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'Error' message popping up sporadically

Question asked by chrisx_212 on Sep 23, 2016
Latest reply on Sep 23, 2016 by chrisx_212

When I'm going around with Activiti6, I have this strange occurence that sometimes, the message 'error' pops up, but nothing happened. It's just like calling "alert("error");" in Javascript. What I find is just this line at /main/webapp/display/displaymodel.js

request.error(function(jqXHR, textStatus, errorThrown) {

Is it OK if I just comment it? Would it affect the usage of the site? And what is the cause of this to happen?

Also, if I inspect the site, sometimes it catches out some 'cache' errors in jquery and angularjs files, but it doesn't overall ruin the performance. But we still want that error removed. How do we do that?

Thanks. Help will be much appreciated in this.