Failed JCO destination name 'WD_RFC_METADATA_DEST'    and MODEL DATA

Hi Friends
I am created "WD_RFC_METADATA_DEST". this meta data.When i am created this metadata i was called message server as technical system of CRM server.
means i am created metadata for CRM System
Once metadata had complted then i was cheing click on "Text"
Here it display this error message
Model Data test
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=ecc15 GROUP=PUBLIC R3NAME=E15 MSSERV=sapmsE15 PCS=1 ERROR       Group PUBLIC not found TIME        Fri Feb 19 01:12:26 2010 RELEASE     700 COMPONENT   LG VERSION     5 RC          -6 MODULE      lgxx.c LINE        4299 DETAIL      LgIGroupX COUNTER     1
Meta data test
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=ecc15 GROUP=PUBLIC R3NAME=E15 MSSERV=sapmsE15 PCS=1 ERROR       Group PUBLIC not found TIME        Fri Feb 19 01:13:19 2010 RELEASE     700 COMPONENT   LG VERSION     5 RC          -6 MODULE      lgxx.c LINE        4299 DETAIL      LgIGroupX COUNTER     1
What is problem. i m not getting can u tell me how slove this problem.
Regards
Vijay Kalluri

Hi Vijay,
You need check following thing to resolve this issue.
1. Check the your host file entries for CRM System (Start>Run>enter 'drivers'>etc>hosts)
2. Check SLD test is successfull or not.
3. As per your error message group PUBLIC not found. Check in the CRM system (T-code : SMLG) whether PUBLIC group is available or not.
Then check JCO destination parameter again and test it.
Hope this will helps you.
Thanks
Arun

