javax.faces.event.ExceptionQueuedEvent Java Examples

/**
 * Method to handle the generic exception and take a decision of witch step to take after identify the type of the
 * exception
 *
 * All non mapped exceptions on the {@link #customExceptionHandlers} will treated as generic exceptions on the
 * {@link UndefinedExceptionHandler}
 */
@SuppressWarnings("unchecked")
private void handleException() {

    final Iterator<ExceptionQueuedEvent> unhandled = getUnhandledExceptionQueuedEvents().iterator();

    if (unhandled.hasNext()) {

        final Throwable throwable = unhandled.next()
                .getContext()
                .getException();

        unhandled.remove();

        final FacesContext context = FacesContext.getCurrentInstance();
        final Throwable rootCause = Exceptions.unwrap(throwable);

        this.customExceptionHandlers.stream()
                .filter(handler -> handler.accept(rootCause))
                .findFirst()
                .ifPresentOrElse(handler -> handler.handle(context, rootCause),
                        () -> this.undefinedExceptionHandler.handle(context, rootCause));
    }
}
 

/**
 * @param context
 * @throws Throwable
 */
private void handleException(FacesContext context) {
    Iterator<ExceptionQueuedEvent> unhandledExceptionQueuedEvents = getUnhandledExceptionQueuedEvents().iterator();

    if (unhandledExceptionQueuedEvents.hasNext()) {
        Throwable exception = unhandledExceptionQueuedEvents.next().getContext().getException();
        unhandledExceptionQueuedEvents.remove();

        Throwable rootCause = Exceptions.unwrap(exception);

        if (rootCause instanceof BusinessException) {
            handleBusinessException(context, (BusinessException) rootCause);
            return;
        }

        //send user to error page when unexpected exceptions are raised
        goToErrorPage(context, rootCause);
    }

}
 

/**
 * Method to handle the generic exception and take a decision of witch step to take after identify the type of the
 * exception
 *
 * All non mapped exceptions on the {@link #customExceptionHandlers} will treated as generic exceptions on the
 * {@link UndefinedExceptionHandler}
 */
@SuppressWarnings("unchecked")
private void handleException() {

    final Iterator<ExceptionQueuedEvent> unhandled = getUnhandledExceptionQueuedEvents().iterator();

    if (unhandled.hasNext()) {

        final Throwable throwable = unhandled.next()
                .getContext()
                .getException();

        unhandled.remove();

        final FacesContext context = FacesContext.getCurrentInstance();
        final Throwable rootCause = Exceptions.unwrap(throwable);

        this.customExceptionHandlers.stream()
                .filter(handler -> handler.accept(rootCause))
                .findFirst()
                .ifPresentOrElse(handler -> handler.handle(context, rootCause),
                        () -> this.undefinedExceptionHandler.handle(context, rootCause));
    }
}
 

public void handle() throws FacesException {
    final Iterator<ExceptionQueuedEvent> i = getUnhandledExceptionQueuedEvents().iterator();

    while (i.hasNext()) {
        ExceptionQueuedEvent event = i.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();

        Throwable t = context.getException();
        final FacesContext fc = FacesContext.getCurrentInstance();
        final ExternalContext externalContext = fc.getExternalContext();
        try {
if (isInvalidSessionStateException(t)) {
             log.error(t.getMessage(), t);
	performRedirect(externalContext, "/error_session.htm");
} else {
             log.error(t.getMessage(), t);
             performRedirect(externalContext, "/error_service.htm");
}
            fc.renderResponse();
        } finally {
            i.remove();
        }
    }
    getWrapped().handle();
}
 

/**
 * Method to handle the generic exception and take a decision of witch step to take after identify the type of the
 * exception
 *
 * All non mapped exceptions on the {@link #customExceptionHandlers} will treated as generic exceptions on the
 * {@link UndefinedExceptionHandler}
 */
@SuppressWarnings("unchecked")
private void handleException() {

    final Iterator<ExceptionQueuedEvent> unhandled = getUnhandledExceptionQueuedEvents().iterator();

    if (unhandled.hasNext()) {

        final Throwable throwable = unhandled.next()
                .getContext()
                .getException();

        unhandled.remove();

        final FacesContext context = FacesContext.getCurrentInstance();
        final Throwable rootCause = Exceptions.unwrap(throwable);

        this.customExceptionHandlers.stream()
                .filter(handler -> handler.accept(rootCause))
                .findFirst()
                .ifPresentOrElse(handler -> handler.handle(context, rootCause),
                        () -> this.undefinedExceptionHandler.handle(context, rootCause));
    }
}
 

@Override
public void handle() throws FacesException {
    for (Iterator<ExceptionQueuedEvent> i = getUnhandledExceptionQueuedEvents().iterator(); i.hasNext();) {
        ExceptionQueuedEvent event = i.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();

