Re: [xmlblaster] c++ error!!

[Michele Laghi <laghi at swissinfo.org>]

Hi Zhang,
1) Could you please tell me which Corba Implementation are you using ? I 
think you need one which supports multithreading.
2) Could you try to comment out the while loop ?


Michele


zhang wrote:
> I have a program , a corba program
>  
>  the idl defination is as following 
>  interface Hello 
>  {
>   void say_hello():
>  }
>
>  i want the function as follows : 
>    client->Server.say_hello   and in say_hello, it connect to xmlblaster and subscribe to some topic
>    i program it following Externorb.cpp  , transform the extern orb to kernel,  but it seems that wrong
>    
>    it think maybe the following kernerl function is wrong!! the while is wrong??
>    
>
>   
>   void CorbaConnection::createCallbackServer(POA_clientIdl::BlasterCallback *implObj) 
> {
>   if (implObj) {
>      if (log_.trace()) log_.trace(me(), "Trying resolve_initial_references ...");
>      CORBA::Object_var obj = orb_->resolve_initial_references("RootPOA");
>      if (log_.trace()) log_.trace(me(), "Trying narrowing POA ...");
>      poa_ = PortableServer::POA::_narrow(obj.in());
>      PortableServer::POAManager_var poa_mgr = poa_->the_POAManager();
>      // _this() incarnates with the servant ...
>      callback_ = implObj->_this();
>      CORBA::String_var tmp = orb_->object_to_string(callback_);
>      callbackIOR_ = tmp;
>      poa_mgr->activate();
>
>      while (orb_->work_pending()) orb_->perform_work();
>      return;
>      // add exception handling here !!!!!
>   }
>   return;
> }
>
>
> I trace into the kenrerl and find that it is the defaultCallbakcServer is not
> activated , and the server side call its ping error. 
>
> Can somebody explain this error to me?
> thanks !!
>
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--
Michele Laghi
mailto:laghi at swissinfo.org
tel. +46 8 7492952 / mob. +46 70 4103964
http://www.geocities.com/laghi2000
http://www.xmlBlaster.org