DynamicRFCException with JCO.client problem

Hi,
Iam trying to execute an RFC from webdynpro.Iam getting the following error.So as a result i dont get any result as expected on my screen as the RFC is not getting executed due to JCO problem.Please kindly let me know the reason.In the last line of the exception it talks about user authentication.I dont have any idea whats the reason.This happens as soon as my bapi execute statement in my controller is executed.
could not create JCOClientConnection for logical System: WD_MODELDATA_DEST - Model: class com.test.Getmodel. Please assure that you have configured the RFC connections and/or logical system name properly for this model!
com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCExecuteException: Error connecting using JCO.Client: null at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModel.prepareExecute(DynamicRFCModel.java:179) at com.test.Getmodel.bapi_Ben_Bus3029_Get_Evt_List(Getmodel.java:141) at com.test.Bapi_Ben_Bus3029_Get_Evt_List_Input.doExecute(Bapi_Ben_Bus3029_Get_Evt_List_Input.java:137) at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModelClassExecutable.execute(DynamicRFCModelClassExecutable.java:92) at com.avid.benefits.Benefitscust.executebapi(Benefitscust.java:128) at com.avid.benefits.wdp.InternalBenefitscust.executebapi(InternalBenefitscust.java:162) at com.avid.benefits.AvidusbenefitsView.wdDoInit(AvidusbenefitsView.java:97) at com.avid.benefits.wdp.InternalAvidusbenefitsView.wdDoInit(InternalAvidusbenefitsView.java:129) at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.doInit(DelegatingView.java:61) at com.sap.tc.webdynpro.progmodel.controller.Controller.initController(Controller.java:215) at com.sap.tc.webdynpro.progmodel.view.View.initController(View.java:445) at com.sap.tc.webdynpro.progmodel.controller.Controller.init(Controller.java:200) at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709) at com.sap.tc.webdynpro.progmodel.view.ViewManager.bindRoot(ViewManager.java:579) at com.sap.tc.webdynpro.progmodel.view.ViewManager.init(ViewManager.java:155) at com.sap.tc.webdynpro.clientserver.window.WebDynproWindow.doOpen(WebDynproWindow.java:295) at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.show(ApplicationWindow.java:183) at com.sap.tc.webdynpro.clientserver.window.ApplicationWindow.open(ApplicationWindow.java:178) at com.sap.tc.webdynpro.clientserver.cal.ClientApplication.init(ClientApplication.java:364) at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.initApplication(ApplicationSession.java:756) at com.sap.tc.webdynpro.clientserver.session.ApplicationSession.doProcessing(ApplicationSession.java:291) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessingStandalone(ClientSession.java:713) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doApplicationProcessing(ClientSession.java:666) at com.sap.tc.webdynpro.clientserver.session.ClientSession.doProcessing(ClientSession.java:250) at com.sap.tc.webdynpro.clientserver.session.RequestManager.doProcessing(RequestManager.java:149) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doContent(DispatcherServlet.java:62) at com.sap.tc.webdynpro.serverimpl.defaultimpl.DispatcherServlet.doGet(DispatcherServlet.java:46) at javax.servlet.http.HttpServlet.service(HttpServlet.java:740) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.runServlet(HttpHandlerImpl.java:401) at com.sap.engine.services.servlets_jsp.server.HttpHandlerImpl.handleRequest(HttpHandlerImpl.java:266) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:386) at com.sap.engine.services.httpserver.server.RequestAnalizer.startServlet(RequestAnalizer.java:364) at com.sap.engine.services.httpserver.server.RequestAnalizer.invokeWebContainer(RequestAnalizer.java:1039) at com.sap.engine.services.httpserver.server.RequestAnalizer.handle(RequestAnalizer.java:265) at com.sap.engine.services.httpserver.server.Client.handle(Client.java:95) at com.sap.engine.services.httpserver.server.Processor.request(Processor.java:175) 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:102) at com.sap.engine.core.thread.impl3.SingleThread.run(SingleThread.java:172) Caused by: com.sap.tc.webdynpro.modelimpl.dynamicrfc.WDDynamicRFCException: Could not create JCOClientConnection for logical System: WD_MODELDATA_DEST - Model: class com.test.Getmodel. Please assure that you have configured the RFC connections and/or logical system name properly for this model! at com.sap.tc.webdynpro.modelimpl.dynamicrfc.AiiModel.getCurrentlyUsedJcoClient(AiiModel.java:210) at com.sap.tc.webdynpro.modelimpl.dynamicrfc.DynamicRFCModel.prepareExecute(DynamicRFCModel.java:170) ... 42 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:152) at com.sap.tc.webdynpro.services.sal.sl.api.WDSystemLandscape.getJCOClientConnection(WDSystemLandscape.java:30) at com.sap.tc.webdynpro.modelimpl.dynamicrfc.AiiModel.getCurrentlyUsedJcoClient(AiiModel.java:189) ... 43 more Caused by: com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve connection parameter for 'WD_MODELDATA_DEST' at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestination(JCOClientConnection.java:649) at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter(JCOClientConnection.java:476) at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.init(AbstractJCOClientConnection.java:233) at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:218) at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:129) at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:150) ... 45 more Caused by: com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: User not authenticated - unable to establish JCO connection with SSO. at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestination(JCOClientConnection.java:584) ... 50 more
Error connecting using JCO.Client: null
Error connecting using JCO.Client: null: Could not create JCOClientConnection for logical System: WD_MODELDATA_DEST - Model: class com.test.Getmodel. Please assure that you have configured the RFC connections and/or logical system name properly for this model!: Error while obtaining JCO connection.: Failed to resolve connection parameter for 'WD_MODELDATA_DEST': User not authenticated - unable to establish JCO connection with SSO.

