[omniORB] Error in network receive (start of message) (was: Re: Delayed COMM_FAILURE on oneway call)

[Martin Ba]

Tracking this further -

I have been able to get additional logging, and it appears that the 
Receive for the "inputMessage" (whatever that is exactly) times out.

The error raised is:
+ + + +
omniORB: (54) 2013-06-26 11:04:48.851000: Dispatching remote call 
'Start' to: root<10588> (active)
...
omniORB: (54) 2013-06-26 11:04:48.857000: LocateRequest to remote: 
root/BiDirPOA<2>
... ...
omniORB: (54) 2013-06-26 11:05:18.689000: Error in network receive 
(start of message): giop:tcp:5x.5x.2.1x9:4303
omniORB: (54) 2013-06-26 11:05:18.689000: throw giopStream::CommFailure 
from giopStream.cc:874(0,MAYBE,COMM_FAILURE_WaitingForReply)
...
omniORB: (54) 2013-06-26 11:05:18.700000: Return from remote call 
'Start' to: root<10588> (active)
+ + + +

Unfortunately, we only had the log level at 15 (instead of the better 
25), so I don't have the tracks for any possible "Client attempt to 
connect", "Client opened connection", "sendChunk: to ", "inputMessage: 
from ".

I also have logging from the other end, but there (also traceLevel 15) 
there is no trace of this call attempt whatsoever:
+ + + +
omniORB: (?) 2013-06-26 11:04:48.720000: Invoke 'Start' on remote: 
root<10588>
...
omniORB: (?) 2013-06-26 11:05:18.545000: Return 'Start' on remote: 
root<10588>
+ + + +

Obviously, I'll retry with traceLevel 25 (once able to) to see if I can 
glean anything from that. Maybe anyone can make something of what I 
wrote so far ...

cheers,
Martin


On 13.06.2013 10:22, Martin Ba wrote:
> Hi experts!
>
> We had a communication failure recently on a direct LAN connection with
> omniORB: (both sides use omniORB)
>
> * One oneway callback worked without err, and immediately (~ms) after
> this working callback, ->
> * A oneway callback of ours failed with a COMM_FAILURE (unfortunately I
> haven't logged the minor reason).
> * The COMM_FAILURE happened 37 seconds after the call was invoked
> * During these 37 secs, the other side did continuously make normal
> synchronous calls and these all worked and were recorded in the logs.
>
>
> Is it possible to make an educated guess as to what might be a possible
> cause or at least where to look for problems?
>
>
> thanks!
>
> - Martin
>
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