RFC Connection problem

[Former Member]

Hi All,

We have .NET program(Using c#) which uses RFC's. We used 2 years RFC's without any problem until We have been upgraded our system from EHP4 FOR SAP ERP 6.0 / NW7.01 to ECC 6.0  EHP6.

Hello; we have .net program which uses zping rfc connection to our sap systems Program firstly checks for connecton from start for 3-4 seconds, after that connection drops we can see from icm logs. on .Net pogram http://192.168.10.61:1000/sap/bc/soap/rfc (for ABQ system) on web page and . net program it goes http://192.168.10.61:1000/sap/bc/soap/wsdl11?sap-client=100&services=ZPING in here we use rfc's which starts with zmst* . best regards ICM logs; [Thr 6316] NiIRead: hdl 205 received data (rcd=331,pac=1,RAW_IO) [Thr 6316] NiIRead: SiRecv failed for hdl 205/sock 8108 [Thr 6316] (SI_ECONN_BROKEN/0; I4; ST; P=172.16.0.153:50445; L=192.168.10.61:1000)[Thr 6316] NiICloseHandle: shutdown and close [Thr 6316] IcmConnClose: Connection 3/158 closed [Thr 6316] IcmConnFreeContext: context 3 released [Thr 6316] IcmServDecrRefCount: srvsapqa.konyaseker.com.tr:1000 - new serv_ref_count: 0 [Thr 6316] REQ TRACE END: 3/158/2 [Thr 6316] IcmWorkerThread: Thread 3: Waiting for event 172.16.0.153 --> .net application 192.168.10.61 --> SAP QAS system

Steps for Reconstruction

Please help me...

[Former Member]

After kernel update,

using rz10 we add parameter;

icm/HTTP/expect_100_close_on_error = false

The problem has been solved.

[Former Member]

And the details are in SAP note 1737707. The .NET application can also be changed to avoid the problem.

https://service.sap.com/sap/support/notes/1737707