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List:       jacorb-developer
Subject:    Re: [jacorb-developer] Unable to convert a Reference to a
From:       "Gopi Ramesh S.V.V." <gopi_ramesh () hotmail ! com>
Date:       2009-08-07 7:33:07
Message-ID: BAY138-W12C29B7894707ABA15B76810B0 () phx ! gbl
[Download RAW message or body]


Hi,

 

I am getting the issue at "_is = _invoke(_os);" line in the connect method of \
_WDIRootStub as shown below:

 

 public MetaSolv.CORBA.WDIASR37.WDIManager connect(MetaSolv.CORBA.WDI.ConnectReq \
aConnectReq) throws MetaSolv.CORBA.WDI.WDIExcp  {
  while(true)
  {
  if(! this._is_local())
  {
   org.omg.CORBA.portable.InputStream _is = null;
   try
   {
    org.omg.CORBA.portable.OutputStream _os = _request( "connect", true);
    MetaSolv.CORBA.WDI.ConnectReqHelper.write(_os,aConnectReq);
    _is = _invoke(_os);
    MetaSolv.CORBA.WDIASR37.WDIManager _result = \
MetaSolv.CORBA.WDIASR37.WDIManagerHelper.read(_is);  return _result;
   }
   catch( org.omg.CORBA.portable.RemarshalException _rx ){}

}

 

This issue is coming with IOR binding and NameService binding(using \
resolve_initial_reference) also.

Please let me know what could be the problem.

 

Thanks & Regards,

S.V.V.G.Ramesh
 
> Date: Tue, 2 Dec 2008 00:47:40 -0600
> From: johnc@ociweb.com
> To: jacorb-developer@lists.spline.inf.fu-berlin.de
> Subject: Re: [jacorb-developer] Unable to convert a Reference to a requied data \
> type 
> On Mon, Dec 1, 2008 at 11:20 PM, Gopi Ramesh S. V. V.
> <gopi_ramesh@hotmail.com> wrote:
> > 
> > Hi,
> > 
> > Below is the piece of code where I am getting the issue.
> > The red colored line causing the actual issue.
> > I am using the ior method to get the object from the name service.
> > 
> > 
> > WDIRoot aWDIRoot;WDIManager aWDIManager;org.omg.CORBA.Object o;
> > 
> > org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args, null);o = \
> > orb.string_to_object(args[0]);aWDIRoot = WDIRootHelper.narrow(o); aWDIManager = \
> > aWDIRoot.connect(new ConnectReq("", ""));
> 
> This is a servant side problem. Check the aWDIRoot.connect()
> implementation, thats where the exception is being thrown from.
> 
> Ciju
> 
> > 
> > Thanks & Regards,
> > S.V.V.G.Ramesh
> > > Date: Mon, 1 Dec 2008 09:25:39 -0600> From: johnc@ociweb.com> To: \
> > > jacorb-developer@lists.spline.inf.fu-berlin.de> Subject: Re: [jacorb-developer] \
> > > Unable to convert a Reference to a requied data type> > Can you show the code \
> > > line thats throwing the exception? The problem> seems to be a servant side \
> > > improper cast attempt.> > org.omg.CORBA.UNKNOWN: Server-side Exception: \
> > > java.lang.ClassCastException> > Ciju> > On Mon, Dec 1, 2008 at 8:35 AM, Gopi \
> > > Ramesh S. V. V.> <gopi_ramesh@hotmail.com> wrote:> >> > Hi,> >> > I have bind \
> > > an object to the NameService and in my client program able to get the reference \
> > > of the same object from the NameService.> > While making a method call on the \
> > > reference it will return an object of type 'WDIManager'.> > But I am getting \
> > > the below error while assigning the retun type to the WDIManager variable \
> > > type.> >> > org.omg.CORBA.UNKNOWN: Server-side Exception: \
> > > java.lang.ClassCastException: org.jacorb.orb.Reference cannot be cast to \
> > > com.CORBA.WDI.WDIManager at \
> > > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at \
> > > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) \
> > > at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) \
> > > at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at \
> > > org.jacorb.orb.SystemExceptionHelper.read(SystemExceptionHelper.java:223) at \
> > > org.jacorb.orb.ReplyReceiver.getReply(ReplyReceiver.java:321) at \
> > > org.jacorb.orb.Delegate.invoke_internal(Delegate.java:1074) at \
> > > org.jacorb.orb.Delegate.invoke(Delegate.java:939) at \
> > > org.omg.CORBA.portable.ObjectImpl._invoke(ObjectImpl.java:80) at \
> > > MetaSolv.CORBA.WDIASR37._WDIRootStub.connect(_WDIRootStub.java:79) at \
> > > demo.grid.Client.main(Client.java:55)> >> > Please let me know why I am getting \
> > > this error?> >> > Thanks & Regards,> > S.V.V.G.Ramesh.> > \
> > > _________________________________________________________________> > Chose your \
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