        Throwable t = context.getException();
        if (t instanceof ViewExpiredException) {
            ViewExpiredException vee = (ViewExpiredException) t;
            FacesContext facesContext = FacesContext.getCurrentInstance();
            Map<String, Object> requestMap = facesContext.getExternalContext().getRequestMap();
            NavigationHandler navigationHandler = facesContext.getApplication().getNavigationHandler();
            try {
                // Push some useful stuff to the request scope for use in the page
                requestMap.put("currentViewId", vee.getViewId());
                navigationHandler.handleNavigation(facesContext, null, "/viewExpired");
                facesContext.renderResponse();
            } finally {
                i.remove();
            }
        }
    }

    // At this point, the queue will not contain any ViewExpiredEvents. Therefore, let the parent handle them.
    getWrapped().handle();
}
 

@Override
public void handle() throws FacesException {
    final Iterator<ExceptionQueuedEvent> i = getUnhandledExceptionQueuedEvents().iterator();
    while (i.hasNext()) {
        ExceptionQueuedEvent event = i.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();

        // get the exception from context
        Throwable t = context.getException();

        FacesContext facesContext = FacesContext.getCurrentInstance();

        if (t instanceof ViewExpiredException) {
            try {

                String homeLocation = "/index.xhtml";
                facesContext.setViewRoot(facesContext.getApplication().getViewHandler().createView(facesContext, homeLocation));
                facesContext.getPartialViewContext().setRenderAll(true);
                String messageText = "Your session is expired and data is resetted.";
                FacesMessage message = new FacesMessage(FacesMessage.SEVERITY_ERROR, messageText, messageText);
                facesContext.addMessage(null, message);
                facesContext.renderResponse();

            } finally {
                //remove it from queue
                i.remove();
            }
        }
    }
    //parent handle
    getWrapped().handle();
}
 

@Override
public void processEvent(SystemEvent event) throws AbortProcessingException
{
    //handle exceptions which occur in a phase-listener (beforePhase) for PhaseId.RENDER_RESPONSE
    //needed because #handle gets called too late in this case
    if (event instanceof ExceptionQueuedEvent)
    {
        ExceptionQueuedEvent exceptionQueuedEvent = (ExceptionQueuedEvent)event;
        FacesContext facesContext = exceptionQueuedEvent.getContext().getContext();

        if (facesContext.getCurrentPhaseId() == PhaseId.RENDER_RESPONSE &&
            exceptionQueuedEvent.getContext().inBeforePhase())
        {
            Throwable exception = getRootCause(exceptionQueuedEvent.getContext().getException());

            if (exception instanceof AccessDeniedException)
            {
                processAccessDeniedException(exception);
            }
            else
            {
                ExceptionToCatchEvent exceptionToCatchEvent = new ExceptionToCatchEvent(exception);
                exceptionToCatchEvent.setOptional(true);

                this.beanManager.fireEvent(exceptionToCatchEvent);

                if (exceptionToCatchEvent.isHandled())
                {
                    return;
                }
            }
        }
    }
    super.processEvent(event);
}
 

@Override
public void handle() throws FacesException {
	log.debug("invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();
    
    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        log.debug("Exception@" + t);
        log.debug("ExceptionHandlder began.");
        log.debug("t instanceof FacesException@" + (t instanceof FacesException));
        log.debug("t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        }

        if (t instanceof FacesFileNotFoundException|| t instanceof TaskNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        }
        log.debug("ExceptionHandlder end.");
        getWrapped().handle();
    }
    

}
 

@Override
public void handle() throws FacesException {
    log.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        log.log(Level.INFO, "Exception@" + t);
        log.log(Level.INFO, "ExceptionHandlder began.");
        log.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
     //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        }

        if (t instanceof FacesFileNotFoundException || t instanceof TaskNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        }
        log.log(Level.INFO, "ExceptionHandlder end.");
        getWrapped().handle();
    }

}
 

public void handle() throws FacesException {
    final Iterator<ExceptionQueuedEvent> i = getUnhandledExceptionQueuedEvents().iterator();

    while (i.hasNext()) {
        ExceptionQueuedEvent event = i.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();

        Throwable t = context.getException();
        final FacesContext fc = FacesContext.getCurrentInstance();
        final ExternalContext externalContext = fc.getExternalContext();
        try {
if (isSecurityException(t)) {
	performRedirect(externalContext, "/login.htm");
} else if (isConversationException(t)) {
	log.trace(t.getMessage(), t);
	performRedirect(externalContext, "/conversation_error.htm");
} if (isViewExpiredException(t)) {
                storeRequestURI();
                performRedirect(externalContext, "/login.htm");
} else {
	log.trace(t.getMessage(), t);
	performRedirect(externalContext, "/error.htm");
}
            fc.renderResponse();
        } finally {
            i.remove();
        }
    }
    getWrapped().handle();
}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        LOG.log(Level.INFO, "t instanceof FacesException@" + (t instanceof FacesException));
        //   log.log(Level.INFO, "t instanceof FacesFileNotFoundException@" + (t instanceof FacesFileNotFoundException));
        t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof FacesFileNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

