Vaadin (Maven) Liferay

Hello,

I’m currently developing vaadin portlets for Liferay 6.2. After deploying my portlets on my local test server, they are very slow. The server seems to load after each UI interaction even without a direct request (refer attachement - test portlet). I don’t understand this behvaior can somebody explain to me what I’m missing or what may cause this?

Best regards,
Simon.

@Edit: After taking a look at firebug I got the following error. This error occurs, if I input only one value into my test portlet (refer attachement), the other value is by default null.

Tue Dec 30 10:54:27 GMT+100 2014 com.vaadin.client.VConsole
SEVERE: Exception caught: (TypeError) : coords is undefinedcom.google.gwt.event.shared.UmbrellaException: Exception caught: (TypeError) : coords is undefined
    at Unknown.Cg(http://localhost:8080/web/guest/d3)
    at Unknown.Lg(http://localhost:8080/web/guest/d3)
    at Unknown.Cx(http://localhost:8080/web/guest/d3)
    at Unknown.Fx(http://localhost:8080/web/guest/d3)
    at Unknown.ax(http://localhost:8080/web/guest/d3)
    at Unknown.Azb(http://localhost:8080/web/guest/d3)
    at Unknown.Ozb(http://localhost:8080/web/guest/d3)
    at Unknown.Cwb(http://localhost:8080/web/guest/d3)
    at Unknown.wwb(http://localhost:8080/web/guest/d3)
    at Unknown.Kwb(http://localhost:8080/web/guest/d3)
    at Unknown.mub(http://localhost:8080/web/guest/d3)
    at Unknown.Tvb(http://localhost:8080/web/guest/d3)
    at Unknown.Wvb(http://localhost:8080/web/guest/d3)
    at Unknown.VBb(http://localhost:8080/web/guest/d3)
    at Unknown.hCb(http://localhost:8080/web/guest/d3)
    at Unknown.onload<(http://localhost:8080/web/guest/d3)
    at Unknown.ii(http://localhost:8080/web/guest/d3)
    at Unknown.li(http://localhost:8080/web/guest/d3)
    at Unknown.ki/<(http://localhost:8080/web/guest/d3)
    at Unknown.anonymous(Unknown)
Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError) : coords is undefined
    at Unknown.w9(http://localhost:8080/web/guest/d3)
    at Unknown.jx(http://localhost:8080/web/guest/d3)
    at Unknown.ax(http://localhost:8080/web/guest/d3)
    at Unknown.Azb(http://localhost:8080/web/guest/d3)
    at Unknown.Ozb(http://localhost:8080/web/guest/d3)
    at Unknown.Cwb(http://localhost:8080/web/guest/d3)
    at Unknown.wwb(http://localhost:8080/web/guest/d3)
    at Unknown.Kwb(http://localhost:8080/web/guest/d3)
    at Unknown.mub(http://localhost:8080/web/guest/d3)
    at Unknown.Tvb(http://localhost:8080/web/guest/d3)
    at Unknown.Wvb(http://localhost:8080/web/guest/d3)
    at Unknown.VBb(http://localhost:8080/web/guest/d3)
    at Unknown.hCb(http://localhost:8080/web/guest/d3)
    at Unknown.onload<(http://localhost:8080/web/guest/d3)
    at Unknown.ii(http://localhost:8080/web/guest/d3)
    at Unknown.li(http://localhost:8080/web/guest/d3)
    at Unknown.ki/<(http://localhost:8080/web/guest/d3)
    at Unknown.anonymous(Unknown)

http://localhost:8080/web/guest/d3
Line 0

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