Hi Swathi,
The problem may be with JCo destinations. If you have authorization in Portal, navigate to Content Administration -> Web Dynpro.
In the left side you can see deployed web dynpro applications. Check in local, sap, or any of your custom namespace. Browse & select to your application. Right side you can see JCo destinations for your application. If they are in green color , means they are created. If not, ask your basis team to create them. If they are n green color, ping and test them. if they are working fine or not.
If they are fine, try to deploy after you have logged into the portal.
Regards,
Siva

BI Post Installation /JCO Destinations

Hi all,
I am having some troubles getting the Netweaver BI functionalities to start running.
We have just upgraded our BW System to Netweaver 2004s and installed an add-on Java Stack.
Both the ABAP Stack and the Java Stack have the most current patch level.
I followed the SLD post installation Guide and I think I did everything as described, including the prerequisites described in the SAP Notes 983156 and 917950.
I do want to add that I am a functional consultant with quite a lot of experience in BW and BPS, but very little knowledge in Basis technology. Our Basis collegues know only little about Java, so we are trying to work it out together.
I imported the content though the SLD and created our ABAP System as a technical system in SLD.
I then tried to use the post-BI installation wizard. The following steps 1-9 are executed without problems:
1.     Create RFC Destinations in ABAP
2.     Update Table RSPOR_T_PORTAL
3.     Create RFC Destinations in Java
4.     Create System Landscape Folder
5.     Create BW System
6.     Set System Alias
7.     Add ACL
8.     Set Master System
9.     Download Engine Certificate
I get following error message when trying to install step 10:
Import ABAP Certificate to Engine Import not successful Element 'SAPConfigLib.C40.Unclassified.uploadAbapCertificate':!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
-:com.sap.tc.lm.ctc.cul.broker.BrokerImport.importElement.128
-: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.templateinstall er.StepExecuter.run.41
Element 'SAPConfigLib.C40.Unclassified.uploadAbapCertificate':Error during executing Java Reflection:Remote call errored
I also noticed that I cannot maintain the JCO destinations both in the web dynpro content administrator and in the transaction SPRO.
In the web dynpro content administrator i see the buttons, but they are greyed out, in SPOR the "execute" button is missing.
From what I read, I get a feeling that the symptoms might be connected, but I ran out of ideas what the problem could be.
Does anybody have an idea?
I would be very grateful if somebody could help.
Regards,
Omar

Hi
I am trying to install BI7.0 and as a part of it I was successful in installation part but when i am trying to check the prerequisite for the notes 983156, I was stuck at the point of bringing the system BI7.0 in to the sld, from the note I can infer that to bring the system in to sld we need to use rz70 and give the gateway details over there (host ,service) when I try to continue with the default values i was not successful to bring the system in to land scape can some one guide me for the steps to bring this system in to land scape.
Any documents of ur previous installation would be appreciated.
Regards
Manikanth

JCO Connection Problem

Hi Experts,
This is not related to Java Web Dynpro directly.
We are encountering strange behavior with respect to JCo Destination.
Up to yesterday we had no problems with JCo. But when we tried to run run a Web Dynpro application, it
was not able to extract data from SAP backend.
On further investigation it was found out that JCo Destination test is failing. Following is the error when we
tried to test JCo Destination:
com.sap.mw.jco.JCO$Exception: (103) RFC_ERROR_LOGON_FAILURE: Client 100 is not available in this system
Backend is working fine with username and password in the client. Connection from ABAP server to
the the problematic ABAP server is also working (SM59). But connection from any Java portal to ABAP
server is not working.
Has anybody encountered this problem?
Best Regards,
Pramod

Hi Promod,
It would be some Username and password issue. If you manage to change them you issue will be resolved. Have a look at the the following useful discussion. It would be helpful for you.
JCO Connection Error
Also have a look at the following Wiki for troubleshooting the RFC Communication problems with Java Connectors.
https://www.sdn.sap.com/irj/scn/wiki?path=/display/ep/troubleshooting%252bsap%252bjava%252bconnector%252b(JCo)
I hope this helps you.
Regards,
Gopal.

