Webkit and Client Side Storage

[Jick]

I'm having the same issue. I get that exact error in the inspector. I can't figure it out... Could it be a bug in Qt? Because it works just fine in Safari.

[tihi]

I know it's been a while since this question was posted.. I had the same issue and there is very little information about this error around web.
Indeed, error happens when calling openDatabase within JS and I managed to eliminate it with

QWebSettings::globalSettings()->setOfflineStoragePath("/some/writable/path/here");

QWebSettings::globalSettings()->setOfflineStoragePath("/some/writable/path/here");

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