32 questions
1
vote
0
answers
413
views
How to handle or change Invalid JSON from Server Vaadin 21
I am trying to display a custom error when there is a session expired or a internal server error using VaadinService.getCurrent().setSystemMessagesProvider(PARAM);
Right know, Vaadin won't display the ...
- 452
0
votes
2
answers
109
views
is Vaadin Ready For Three Digits User Agent Strings
We are using Vaadin 7, 14 and 21.
I am curious about the upcomming 3 digits browser version
https://web.dev/chrome-firefox-100/
Is vaadin will have any issues withe the browser version change? or how ...
- 9
0
votes
0
answers
968
views
Vaadin 21: "Assertion error: No child node found with id -1" when opening a link in new browser tab
In a Vaadin 21.0.1 application there are some Tabs with a RouterLink in each Tab for application navigation.
In general this works fine. But when I right-click at one of these Tabs / RouterLinks then ...
- 824
1
vote
0
answers
258
views
Issue with object items in Vaadin Fusion combo box
I have a vaadin-combo-box in my Fusion v21 app which I try to populate with objects that contain a name and a value. So, I want to display the name property in the dropdown of the combo box and when I ...
- 419
0
votes
1
answer
821
views
Vaadin get/set cursor position / selection start/end in Textfield
I know there was in Vaadin7 (8) some methods the get / set the cursor position of the textfield from server side.
I'm using Vaadin Flow v21, but there are no such methods. How can I get/set the cursor ...
- 103
0
votes
1
answer
207
views
How to get a Prototype Scoped Osgi Component (which turn out to also be Vaadin component) reference programmatically
I am using Vaadin 21 in Apache Karaf, an Osgi container.
What i want to do :
Create a vaadin Component, annotates it with @Component(scope=ScopeService.PROTOTYPE)
In the View with the @Route, the ...
- 1
5
votes
0
answers
726
views
Vaadin login page conitiously and automatically reloads with spring-session-jdbc
I've just started to dive into Vaadin UI development, please excuse me in case of any silly mistakes. Can someone please help?
I built a simple sbring-boot application, that uses spring-security for ...
- 131
3
votes
2
answers
604
views
How can I display checkboxes instead of boolean in vaadin grid?
I'm working on a new application using vaadin-spring-boot-starter 21.0.7 and trying to render training database information in a Grid. I'd like to have the first column in the list be a checkbox for ...
- 33
2
votes
1
answer
371
views
Vaadin flow apps not working with spring boot 2.6.0
I've updated a Vaadin 21/Spring Boot 2.5.7 application to Spring Boot 2.6.0 and are experiencing issues with the rendering. It appears that the resources are not being made available for the frontend. ...
- 35
-1
votes
1
answer
173
views
Import component from add-on directory
I am using Vaadin version 21.0.7 with Spring Boot and i want to import Paginator add-on.
I have added addon's groupId in applicaton.properties as follows: vaadin.whitelisted-packages=com.test.demo,com....
- 1
0
votes
1
answer
245
views
Vaadin Crud component doesn't load data from JPA
I'm trying to create a Webinterface for my Discord Bot which allows the User to change some Settings of the Bot on their Server.
I store those Settings using Spring JPA. The Problem is that the stored ...
- 49
0
votes
2
answers
868
views
Vaadin: upgraded from v18 to v21: web ui does not load
I upgraded an existing (and working!) Vaadin application that was using v18.0.2 to v21.0.4. With that new version the server side application starts up as usual, it initializes OK and the first ...
- 4,386
1
vote
1
answer
126
views
GridRowDragger in Vaadin 21 missing?
I'd like to use this "Drag and Drop Reorder of Rows in Grid"-code in Vaadin 21: https://demo.vaadin.com/sampler/#ui/drag-drop/grid-reorder-rows-html5
Unfortunately I don't find the com....
- 824
1
vote
1
answer
2k
views
Vaadin 21: change date format at LocalDateTimeRenderer in Grid on locale change
Situation and problem, short
The LocalDateTimeRenderer in Vaadin 21 shows a German date in a German browser, even if the Locale in the Vaadin session is changed to e.g. Locale.UK.
Situation and ...
- 824
1
vote
1
answer
257
views
How to Listen to Vaadin component events in a JavaFX WebView?
I have created a form with Vaadin Flow (Vaadin version 21) with a save button. This form is then shown in a JavaFX WebView (Version 17.0.1) and now I want to listen to events in the form like save ...
- 2,539