JCO server problems

Hello,
We've developed JCO server which serve as a bridge between SAP R/3 and MS SQL database system. In R/3 system is created TCP/IP destination and JCO server connects to this destination as a registered program.
In our test environment everything works fine. In customer production environment I face this behaviour:
After installation of solution it works. But after "some time", when I try to test destination in SM59 and I've got this error:
SM59 - test connection
connection to partner broken / CPI-C error CM_PRODUCT_SPECIFIC_ERROR
COMPONENT      NI (network interface)
COUNTER        2422932
ERROR TEXT     Connection reset by peer
ERROR NUMBER   232
MODULE         niuxi.c
LINE           1204
RETURN CODE    -6
What is interesting, problem persist, if i turn off JCO server (I expect error message, that no program is registered!),.... so I change the registered program ID (in SM59), change this in configuration of JCO server - it works.. but again after some time I've got that error.
R/3 version is 4.6c
Can you give suggestions, how to solve this problem (where should be the problem)?
Thanks for any answer.
Best Regards,
Juraj

Hi,
It gives me the correct IP when I ping yes. It's only when the SLD tries to resolve IP via JCO destinations. Yesterday I put in all hosts in my landscape into the hosts file of the SLD, disabled the NIC that it shouldn't be using and restarted.
Still it tries to resolve hosts in my landscape to 10.150.83.XXX. How is this possible??
Thanks - any other ideas?
.: HP

No puedo crear JCo Destination - (Can't create JCo Destination)

Amigos,
Cuando intento crear la conexion aparece el siguiente error
Please choose another name for the new JCo destination. The defined name 'PRDjr' is used in the SLD.
Espero alguien me pueda ayudar.
Saludos.

Hola Intenta estas tareas
- Reiniciar los sistemas portal, backend y en donde este la configuracion del SLD
- En la index.html puedes tu ver los JCos, (como te explican en respuestas anteriores) si solo te d la opcion Ckeck SLD existe problemas de comunicacion con el seridor donde este el SLD, en el portal debes irte al Visual administrator -> SLD provider ahi en dos pestañas de esa opcion debe estar el IP o nombre del servidor donde esta el SLD, el usuario SLDDUSER y la clave chequea que la informacion sea correcta realiza el test.
- Tambien verifica que si el susuario de los Jco's (JCO_USER) nmo este bloqueado en el backend
- borra los Jco's y vuelve a crearlos...
Espero que esto te ayude
saludos
Danny
Edited by: Danny Sanchez on May 21, 2010 5:33 PM

RFC Adaptive Model,JCO destinations error

HI,
I created the tutorial application to get Flight List using RFC adaptive model.
I created the JCO destinations in web dynpro content administrator after configuring the SLD (after many problems though ).
Our Server is Web AS 6.4 ABAP + JAVA ,but no R/3 modules installed.
WD_FLIGHTLIST_MODELDATA_DEST-type application--single server connection
WD_FLIGHTLIST_RFC_METADATA_DEST-type Dictionary-load balanced
The JCo destinations status shows green.
The test for WD_FLIGHTLIST_MODELDATA_DEST is succesful but the test for WD_FLIGHTLIST_RFC_METADATA_DEST fails with the error:[code]
com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=nwserver GROUP=PUBLIC R3NAME=NWS MSSERV=sapmsNWS PCS=1 LOCATION CPIC (TCP/IP) on local host with Unicode ERROR Group PUBLIC not found TIME Thu Nov 10 18:24:23 2005 RELEASE 640 COMPONENT LG VERSION 5 RC -6 MODULE lgxx.c LINE 3515 DETAIL LgIGroup COUNTER 2 [/code]
The ping fails and if i test it again,i get another error
[code]com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=nwserver GROUP=PUBLIC R3NAME=NWS MSSERV=sapmsNWS PCS=1 ERROR Group PUBLIC not found TIME Thu Nov 10 18:29:13 2005 RELEASE 640 COMPONENT LG VERSION 5 RC -6 MODULE lgxx.c LINE 3515 DETAIL LgIGroup COUNTER 1 [/code]
What is wrong?Any more steps required?
If i try to edit it,the type is still the same-Application with single connection.
How can i change it?Do i need to change it to type Dictionary in the first place? How to proceed.
Please guide.
Regards,
Siddhartha
Message was edited by: Siddhartha Jain
Message was edited by: Siddhartha Jain

