[omniORB] Problems catching exceptions in clients

[Ridgway, Richard (London)]

> catch (const MysqlPackage::Mysql::MysqlException::Exception& ex){
>     cout << "ERROR: " << ex._name() << endl;
> }


Shouldn't that just be catch (const MysqlPackage::Mysql::MysqlException
& ex)

Is your client calling an idl method that is declared to throw this
exception?


Richard


-----Original Message-----
From: omniorb-list-bounces at omniorb-support.com
[mailto:omniorb-list-bounces at omniorb-support.com] On Behalf Of Clarke
Brunt
Sent: 11 April 2008 12:02
To: omniorb-list at omniorb-support.com
Subject: RE: [omniORB] Problems catching exceptions in clients


evgeni.rojkov at durr.com wrote:
> ... could yout try "throw new
> MysqlPackage::Mysql::MysqlException(...);" ... just try to add  this
> "new". 

At the risk of my talking nonsense, I don't think that's correct.

If you add "new", then you are throwing a pointer to the exception. For
one thing, you could then have to catch a pointer as well (rather than
catching by value or by reference), but I don't believe that the CORBA
C++ mapping tells you to throw pointers - you are just supposed to throw
the object. So if you _did_ throw a pointer, then omniORB wouldn't
recognise it, and you'd just end up with a generic exception at the
client.

Clarke Brunt
TRAFFICMASTER PLC
UNIT 22 / ST. JOHN'S INNOVATION CENTRE
COWLEY ROAD / CAMBRIDGE / CB4 0WS
T: 01223 422469
F: 
E: clarke.brunt at trafficmaster.co.uk

 
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