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Questions - vaadin

Cannot invoke "com.vaadin.flow.server.VaadinService.getContext()", the return value of "com.vaadin.flow.server.VaadinSession.getService()" is null

I'm trying to setup a Vaadin 22 project using spring, spring-boot and hazelcast for session replication. If I remove everything related to Hazelcast, the execution runs smoothly and I can login (throu...
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Luca Trecarichi

spring

spring-boot

vaadin

hazelcast

session-replication

Votes: 0

Answers: 0

Pushing Images Vaadin Java

i am trying to create a turn-base card game in Vaadin-Java, everything was going well so far, but i have a problem with pushing Vaadin Images to other UI. I did copy Broadcast/BroadcasterView Class fr...
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Greg S.

image

websocket

vaadin

push

broadcast

Votes: 0

Answers: 1

Latest Answer

You need to pass data through the broadcaster, but what you write about your attempts makes me suspect that you've been trying to pass UI components (i.e. instances of com.vaadin.flow.component.html.I...
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Leif Åstrand

Vaadin: What is the Spring context of the Drop component?

I am using the 21 version of Vaadin. I have the following code, taken from an example from the Vaadin website and slightly (purely beauty) modified by me. The remaining files are unchanged. the codes ...
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Andrew Miterev

spring-security

vaadin

drop

security-context

Votes: 0

Answers: 0

Vaadin Layout dont Diaply Buttons

Hi am usin Vaadin to code an WebApplication. I use this Vaadin Addon: https://vaadin.com/directory/component/carousel-addon My Problem is that my Button layout only display on the 3rd Carousel Slide a...
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Zakon

java

spring

user-interface

layout

vaadin

Votes: 0

Answers: 2

Latest Answer

Could it be that your Label infoText takes more vertical space than your HorizontalLayout textFields in the second case and therefore the buttonLayout is just out of view? I know that this is no real ...
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WaTho

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