When navigating in the topology map I get a bunch of exceptions in the browsers console.

Error: Invalid value for <g> attribute transform="translate(-NaN , -NaN) scale(Infinity)" topology:1

Error: Invalid value for <g> attribute transform="translate(NaN,NaN)scale(NaN)" topology:1

Error: Invalid value for <g> attribute transform="translate(-NaN , -NaN) scale(Infinity)" localhost:8980/opennms/topology#(10),(-2235,-1363,1895,1327),(-1288.0,-700.0),(BA8AF5F1),(44BC7884),(0),(EDC8E5FB):1

Thu Oct 16 12:55:37 GMT+200 2014 com.vaadin.client.VConsole
SEVERE: Could not determine ApplicationConnection for Overlay. Overlay will be attached directly to the root panel 0.js:6900IWb 0.js:6900

Thu Oct 16 10:44:33 GMT+200 2014 com.vaadin.client.VConsole
SEVERE: (TypeError) : Cannot read property 'style' of nullcom.google.gwt.core.client.JavaScriptException: (TypeError) : Cannot read property 'style' of null
at Unknown.Gqc(0.js@272)
at Unknown.qqc(0.js@408)
at Unknown.Eqc(0.js@150)
at Unknown.Qmc(0.js@619)
at Unknown.jlc(0.js@1161)
at Unknown.hlc(0.js@248)
at Unknown.zmc(0.js@12139)
at Unknown.uE(0.js@148)
at Unknown.XE(0.js@1811)
at Unknown.eval(0.js@65)
at Unknown.ql(0.js@29)
at Unknown.wl(0.js@57)
at Unknown.eval(0.js@45)