SAPJco login Problem

[Former Member]

Hello,

I try to setup my first Connection from a Java Programm to a Sap App. I have a firewall between me an the the Sap Server so I go over a gateway. My problem is that I do not know what the error message really means. Could someone give me a hint what is my mistake?

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

Connect_PM GWHOST=9.156.111.70, GWSERV=3218, ASHOST=sersap18.f.sercon.de, SYSNR=18

LOCATION CPIC (TCP/IP) on local host

ERROR partner not reached (host 9.156.111.70, service 3218)

TIME Mon Apr 25 11:12:46 2005

RELEASE 640

COMPONENT NI (network interface)

VERSION 37

RC -10

MODULE nixxi_r.cpp

LINE 8605

DETAIL NiPConnect2

SYSTEM CALL SiPeekPendConn

ERRNO 10061

ERRNO TEXT WSAECONNREFUSED: Connection refused

COUNTER

[Former Member]

The error is saying that server with ip address 9.156.111.70 doesn't have a port 3218. Can you post the code for your connection and also your connection parameter in your SAP logon pad.

[Former Member]

Hello,

here is my logon string: "/H/9.156.111.70/H/193.103.135.131/S/3299/H/"

The application server is: "sersap18.f.sercon.de"

The System Id is: S18

The System number is: 18

The application server can only be accessed throught the gateway 9.156.111.70.

I am trying to get a sample program of SAPJco to run. Here is the Connect Code:

try {

cdb = new ConnectDataBean();

mConnection = JCO.createClient("100",

"userid",

"password",

null, //no lang set

"sersap18.f.sercon.de",

"18",

"9.156.111.70", //GW address

"3218"); //GW service

mConnection.connect();

mRepository = new JCO.Repository("ARAsoft", mConnection);

}

catch (Exception ex) {

ex.printStackTrace();

System.exit(1);

}

Where can I find the right GW service number?

Greetings

Sven

[Former Member]

Hello,

I have to add something. I have tried the program with a gateway service number of 3299. It shows a different error message:

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

Connect_PM GWHOST=9.156.111.70, GWSERV=3299, ASHOST=sersap18.f.sercon.de, SYSNR=18

LOCATION CPIC (TCP/IP) on local host

ERROR connection to partner broken

TIME Tue Apr 26 09:38:32 2005

RELEASE 640

COMPONENT NI (network interface)

VERSION 37

RC -6

MODULE ninti.c

LINE 764

DETAIL NiPRead (9.156.111.70/3299, hdl 1)

SYSTEM CALL recv

COUNTER 3

I hope this is a good sign?

Greetings

Sven

[Former Member]

Hello,

I have to add something again. I have found a site on the net where someone had a similar problem. He had to put the connect string + the ashost name "/H/9.156.111.70/H/193.103.135.131/S/3299/H/sersap18.f.sercon.de"

in the ashost parameter. I have done that and have come a step forward now the code looks like this:

try {

cdb = new ConnectDataBean();

mConnection = JCO.createClient("100",

"userid",

"password",

null, //no lang set

/H/9.156.111.70/H/193.103.135.131/S/3299/H/sersap18.f.sercon.de",

"18",

"9.156.111.70", //GW address

"3218"); //GW service

mConnection.connect();

mRepository = new JCO.Repository("ARAsoft", mConnection);

}

catch (Exception ex) {

ex.printStackTrace();

System.exit(1);

}

But my problem is not solved. I still get an error message:

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

Connect_PM GWHOST=9.156.111.70, GWSERV=3299, ASHOST=/H/9.156.111.70/H/193.103.135.131/S/3299/H/sersap18.f.sercon.de, SYSNR=18

LOCATION SapRouter on zyklop

ERROR service 'sapgw18' unknown

TIME Tue Apr 26 11:08:11 2005

RELEASE 620

COMPONENT NI (network interface)

VERSION 36

RC -91

MODULE niuxi.c

LINE 583

DETAIL NiPServToNo

SYSTEM CALL getservbyname

COUNTER 4540

[Former Member]

Hi Sven,

i faced similar problems and played a little bit with the parameters. Try this syntax:

mConnection = JCO.createClient("100","userid","pw","DE",

"/H/SAPROUTER2.HCC.UNI-MAGDEBURG.DE/S/3299/H/A22Z","A22");

I also get an error message, but I think this is because the server is down in this moment.

LOCATION SapRouter on f00

ERROR partner not reached (host A22Z, service 3300)

TIME Fri Jun 17 20:59:43 2005

RELEASE 620

COMPONENT NI (network interface)

VERSION 36

RC -92

MODULE niuxi.c

LINE 1099

DETAIL NiPConnect2

SYSTEM CALL SO_ERROR

ERRNO 239

ERRNO TEXT Connection r

HTH

Markus

[Former Member]

install a sap client , use the parameters in you codes to connect to the SAP server with the client, if it works , i think your programme will work

[Former Member]

Hello,

I have a working SAP Client. Could you please tell me where I can find the Connection Data and how to use it?

Greetings

Sven