Problem connecting to SAP via SNC

[Former Member]

Hi,

I am facing the following error when trying to connect to SAP via SNC

Attributes:

Exception in thread "main" com.sap.conn.jco.JCoException: (102) RFC_ERROR_COMMUNICATION: connection closed without message (CM_NO_DATA_RECEIVED)

at com.sap.conn.jco.rt.MiddlewareJavaRfc.generateJCoException(MiddlewareJavaRfc.java:455)

at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.connect(MiddlewareJavaRfc.java:1114)

at com.sap.conn.jco.rt.ClientConnection.connect(ClientConnection.java:659)

at com.sap.conn.jco.rt.PoolingFactory.init(PoolingFactory.java:103)

at com.sap.conn.jco.rt.ConnectionManager.createFactory(ConnectionManager.java:171)

at com.sap.conn.jco.rt.DefaultConnectionManager.createFactory(DefaultConnectionManager.java:44)

at com.sap.conn.jco.rt.ConnectionManager.getFactory(ConnectionManager.java:160)

at com.sap.conn.jco.rt.RfcDestination.initialize(RfcDestination.java:754)

at com.sap.conn.jco.rt.RfcDestination.getAttributes(RfcDestination.java:615)

at com.sap.conn.jco.rt.RfcDestination.getAttributes(RfcDestination.java:26)

at StepByStepClient.step1Connect(StepByStepClient.java:76)

at StepByStepClient.main(StepByStepClient.java:306)

Caused by:

RfcException: [System <empty>|172.26.144.74/00]

message: connection closed without message (CM_NO_DATA_RECEIVED)

Return code: RFC_CLOSED(6)

error group: 102

key: RFC_ERROR_COMMUNICATION

at com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcReceive(RfcIoOpenCntl.java:1984)

at com.sap.conn.rfc.api.RfcApi.RfcOpen(RfcApi.java:140)

at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.connect(MiddlewareJavaRfc.java:1107)

... 10 more

Caused by: com.sap.conn.rfc.exceptions.RfcGetException: connection closed without message (CM_NO_DATA_RECEIVED)

at com.sap.conn.rfc.engine.RfcGet.rfcget_gethead(RfcGet.java:335)

at com.sap.conn.rfc.engine.RfcGet.rfcget_run(RfcGet.java:39)

at com.sap.conn.rfc.engine.RfcGet.ab_rfcget(RfcGet.java:22)

at com.sap.conn.rfc.engine.RfcRcv.ab_rfcreceive(RfcRcv.java:30)

at com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcReceive(RfcIoOpenCntl.java:1899)

... 12 more

Caused by:

>RfcIoException:

message: connection closed without message (CM_NO_DATA_RECEIVED)

Return code: RFCIO_ERROR_DEALLOCATED(10)<

at com.sap.conn.rfc.engine.RfcIoOpenCntl.ab_rfcread(RfcIoOpenCntl.java:653)

at com.sap.conn.rfc.engine.RfcGet.rfcget_gethead(RfcGet.java:331)

... 16 more

sapparam: sapargv(argc, argv) has not been called!

sapparam(1c): No Profile used.

sapparam: SAPSYSTEMNAME neither in Profile nor in Commandline

Please hel me to resolve this issue,

Regards,

Karthik Ravoori

[Former Member]

Hi,

Please check with your Saprouter in the DMZ and also SAPROUTTAB file under the folder SApROUTER then can you check that the firewall is not blocking or not?

[Former Member]

Hi,

You can update the ST - PI and ST-A/PI tools. then u will try

[Former Member]

Hi,

I have set the SAPSYSTEMNAME explicity in RZ10 of the Instance profile but still I am getting this error.

Regards

Karthik Ravoori

[Former Member]

Hi Karthik,

sapparam: sapargv(argc, argv) has not been called!

sapparam(1c): No Profile used.

sapparam: SAPSYSTEMNAME neither in Profile nor in Commandline

Please ensure that the parameter SAPSYSTEMNAME is set and maintained correctly.

Regards,

Varun