Error while creating JCO connections

[Former Member]

Hello Experts,

I'm getting error when i'm creating JCO Connection on WebDynpro content administrator.

My SLD connection is fine from my ECC system ( SLDCHECK / RZ70).

When i'm testing JCO Connection i'm getting following error:-

com.sap.mw.jco.JCO$Exception: (102) JCO_ERROR_COMMUNICATION: JCO.Client not connected in repository call

When i'm pinging , Getting following error :-

Failed to ping JCo destination 'WD_FLIGHTLIST_MODELDATA_DEST'.

When i Run it , I'm getting this error :-

com.sap.mw.jco.JCO$Exception: (102) RFC_ERROR_COMMUNICATION: Connect to message server host failed Connect_PM TYPE=B MSHOST=**** GROUP=Public R3NAME=DEV MSSERV=sapmsDEV PCS=1 ERROR service 'sapmsDEV' unknown TIME Thu Mar 01 19:53:39 2007 RELEASE 700 COMPONENT NI (network interface) VERSION 38 RC -3 MODULE nixxhsl.cpp LINE 776 DETAIL NiHsLGetServNo: service name cached as unknown COUNTER 4

at com.sap.mw.jco.MiddlewareJRfc.generateJCoException(MiddlewareJRfc.java:456)

at com.sap.mw.jco.MiddlewareJRfc$Client.connect(MiddlewareJRfc.java:922)

at com.sap.mw.jco.JCO$Client.connect(JCO.java:3171)

at com.sap.dictionary.runtime.mdi.DataProvider.<init>(DataProvider.java:90)

at com.sap.dictionary.runtime.mdi.DataProvider.<init>(DataProvider.java:122)

Please let me know if miss any thing here????

Praveen

[Former Member]

Praveen,

Check file <winnt>/system32/drivers/etc/services.

There are should be entry like

sapmsDEV	3600/tcp

If it is not there then you must add it. If it's there but you get an error then check port number (3600 in example above). It should be equals to 3600 + system_number_of_target_system.

Valery Silaev

SaM Solutions

http://www.sam-solutions.net