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WAB Dev Ed - Web console error with map service layer not turning on layers

Question asked by BahamutZ on Aug 13, 2018
Latest reply on Aug 14, 2018 by rscheitlin

I am running WAB Dev. Ed locally at the moment.   I never had the issue before, but all of a sudden I am currently running into an issue with a connected map REST service.  The map service loads fine into the layerlist and sometimes I can see the attributes and sometimes I cannot, but if I check the console, I get: 

LayerListView.js?wab_dv=2.8:584 Uncaught TypeError: Cannot read property 'ctrlKey' of undefined
at Object._onRowTrClick (LayerListView.js?wab_dv=2.8:584)
at init.js:63

at this location is the code that I never altered (bold line is where error occurs):

_onRowTrClick: function(layerInfo, imageShowLegendDiv, layerTrNode, subNode, evt) {
var fold = this._foldSwitch(layerInfo, imageShowLegendDiv, subNode);
if(evt.ctrlKey || evt.metaKey) {
if(layerInfo.isRootLayer()) {
} else {
this.foldOrUnfoldSameLevelLayers(layerInfo, fold);

If I click a layer on the application shows the loading symbol for a while and then a 500 (Internal Server Error) and a warning of a Cross-Origin Read Blocking (CORB) blocked cross-origin response.  The server is actually up and running though


Quite certain I never altered anything and it was working before sometime last week, so I am not sure if something changed automatically?