Re: [msvc] RPC?

Sat, 16 Apr 2005 22:09:02 -0700

Environment:
OS: Windows 2003 Server Enterprise Edition with SP1
Hardware: HP ML 350 Server with dual Xeon processors at 3.06 Ghz
Language: VC++ 7.1 (unmanaged console app/service)
 
I'm having a weird intermitted bug where when I call my rpc function call,
It gets an RPC Exception on the client side of  "RPC_S_UNKNOWN_IF" (The
interface is unknown) (or Exception Code 1717).  I know for a fact that the
interface is known because the client has made thousands of calls to this
same interface over and over again... The other weird issue around this, is
it seem to happen more often when the client is on the local machine where
the server is at and less often when the client is running on another
machine (I'm using TPCIP as my protocol).  The code is pretty simple and
works very well except for this one problem..
 
 
STATUS CRpc::GetPage(const DWORD DataSize, UBYTE *Data, DWORD &SegType, const DWORD DocID, const DWORD Page, const DWORD Version)
    {
    STATUS Status = EC_FAILED;
 
    if (IsConnectedToService(scDocument) == false)
        Status = ConnectToService(scDocument);
    else
        Status = EC_OK;
 
    if (STATUSOK(Status))
        {
        RpcTryExcept
            {
            Status = rpcGetPage(DataSize, Data, &SegType, DocID, Page, Version);
            }
        RpcExcept(1)
            {
            logfile("rpcGetPage RPC Exception: %d\n", RpcExceptionCode());
            Status = EC_RPCCALLFAILED;
            }
        RpcEndExcept;
        }
 
    return (Status);
    }
 
Logfile of RPC Exceptions:
04/14/2005 17:06:57.421: rpcCreateDocument: RPC Exception Code:1717
04/14/2005 19:20:30.125: rpcCreateDocument: RPC Exception Code:1717
04/14/2005 19:57:45.734: rpcCreateDocument: RPC Exception Code:1717
04/14/2005 20:11:29.656: rpcCreateDocument: RPC Exception Code:1717
04/14/2005 20:38:29.515: rpcGetPage: RPC Exception Code:1717
04/15/2005 02:06:10.875: rpcGetPage: RPC Exception Code:1717
04/15/2005 02:37:32.250: rpcCreateDocument: RPC Exception Code:1717
04/15/2005 04:31:57.828: rpcGetPage: RPC Exception Code:1717
04/15/2005 04:48:49.906: rpcGetPage: RPC Exception Code:1717
04/15/2005 05:54:20.562: rpcGetPage: RPC Exception Code:1717
 
Any ideas? Anyone have this same problem?
 
Thanks,
Weston Fryatt
----- Original Message -----
To: MSVC
Sent: Saturday, April 16, 2005 11:40 PM
Subject: [msvc] RPC?

Anyone here know RPC or is pretty good at it... I'm a strange bug with it right now..
 

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