AW: [omniORB] Array size limit

[evgeni.rojkov at durr.com]

Here is part from omniOrb.cfg
Is this what you are looking for?
Kind Regards, Evgeni
....
############################################################################
# giopMaxMsgSize
#
#    This value defines the ORB-wide limit on the size of GIOP message 
#    (excluding the header). If this limit is exceeded, the ORB will
#    refuse to send or receive the message and raise a MARSHAL exception.
#
#    Valid values = (n >= 8192)
#
giopMaxMsgSize = 2097152    # 2 MBytes.
....

-----Ursprüngliche Nachricht-----
Von: omniorb-list-bounces at omniorb-support.com
[mailto:omniorb-list-bounces at omniorb-support.com] Im Auftrag von Klas Nordberg
Gesendet: Mittwoch, 7. Mai 2008 10:29
An: omniorb-list at omniorb-support.com
Betreff: [omniORB] Array size limit


Hi

I'm testing how long time it takes to send large arrays of bytes 
(CORBA::Octet) between a server and client using omniORB CORBA by 
writing a client which sends 10^6 bytes to a server which just copies 
the received byte array to a local buffer.

On a linux platform this works fine, but when I tested to run the client 
on a Windows platform, I get a stack overflow runtime error (not an 
exception) from somewhere deep in the ORB.  When I decrease the size of 
the array, however, it works.  Apparently, there is a limit on the 
amount of data in an array which can be processed by the ORB.

The idl looks like

typedef octet inputdata[1000000];

interface server {
  long receivedata(in inputdata data);
};


QUESTION1: Can I increase the limit so that a 10^6  byte array can be 
sent in one chunk also from a Windows client?  Is there a configuration 
variable?

QUESTION2: Is this limit documented somewhere?  Is it a bug?  It appears 
to me that the stack overflow error is not gracefully managed by the ORB

Regards

Klas Nordberg


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