Hi everyone, in ovirt-engine master branch, it's now possible [1] to use GWT Super Dev Mode [2] to debug oVirt web applications (WebAdmin, UserPortal): [1] https://gerrit.ovirt.org/#/c/50742/ [2] http://www.gwtproject.org/articles/superdevmode.html Please refer to commit msg [1] for details on GWT Super Dev Mode. In general, SDM is good for "iterative" development when one changes UI code and wants to see the change reflected in browser very quickly (compared to existing GWT debug mechanism, aka Classic Dev Mode). On the other hand, SDM does *not* allow using Java IDE to debug UI code, so one has to rely on browser's JavaScript developer tools. Existing (Java IDE based) debug mechanism still works as expected, the Super Dev Mode is just an alternative. Note on SDM usage by Scott: it's almost easier to run in Chrome's incognito mode so cached JS and mapped sources aren't an issue. Regards, Vojtech