Package com.vaadin.server

Examples of com.vaadin.server.ErrorHandler

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        addComponent(table);
    }

    protected void setErrorHandler(boolean enabled) {
        if (enabled) {
            VaadinSession.getCurrent().setErrorHandler(new ErrorHandler() {

                @Override
                public void error(ErrorEvent event) {
                    Throwable t = event.getThrowable();
                    if (t instanceof RpcInvocationException) {
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                "Button with notification error handler"));
        addComponent(runtimeExceptionOnClick(customErrorButton));

        final VerticalLayout layoutWithErrorHandler = new VerticalLayout(
                runtimeExceptionOnClick(new Button("Error handler on parent")));
        ErrorHandler e = new ErrorHandler() {

            @Override
            public void error(com.vaadin.server.ErrorEvent event) {
                layoutWithErrorHandler.addComponent(new Label("Layout error: "
                        + getErrorMessage(event)));
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    @Override
    protected void setup(VaadinRequest request) {
        getPushConfiguration().setPushMode(PushMode.AUTOMATIC);

        VaadinSession.getCurrent().setErrorHandler(new ErrorHandler() {

            @Override
            public void error(com.vaadin.server.ErrorEvent event) {
                addComponent(new Label("An error! "
                        + event.getThrowable().getMessage()));
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        });
        addComponent(dataType);

        tf = new TextField("TextField");
        addComponent(tf);
        tf.setErrorHandler(new ErrorHandler() {

            @Override
            public void error(ErrorEvent event) {
                tf.setComponentError(new UserError("Invalid value"));
            }
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     * Call the session's {@link ErrorHandler}, if it has one, with the given
     * exception wrapped in an {@link ErrorEvent}.
     */
    private void callErrorHandler(VaadinSession session, Exception e) {
        try {
            ErrorHandler errorHandler = ErrorEvent.findErrorHandler(session);
            if (errorHandler != null) {
                errorHandler.error(new ErrorEvent(e));
            }
        } catch (Exception ex) {
            // Let's not allow error handling to cause trouble; log fails
            getLogger().log(Level.WARNING, "ErrorHandler call failed", ex);
        }
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                        errorHandlingRunnable.handleError(exception);
                    } else {
                        ConnectorErrorEvent errorEvent = new ConnectorErrorEvent(
                                UI.this, exception);

                        ErrorHandler errorHandler = com.vaadin.server.ErrorEvent
                                .findErrorHandler(UI.this);

                        if (errorHandler == null) {
                            errorHandler = new DefaultErrorHandler();
                        }

                        errorHandler.error(errorEvent);
                    }
                } catch (Exception e) {
                    getLogger().log(Level.SEVERE, e.getMessage(), e);
                }
            }
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                        errorHandlingRunnable.handleError(exception);
                    } else {
                        ConnectorErrorEvent errorEvent = new ConnectorErrorEvent(
                                UI.this, exception);

                        ErrorHandler errorHandler = com.vaadin.server.ErrorEvent
                                .findErrorHandler(UI.this);

                        if (errorHandler == null) {
                            errorHandler = new DefaultErrorHandler();
                        }

                        errorHandler.error(errorEvent);
                    }
                } catch (Exception e) {
                    getLogger().log(Level.SEVERE, e.getMessage(), e);
                }
            }
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     * Call the session's {@link ErrorHandler}, if it has one, with the given
     * exception wrapped in an {@link ErrorEvent}.
     */
    private void callErrorHandler(VaadinSession session, Exception e) {
        try {
            ErrorHandler errorHandler = ErrorEvent.findErrorHandler(session);
            if (errorHandler != null) {
                errorHandler.error(new ErrorEvent(e));
            }
        } catch (Exception ex) {
            // Let's not allow error handling to cause trouble; log fails
            getLogger().log(Level.WARNING, "ErrorHandler call failed", ex);
        }
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Related Classes of com.vaadin.server.ErrorHandler

  • com.vaadin.server.communication.PushHandler
  • com.vaadin.tests.components.abstractfield.TextFieldConversions
  • com.vaadin.tests.components.table.TableWithBrokenGeneratorAndContainer
  • com.vaadin.tests.errorhandler.ErrorHandlers
  • com.vaadin.tests.push.PushErrorHandling
  • com.vaadin.ui.UI
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