hi Siddhartha,
You have to configure PUBLIC group using SMLG transaction
check these links out
http://help.sap.com/saphelp_nw04/helpdata/en/28/1c623c44696069e10000000a11405a/content.htm
hope this helps you
Regards
Rohit

URGENT: Failed to resolve JCO destination name 'WD_GPMS_RFC_METADATA_DEST'

Hi,
when logging in am getting com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'WD_GPMS_RFC_METADATA_DEST' in the SLD.
I had restarted the Server & and also System.
Exception:
com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'WD_GPMS_RFC_METADATA_DEST' in the SLD. No such JCO destination is defined in the SLD.
Accessing the System Landsape Directory (SLD) failed. Depending on the concrete reason (see root cause) check the following:
is the SLD Supplier in the J2EE engine configured correctly? See the SLD documentation for more details about the SLD and about how to configure it.
are all JCO destinations maintained correctly? Use the preinstalled Web Dynpro Content Admin application to check/edit the destination. Use the Ping and Test functions of the
Content Admin to verify that each destination is properly configured.
Additional information about the System Landscape Directory and the Web Dynpro Content Admin can be found in the SAP Developer Network (SDN) and in the Online Help for the SAP Web Application Server (installed with SAP NetWeaver Developer Studio and available online).
Note: the above hints are only a guess. They are automatically derived from the exception that occurred and therefore can't be guaranteed to address the original problem in all cases.
Please help me resolving it.
Thanks,
Hussain

Hello Hussain,
It looks like your Basis team has added another JCO destination to your Landscape....just check with them and create the jco destination on the portal...to fix it.
Let me know if it helps.

ESS/ MSS JCO destination error...

Hi All,
I have created all JCO destinations and when i test them , the result is successful
But once i click on ess/mss tab in portals, i get the error..
<i>com.sap.tc.webdynpro.services.exceptions.WDRuntimeException: Failed to resolve JCO destination name 'SAP_R3_HumanResources_MetaData' in the SLD. No such JCO destination is defined in the SLD.</i>
But i have maintained SAP_R3_HumanResources_MetaData in the SLD.. Actually i have two SAP_R3_HumanResources_MetaData services one is active and another is inactive..
For SAP_R3_HumanResources -- i have used "Logon Ticket" and for SAP_R3_HumanResources_MetaData -- used userid & pwd.
Actually i have to do UserMapping as my portal userid and R/3 userid are different.. Then in this case am i creating JCO destinations correctly.. If not how to do..
Please throw some light into this problem by your valuable suggestions.
Thanks & Regards,
Mahesh.M.R

Hi
I am having the exact same problem (i think). I believe that the problem is caused by a failed connection to the SLD.
In my case, if I scroll the bottom of the error page, the 'Detailed exception chain' has the error:
TypeBroker failed to access SLD: Error while obtaining JCO connection.
The same error can be found in the DefaultTrace.
This ESS is on a nw2004s sandbox portal (trying to reach an ECC 6.0 sandbox), but being lazy I just reused the SLD in my Development environment.
This is however a Java WAS 6.40 and according to Note 954820 (Compatibility of SLD in the system landscape)
QUOTE
In general, the connection of systems to the SLD is released for SLD client applications with releases earlier than or equal to the SLD release (to be more precise: the AS Java release on which the SLD runs). Within a release, all Support Packages are released.
UNQUOTE
So, i'll try activating the SLD on a nw2004s JAVA WAS and use that instead.
Regards
Stig

JCO Destination problem

Similar Messages

Maybe you are looking for