Vaadin-push 7.1.2 Uncaught client exception

Vaadin 6 / 7 / 8
1

I upgraded my Vaadin version to 7.1.2 and now i’m receiving such errors. What could it be related to?

SEVERE: (TypeError) : Cannot call method 'apply' of undefinedcom.google.gwt.core.client.JavaScriptException: (TypeError) : Cannot call method 'apply' of undefined
	at Unknown.Zdc(0.js@26)
	at Unknown.Ndc(0.js@106)
	at Unknown.knc(0.js@163)
	at Unknown.Yac(0.js@197)
	at Unknown.Xac(0.js@488)
	at Unknown.p9b(0.js@1159)
	at Unknown.n9b(0.js@248)
	at Unknown.Zlc(0.js@5557)
	at Unknown.eval(0.js@102)
	at Unknown.hl(0.js@29)
	at Unknown.nl(0.js@57)
	at Unknown.eval(0.js@45)
	at Unknown.an(http://localhost:1501/web/APP/PUBLISHED/public/js/vaadinPush.js@87653)
	at Unknown.W(http://localhost:1501/web/APP/PUBLISHED/public/js/vaadinPush.js@87521)
	at Unknown.w(http://localhost:1501/web/APP/PUBLISHED/public/js/vaadinPush.js@88666)
	at Unknown.au.onreadystatechange(http://localhost:1501/web/APP/PUBLISHED/public/js/vaadinPush.js@80222)
2

Hi, please make sure your browser isn’t using old, cached versions of the widgetset and vaadinPush.js.

3

You are right! Thanks a lot. There were some troubles with woidgetsets.