Problem in creating model

Hi,
While creating model i am getting this error in the last step i.e. after selecting the BAPI function.
what might be the pro blem can any one help me plz.
[Warning]:     Creating a connection with Metamodel language <en> failed. Continuing with language <ENG>
[Fatal]:     com.sap.mw.jco.JCO$Exception: Missing R3NAME=... or ASHOST=... in connect_param in RfcOpenEx
[Info]:     Creating Model: Model
[Info]:     Creating Model Class: Bapi_Bank_Getlist_Input
[Info]:     Creating Model Class: Bapi_Bank_Getlist_Output
[Info]:     Creating Model Class: Bapiret2
[Info]:     Creating Model Relation: Bapi_Bank_Getlist_Output:Return
[Info]:     Creating Model Class Property: Type
[Info]:     Creating Model Class Property: Id
[Info]:     Creating Model Class Property: Number
[Info]:     Creating Model Class Property: Message
[Info]:     Creating Model Class Property: Log_No
[Info]:     Creating Model Class Property: Log_Msg_No
[Info]:     Creating Model Class Property: Message_V1
[Info]:     Creating Model Class Property: Message_V2
[Info]:     Creating Model Class Property: Message_V3
[Info]:     Creating Model Class Property: Message_V4
[Info]:     Creating Model Class Property: Parameter
[Info]:     Creating Model Class Property: Row
[Info]:     Creating Model Class Property: Field
[Info]:     Creating Model Class Property: System
[Info]:     Creating Model Class Property: Bank_Ctry
[Info]:     Creating Model Class Property: Max_Rows
[Info]:     Creating Model Class: Bapi1011_List
[Info]:     Creating Model Relation: Bapi_Bank_Getlist_Input:Bank_List
[Info]:     Creating Model Class Property: Bank_Ctry
[Info]:     Creating Model Class Property: Bank_Key
[Info]:     Creating Model Class Property: Bank_Name
[Info]:     Creating Model Class Property: City
[Info]:     Creating Model Relation: Bapi_Bank_Getlist_Output:Bank_List
[Info]:     Creating Model Relation: Bapi_Bank_Getlist_Input:Output:Bapi_Bank_Getlist_Output
Can any one help me plz.
Regards,
H.V.Swathi
Edited by: H.V Swathi on Feb 18, 2009 10:00 AM

Hi Swathi,
Your log is clearly saying that issue with JCO.
1) Check the JCO's are pointing in to the correct R/3 system which you required.
2) Check the JCO's status also
And also double check RFC at the back end RFC enabled or not?
While creating the Model make sure that backend server name , client , system number ...etc all are giving correct where the RFC exists.
If all above points "yes" why dont you try with J2EE complete engine restart. Still issues get back to me.
Rgds
-SS
Edited by: Sridhar Sabbani on Feb 18, 2009 11:13 AM

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I am working on Solaris 8. What is Alert_SID.log? where can I find it?
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Conclusion:
What I conceive from this problem and the help available is that, I have to install NET8 again. But I am not sure about the solution, please tell me whether I am rite or not.
Problem # 2:
When creating database with custom option. The process of creating Database is 2 % complete and is at step # 2 Creating Database Files. It gives error ORA-12571: TNS:packet writer failure.
I searched following oracle help for this problem.
ORA-12571: TNS:packet writer failure
Cause: An error occurred during a data send.
Action: Not normally visible to the user. For further details, turn on tracing and re-execute the operation. If error persists, contact Worldwide Customer Support.
Conclusion:
What I conceive from this problem and the help available is that, I have to install NET8 again. But I am not sure about the solution, please tell me whether I am rite or not.
Software & Hardware Configuration are as follow:
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5.00.2195
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[https://www.sdn.sap.com/irj/scn/wiki?path=/display/vc/connectivity]
Regards,
Govindu

Problem in creating model

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