While created JCO i got following exception plese guide me

[Former Member]

Hi Guru.

While created JCO i got following exception. I configured SLD also.

I dint select message server information while cretin of JCO. it would mandatory for creating JCO. because i dint get in information about message server while creating of JCO. if it need where can configure to get Message server in formation. please give me some guide lines

Failed to create new JCO client connection WD_MODELDATA_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:150) at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.createJCOClientConnection(SystemLandscapeFactory.java:356) 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) 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:670) at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter(JCOClientConnection.java:486) at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.init(AbstractJCOClientConnection.java:252) at com.sap.tc.webdynpro.serverimpl.core.sl.AbstractJCOClientConnection.<init>(AbstractJCOClientConnection.java:226) at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.<init>(JCOClientConnection.java:106) at com.sap.tc.webdynpro.serverimpl.wdc.sl.SystemLandscapeFactory.getJCOClientConnection(SystemLandscapeFactory.java:148) ... 30 more Caused by: java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:393) at com.sap.tc.webdynpro.serverimpl.wdc.sl.JCOClientConnection.resolveConnectionParameter4MsgServerJCODestination(JCOClientConnection.java:564) ... 35 more

Best regards

Ramana

[Former Member]

Hi

To configure Message server you have to create in SLD

http://<Server>:<Port>/sld/

in the Technical Landscape you have to configure the R/3 server by the New TechnicalSystem.

Kind Regards

Mukesh

[Former Member]

Hi,

Thanks for your information..

but i am unable to found R/3 server connection in technical system of SLD

I have only WEB AS ABAP, WEB As JAVA, Standalone JAVA, Third-Party,SLD.

Could you please tell me which one i have to use.

Best regards

Venkat

[former_member182372]

Hi Ramana,

Check https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/f3f93ee7-0c01-0010-2593-d7c...

Section 6 describes your problem.

Best regards, Maksim Rashchynski.

[Former Member]

Hi Thanks,

Could you please tell me How would i run Adaptive RFC with in the J2EE

To resolve this problem.

Best regards

Ramana

[Former Member]

Hi Ramana,

Please select WEB AS ABAP and as going forward you get a place where you can select SAP R/3.

[Former Member]

Hi.

Thanks for your response.

But I am working for WebDynpro For JAVA with R/3 BAPI calls.

For this scenarios , we would configure for WEB AS ABAP??

I was configured for WEB AS JAVA..

Could you please confirm me.

While configure of WEB AS for ABAP. i have following attributes

1. Web AS ABAP Name (SID):

2. Installation Number

3. Database Host Name:

I need to ask BASIS guy for this setup.

Best regards

Ramana

[Former Member]

Hi Ramana,

Those are the system details of R/3 system.

Yes your basis guy can help you or if you have access to SAP then Menu System ->Status can help you for this details.

Regards,

Nagaraju Donikena.

[Former Member]

Hi,

Thanks very much for your time.

Now i am able to connect .

I got one more issue could please give some more in formation on this.

I need to select proper in formation about this???? please help me.

Exception:

com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=snedev1 GROUP=PUBLIC R3NAME=EDV MSSERV=sapmsEDV PCS=1 ERROR service '?' unknown TIME Tue Aug 22 12:09:08 2006 RELEASE 640 COMPONENT NI (network interface) VERSION 37 RC -3 COUNTER 1

[Former Member]

Hi

Go to C:\WINDOWS\system32\drivers\etc\services file and make an entry for the message server as

sapms<name> <port>/tcp

and ty it

Kind Regards

Mukesh