Examples of java.rmi.NoSuchObjectException

java.rmi.NoSuchObjectException
A NoSuchObjectException is thrown if an attempt is made to invoke a method on an object that no longer exists in the remote virtual machine. If a NoSuchObjectException occurs attempting to invoke a method on a remote object, the call may be retransmitted and still preserve RMI's "at most once" call semantics. A NoSuchObjectException is also thrown by the method java.rmi.server.RemoteObject.toStub and by the unexportObject methods of java.rmi.server.UnicastRemoteObject and java.rmi.activation.Activatable and @version 1.13, 11/17/05 @author Ann Wollrath @since JDK1.1 @see java.rmi.server.RemoteObject#toStub(Remote) @see java.rmi.server.UnicastRemoteObject#unexportObject(Remote,boolean) @see java.rmi.activation.Activatable#unexportObject(Remote,boolean)

     * @return the converted exception or the original exception
     */
    protected Throwable convertThrowable(final Throwable throwable) {
        // see 14.3.9 chapter EJB3
        if (isExtendingRmiRemote() && throwable instanceof NoSuchEJBException) {
            NoSuchObjectException ne = new NoSuchObjectException(throwable.getMessage());
            ne.detail = throwable;
            return ne;
        }


        // see 14.4.2.2 chapter EJB3

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            // insert
            cache.put(id, instance);
         }
         catch(Throwable x)
         {
            throw new NoSuchObjectException(x.getMessage());
         }
      }
      return instance;
   }

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               cache.insert(id, ctx);
            }
            catch (Throwable x)
            {
               log.debug("Activation failure", x);
               throw new NoSuchObjectException(x.getMessage());
            }
         }
      }


      return ctx;

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    */
   public Object invokeRemote(Object proxy, Method method, Object[] args) throws Throwable
   {
      boolean trace = log.isTraceEnabled();
      HARMIServer target = (HARMIServer)getRemoteTarget();
      NoSuchObjectException nsoe = null;
      Exception lastException = null;
      while (target != null)
      {         
         try
         {

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         }
         catch(NoSuchEJBException e)
         {
            if(log.isTraceEnabled())
               log.trace("Throwing " + e.getClass().getName(), e);
            throw new NoSuchObjectException(e.getMessage());
         }


         InvocationResponse response = new InvocationResponse(null);
         return response;
      }

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      // If remote EJB2.x Client
      else if (Remote.class.isAssignableFrom(actualInvokingClass)
            || EJBObject.class.isAssignableFrom(actualInvokingClass)
            || EJBHome.class.isAssignableFrom(actualInvokingClass))
      {
         t = new NoSuchObjectException(original.getMessage());
      }
      // Business interface
      else
      {
         // Take no action, this is here just for readability

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    }


    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
        if (isInvalidReference) {
            if (remote || java.rmi.Remote.class.isAssignableFrom(method.getDeclaringClass())){
                throw new NoSuchObjectException("reference is invalid");
            } else {
                throw new NoSuchEJBException("reference is invalid");
            }
        }

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                    throw new SystemException("Unexpected load exception", e);
                }


                // Did we find the instance?
                if (instance == null) {
                    throw new InvalidateReferenceException(new NoSuchObjectException("Not Found"));
                }


                
                // remember instance until it is returned to the cache                
                checkedOutInstances.put(primaryKey, instance);

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    private void isValidReference(Method method) throws NoSuchObjectException {
        if (isInvalidReference) {
            if (interfaceType.isComponent() && interfaceType.isLocal()){
                throw new NoSuchObjectLocalException("reference is invalid");
            } else if (interfaceType.isComponent() || java.rmi.Remote.class.isAssignableFrom(method.getDeclaringClass())) {
                throw new NoSuchObjectException("reference is invalid");
            } else {
                throw new NoSuchEJBException("reference is invalid");
            }
        }
        if (!(Object.class.equals(method.getDeclaringClass())

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    private void isValidReference(Method method) throws NoSuchObjectException {
        if (isInvalidReference) {
            if (interfaceType.isComponent() && interfaceType.isLocal()){
                throw new NoSuchObjectLocalException("reference is invalid");
            } else if (interfaceType.isComponent() || java.rmi.Remote.class.isAssignableFrom(method.getDeclaringClass())) {
                throw new NoSuchObjectException("reference is invalid");
            } else {
                throw new NoSuchEJBException("reference is invalid");
            }
        }
        getDeploymentInfo(); // will throw an exception if app has been undeployed.

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