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SAP NetWeaver 7.0 ABAP Trial Version and JCO

hello,

i already installed the SAP NetWeaver 7.0 ABAP Trial Version and now i want to develop a java application in order to connect to the NetWeaver for calling BAPIS etc.

from the JCo package i used the given source code of the example and changed the given parameters to my data.

the exception is like this:

-


com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to SAP gateway failed

Connect_PM GWHOST=homer:3301, GWSERV=sapgw00, SYSNR=00

LOCATION CPIC (TCP/IP) on local host

ERROR hostname 'homer:3301' unknown

TIME Sat Oct 20 18:35:18 2007

RELEASE 710

COMPONENT NI (network interface)

VERSION 39

RC -2

MODULE ninti.c

LINE 895

DETAIL NiPGetHostByName: 'homer:3300' not found

SYSTEM CALL getaddrinfo

COUNTER 2

at com.sap.mw.jco.rfc.MiddlewareRFC$Client.nativeConnect(Native Method)

at com.sap.mw.jco.rfc.MiddlewareRFC$Client.connect(Unknown Source)

at com.sap.mw.jco.JCO$Client.connect(Unknown Source)

at Sappack.SapConnect.main(SapConnect.java:24)

-


the name of my computer is "homer" i m running windows xp.

Here is the simple little java code:

package Sappack;
import com.sap.mw.jco.*;

public class SapConnect {
	public static void main(String[] args) {
		
		JCO.Client client;
		try
		{
		
			System.out.println("JCO - try part");
			System.out.println(JCO.getMiddlewareVersion());
			client = JCO.createClient("000","bcuser","minisap","de","localhost:3300","00");
			client.connect();
			System.out.println("connected");
			client.disconnect();			
			JCO.Attributes attributes = client.getAttributes();
		      System.out.println("Connection attributes:n" + 
		                         "----------------------n" + attributes);
// Open the connection
client.connect();
		}
		catch(Exception ex)
		{
			ex.printStackTrace();			
		}		
	}
}

i ve anybody has a solution don t hesitate;)

regards

Former Member
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