OpenTP1 Version 7 Messages

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KFCA14816-E

mmm receiving messages failed. connection name=aa...aa logical terminal name=bb...bb detail error code=cc...cc

mmm: MCF identifier
aa...aa: Connection name
bb...bb: Logical terminal name
cc...cc: Detail error code
-16747: Receive buffer overflow
  • When using the TP1/NET/TCP/IP standard user exit routine that decides the input segment or the function for assembling received messages:
    The message length of the received message (the first four bytes of the message) exceeds the buffer length (value of mcftbuf -g length) specified in the buffer group definition.
    After this message, the KFCA14806-W message is output. If the TP1/NET/TCP/IP version is 07-02 or later, the KFCA14865-I message is also output.
  • When using the user's original user exit routine that decides the input segment:
    The sum of the length of the received message and the length of the remaining message exceeds the buffer length (value of mcftbuf -g length) specified in the buffer group definition.
    After this message, the KFCA14806-W message is output. If the TP1/NET/TCP/IP version is 07-02 or later, the KFCA14865-I message is also output.
-16757: Receive message length error
The message length of the received message (the first four bytes of the message) contains four or fewer bytes.
After this message, the KFCA14806-W message is output.
-16784: A send-only message was received during sending of a response message (response-only data).
S: Discards the message and releases the connection.
O: Contact the OpenTP1 administrator.
Countermeasure: Eliminate the cause of the error based on the detail error code.
For details, refer to the problem investigation procedure described in the manual OpenTP1 Protocol TP1/NET/TCP/IP.
When the detail error code is -16747:
Check the receive buffer definition and the message format on the local system. If the TP1/NET/TCP/IP version is 07-02 or later, see the KFCA14865-I message.
When the detail error code is -16757 or -16784:
Check the remote system.