Why is java compiler throwing “Unreachable catch block for RemoteException.” in a try-catch where there is a RemoteException?

I have this code:

public static void main(String[] args) {

         
        try {
            
            Registry registro = LocateRegistry.getRegistry();
            
            EchoInt stub = (EchoInt) UnicastRemoteObject.exportObject(new EchoObjectRMI(), 0);
             bind (or rebind) the stub into the local registry
            registro.rebind("echoRemote", stub);
        } catch (RemoteException e) {
            System.err.println("Something wrong happended on the remote end");
            e.printStackTrace();
            System.exit(-1); // can't just return, rmi threads may not exit
        }
        System.out.println("The echo server is ready");
    }
}

But when i try to run it the compiler throws this error:

Exception in thread "main" java.lang.Error: Unresolved compilation problem: 
    Unreachable catch block for RemoteException. This exception is never thrown from the try statement body

    at server.EchoObjectRMI.main(EchoObjectRMI.java:33)

I don’t understand why. In theory, the exportObject method thows the RemoteException exception so, why is saying "This exception is never thrown from the try statement body"?

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