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K2 Connect to SAP Error： no connect of TP sapdp00 from host <hostserver> after 20 sec

  • April 30, 2018
  • 4 replies
  • 2023 views
R

Dear all,

 

We encountered a problem when connect to sap via K2 Connect. We configured the connection string then click the test button, but prompt error as below:

 

[Thr 23920] LOCATION    SAP-Gateway on host <hostserver> / sapgw00
[Thr 23920] ERROR       timeout during allocate
[Thr 23920] TIME        Mon Apr 30 14:50:01 2018
[Thr 23920] RELEASE     701
[Thr 23920] COMPONENT   SAP-Gateway
[Thr 23920] VERSION     2
[Thr 23920] RC          242
[Thr 23920] MODULE      gwr3cpic.c
[Thr 23920] LINE        2066
[Thr 23920] DETAIL      no connect of TP sapdp00 from host <hostserver> after 20 sec
[Thr 23920] COUNTER     469

 

Can you tell us how to fix it?

 

Thanks very much!

Best answer by ThinusC

Hi RayFor


 


This does sound like something ouside of K2 Connect, possibly on the SAP side.


 


A quick search found the following: https://archive.sap.com/discussions/thread/1226806


 


"We had the same error. Our SAP-System doesn´t open any RFC-Connection although nothing changed. The only thing was we rebooted our server. After this this error occurred.


The solution was to reset the hostname buffer in TA sm51->GoTo->Hostname buffer"


 


Hope that helps.


 


Cheers,


T

    4 replies

    T
    Nintex Employee
    Forum|alt.badge.img+10
    • ThinusCNintex Employee
    • Nintex Employee
    • 62 replies
    • April 30, 2018

    Hi RayFor


     


    This could possibly be a network or firewall related issue where K2 Connect cannot connect to the SAP server.


     


    Please see the following SAP article regarding SAP NetWeaver port numbers: https://help.sap.com/saphelp_nw73ehp1/helpdata/en/4e/c26cdc58e968b9e10000000a42189e/frameset.htm


     


    From your error it can’t connect to Gateway "sapgw00" and Dispatcher "sapdp00", so from the above article it might be Ports 3300 and 3200.


     


    Regards,


    T

    R
    • RayFor
    • Author
    • 18 replies
    • May 1, 2018

    Hi ThinusC，

     

    From the error message looks like firewall ports issue, but I can confirmed with SAP admin 3300 is the gw service, and even I can telnet the SAPIP:3300 from the K2 connect server. from the detailed log I can see the connection was sucessfully established.

     

    Thr 23920] NiIConnectSocket: hdl 4 is connecting to 192.168.81.55:3300 (timeout=60000)
    [Thr 23920] SiPeekPendConn: connection of sock 1984 established
    [Thr 23920] NiICheckPendConnection: connection of hdl 4 to 192.168.81.55:3300 established

    at the bottom of the log it says timeout. do you know the reason?

     

    Thank you very much.

    T
    Nintex Employee
    Forum|alt.badge.img+10
    • ThinusCNintex Employee
    • Nintex Employee
    • 62 replies
    • Answer
    • May 4, 2018

    Hi RayFor


     


    This does sound like something ouside of K2 Connect, possibly on the SAP side.


     


    A quick search found the following: https://archive.sap.com/discussions/thread/1226806


     


    "We had the same error. Our SAP-System doesn´t open any RFC-Connection although nothing changed. The only thing was we rebooted our server. After this this error occurred.


    The solution was to reset the hostname buffer in TA sm51->GoTo->Hostname buffer"


     


    Hope that helps.


     


    Cheers,


    T

    R
    • RayFor
    • Author
    • 18 replies
    • May 5, 2018

    Hi all,

     

    Thanks you, I have resolved this issue, it is caused by sap couldn;t recognize IP, change the IP to host and add some entries in "services" folder, the issue resolved


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