@Override
public void handle() throws FacesException {
    LOG.log(Level.INFO, "invoking custom ExceptionHandlder...");
    Iterator<ExceptionQueuedEvent> events = getUnhandledExceptionQueuedEvents().iterator();

    while (events.hasNext()) {
        ExceptionQueuedEvent event = events.next();
        ExceptionQueuedEventContext context = (ExceptionQueuedEventContext) event.getSource();
        Throwable t = context.getException();
        LOG.log(Level.INFO, "Exception@" + t.getClass().getName());
        LOG.log(Level.INFO, "ExceptionHandlder began.");
        //t.printStackTrace();
        if (t instanceof ViewExpiredException) {
            try {
                handleViewExpiredException((ViewExpiredException) t);
            } finally {
                events.remove();
            }
        } else if (t instanceof TaskNotFoundException) {
            try {
                handleNotFoundException((Exception) t);
            } finally {
                events.remove();
            }
        } else {

            getWrapped().handle();
        }
        LOG.log(Level.INFO, "ExceptionHandlder end.");
    }

}
 

public static void publishException(Exception e) {
	FacesContext context = FacesContext.getCurrentInstance();
	ExceptionQueuedEventContext eventContext = new ExceptionQueuedEventContext(context, e);
	eventContext.getAttributes().put(EVENT_CONTEXT_VIEW_ID, context.getViewRoot().getViewId());
	context.getApplication().publishEvent(context, ExceptionQueuedEvent.class, eventContext);
}
 

@Override
public void handle() throws FacesException {
	
	Iterator<ExceptionQueuedEvent> i = getUnhandledExceptionQueuedEvents().iterator();
	
	while (i.hasNext()) {
		
		ExceptionQueuedEvent event = i.next();
		ExceptionQueuedEventContext context = event.getContext();
		Throwable t = context.getException();
		logger.error(t.getMessage(), t);
		
	}
	
	wrapped.handle();
	
}
 

@Override
public void handle() throws FacesException
{
    lazyInit();
    Iterator<ExceptionQueuedEvent> exceptionQueuedEventIterator = getUnhandledExceptionQueuedEvents().iterator();

    while (exceptionQueuedEventIterator.hasNext())
    {
        ExceptionQueuedEventContext exceptionQueuedEventContext =
                (ExceptionQueuedEventContext) exceptionQueuedEventIterator.next().getSource();

        @SuppressWarnings({ "ThrowableResultOfMethodCallIgnored" })
        Throwable throwable = exceptionQueuedEventContext.getException();

        String viewId = null;

        if (!isExceptionToHandle(throwable))
        {
            continue;
        }

        FacesContext facesContext = exceptionQueuedEventContext.getContext();
        Flash flash = facesContext.getExternalContext().getFlash();

        if (throwable instanceof ViewExpiredException)
        {
            viewId = ((ViewExpiredException) throwable).getViewId();
        }
        else if (throwable instanceof ContextNotActiveException)
        {
            //the error page uses a cdi scope which isn't active as well
            //(it's recorded below - see flash.put(throwable.getClass().getName(), throwable);)
            if (flash.containsKey(ContextNotActiveException.class.getName()))
            {
                //TODO show it in case of project-stage development
                break;
            }

            if (facesContext.getViewRoot() != null)
            {
                viewId = facesContext.getViewRoot().getViewId();
            }
            else
            {
                viewId = BeanProvider.getContextualReference(ViewConfigResolver.class)
                        //has to return a value otherwise this handler wouldn't be active
                        .getDefaultErrorViewConfigDescriptor().getViewId();
            }
        }

        if (viewId != null)
        {
            UIViewRoot uiViewRoot = facesContext.getApplication().getViewHandler().createView(facesContext, viewId);

            if (uiViewRoot == null)
            {
                continue;
            }

            if (facesContext.isProjectStage(javax.faces.application.ProjectStage.Development) ||
                    ProjectStageProducer.getInstance().getProjectStage() == ProjectStage.Development ||
                    ProjectStageProducer.getInstance().getProjectStage() instanceof TestStage)
            {
                throwable.printStackTrace();
            }

            facesContext.setViewRoot(uiViewRoot);
            exceptionQueuedEventIterator.remove();

            //record the current exception -> to check it at the next call or to use it on the error-page
            flash.put(throwable.getClass().getName(), throwable);
            flash.keep(throwable.getClass().getName());

            this.viewNavigationHandler.navigateTo(DefaultErrorView.class);

            break;
        }
    }

    this.wrapped.handle();
}