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Vaadin Forum1. Vaadin Flow - Java

ViSJS Addon Uncaught client side exception

Miasnikov Miasnikov
5 years ago Dec 20, 2016 11:01am

Hi .
please advise what can be the cause for the attached screenshot of exception .
I'm using : 
=====  VERSION INFO ====
Client engine version 7.7.6Server engine version 7.7.6Theme version 7.7.6Push server version 2.2.9.vaadin2Push client version 2.2.13.vaadin5-javascript (note: does not need to match server version)Widget setAppWidgetsetTheme valoCommunication methodClient to server: XHR, server to client: -Heartbeat 300s
VISJS Addon Version 1.0.1.0 .
=====  VERSION INFO ====
For widgetsets compilation I'm using gradle vaadin plugin .
The initial  diagram is being painted at the loading time , but when switching off for another tab and awitching back , nothing is present in the screen .
Please tell me if I need to provide additional info .
thanks in advance