[omniORB] "ServantAlreadyActive" exception.

[David Riddoch]

On Tue, 4 Jul 2000, Ben Miller wrote:

> I'm just updating my project to use omniORB3 (instead of
> omniORB2.7.1).  I have code like this:
> 
> // Initialise the Object Request Broker.
> cout << "Initialising ORB..." << endl;
> orb = CORBA::ORB_init(argc, argv, 0);
> cout << "... ORB initialised." << endl;
> 
> // Initialise the root portable object adapter.
> cout << "Initialising POA..." << endl;
> CORBA::Object_var temp_obj =
> orb->resolve_initial_references("RootPOA");
> PortableServer::POA_var poa = PortableServer::POA::_narrow(temp_obj);
> cout << "... POA initialised." << endl;
> 
> // Create a new object implementation
> cout << "Creating the LongJob implementation..." << endl;
> LongJobImpl* impl = new LongJobImpl;
> LongJob_var obj_ref = impl->_this();	// Get object reference.

The servant is activated here, by implicit activation.


> // Register servant object with POA.
> PortableServer::ObjectId_var myImpl = poa->activate_object(impl);
> 
> I try to run this code (as my persistent server) and the very last
> line throws a "ServantAlreadyActive" exception.  What could I be doing
> wrong here?

The solution is to either omit the last line, or activate the object
before you call _this().  I prefer the latter, because it is clearer.


Cheers,
David