JCO$Exception when creating RFC model

Hi all,
I'm getting this fatal error when creating an RFC model in Web Dynpro for Java (connecting to a BW system):
com.sap.mw.JCO$Exception: Missing R3NAME=... or ASHOST=... in connect_param in RfcOpenEx
I have absolutely no clue what's going wrong...
The RFC model gets created, but when running the application it doesn't work...
Any help appreciated!
Jeroen

Raj,
Thanks for your reply.
I had already solved the problem... After a long time I found out it was due to the language: when creating an RFC model one should use the language of SLD.
kind regards,
Jeroen

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Jco.JCO$Exception when create a new adaptive model in NWDS

HI friends:
when I create a new adaptive model in NWDS, error occurs:
Warning:Creating a connection with Metamodel language <zh_CN> failed. Continuing with language <zh>
Fatal: com.sap.mw.jco.JCO$Exception: Missing R3NAME=... or ASHOST=... in connect_param in RfcOpenEx
but when I used a existent model to reimport model , it has no error
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Edited by: Yonk King on Nov 7, 2008 11:11 AM

Check whether you are providing the correct login credentials while importing the RFC.

Null pointer exception when creating new model-

Hi Experts,
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!ENTRY com.tssap.util 4 0 Mar 18, 2008 15:02:50.286
!MESSAGE Mar 18, 2008 3:02:50 PM          com.sap.ide.webdynpro.ui.service.ServicesUI          [Thread[main,5,main]] Error: Internal error
   Plugin name: Web Dynpro Model Editor
   Plugin ID : com.sap.ide.webdynpro.modeleditor
   Class      : com.sap.ide.webdynpro.modeleditor.ModelEditorCallback
   Method     : createModel
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Seems to be a plugin problem.What can I do to correct this..?
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If you have Windows Seven (and probably Windows Vista) ...
Close NWDS.
Make backup \IDE70\eclipse\plugins\com.sap.ide.jcb.core_2.0.0\SapJavaConnectivityBuilderCore.jar.
Get file-archive \IDE70\eclipse\plugins\com.sap.ide.jcb.core_2.0.0\SapJavaConnectivityBuilderCore.jar,
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Change this .class file in any HexEditor,
text "windows 2003" to text "indows vista" (not "windows vista"),
save,
replace original in
\IDE70\eclipse\plugins\com.sap.ide.jcb.core_2.0.0\SapJavaConnectivityBuilderCore.jar
inner path = \com\sap\ide\jcb\core\service\com\sap\ide\jcb\core\service\
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Manager is getting the Error "Unexpected Exception when Calling RFC from Profile Application 'Business Event' when he tries to get the Training history of ONE employee in MSS. However, he is getting the details for the other employees of his department.
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I believe it is our custom iView that is incorrect.

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Hi All
When we create a model from RFC suppose FlightBook RFC, then node is created one as FlightBook_Input, and one as FlightBook_Output.
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Thanks & Regards
Sandeep

>>Inside flightBook_input we have nodes and value attribute which we use to pass >>the data and also for <b>output</b>
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javax.servlet.http.HttpServlet.service(HttpServlet.java:760) at
javax.servlet.http.HttpServlet.service(HttpServlet.java:853) at
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We are running WebAS 640 SP 14 on Unix.
Greetings,
Hannes
Message was edited by: Hannes Defloo

Hi
Please configure your SLD. Your SLD holds the system definition. Define a SAP WebAS abap system and then try to create a Metadata connection using WebDynpro content administrator. Now you will be able to see the msg server defined in the dropdown. Also ensure that you have the message server entry in your services file.
Refer these links for SLD
http://help.sap.com/saphelp_nw04/helpdata/en/c9/dc37520bdf4b48bb8f6d4329f073d5/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/24/8fa93e08503614e10000000a114084/content.htm
Hope that helps.
regards
Ravi

Dynamic JCo Connection with Adaptive RFC Model 2

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Dear Lukinho,
You may try this ;
try {
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String clientName      = clientCon.getClientName();
String lang          = clientCon.getLanguage();
String passowrd          = clientCon.getPassword();
String sysID          = clientCon.getSystemIdentifier();
String user          = clientCon.getUser();
//etc...
} catch (WDSystemLandscapeException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
I got this code from the thread   [Multiple Client Logon in JCO   |Re: Multiple Client Logon in JCO;
Also have a look at this thread
[JCo Destination   |Re: JCo Destination;
Hope it helps!!
Warm Regards
Upendra Agrawal

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Hi,
Place a break point in the BAPI in SAP and try to execute the application and see if the break point is triggered and check what is the output value passed back to the application. If this works fine then there should be no issue in the RFC side, else need to find out what is happening in the webdynpro application side.
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saw.threadpool
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Did you find a solution to this?

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<persistence-unit name="Demo">
<jta-data-source>java:/InsiteDS</jta-data-source>
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</properties>
</persistence-unit>
</persistence>

<metadata>
<type-mapping>mySQL</type-mapping>
</metadata>
</local-tx-datasource>
</datasources>
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Check whether you are providing the correct login credentials while importing the RFC.

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Hi
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Go throgh the following thread
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Regards
Sridhar Goli

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at sun.applet.AppletPanel.createApplet(AppletPanel.java:786)
at sun.applet.AppletPanel.runLoader(AppletPanel.java:715)
at sun.applet.AppletPanel.run(AppletPanel.java:369)
at java.lang.Thread.run(Thread.java:619)
Caused by: java.security.AccessControlException: access denied
(java.lang.Runtim
ePermission loadLibrary.Foo)
Why would this be so??? Thank you for your insights

Mark_Galeck wrote:
I am trying to use JNI - I want to have a Java class Foo have a
method, that is a native C function.
I follow the Sun's tutorial
http://java.sun.com/developer/onlineTraining/Programming/JDCBook/jnie...
exactlyNot quite exactly. Yours is an applet, theirs is an application.
Applets are not allowed many things that applications can do.
Among them, loading native libraries.

BI Publisher throwing error when creating data model from Oracle BI Answers

I'm having issues creating BI Publisher Datamodel using BI EE as a source. When i select the answer and put the inforamtion needed and hit OK ....it's start doing soehting and then it get there ....
In the logs:
It is weird that the Logs is having a message saying that path was not found "/users/mpoler/Data Model without Title.xmd"/_datamodel.xmd
Any clue on what is going on?
Thanks!
Matias

Can you try using a different account to run this report, if possible use someone from a different Application role.
The last Time I saw something similar was when the integration between BIP and Analysis was done incorrectly and a few roles were missed.
Letus know what you find out..

JCO$Exception when creating RFC model

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