I´ve noticed sometimes the public views don´t render properly - background image and components don´t load, and all we get is the small "block" image in the place of each component (at least they are layed out at correct positions, but don´t actually "show" anything).
This only happens at public views... everything works OK when normally loggin in and going to the graphical views.
This is very random and unfortunately, difficult to reproduce. Reloading sometimes does the trick to fix it. One user reported it is related to the computer going to "sleep" or "hibernate" modes, and then coming back to operation, but I´ve personally seen Firefox with this same behavior, with no sleeping/hibernating involved.
Has anyone had a similar experience? Any idea of how to debug this, or what technology could be causing this? (jsp, dwr/ajax...)?