Some problems occurred recently... 2015-04-16T13:33:01Z: [QtDoc_5.4.2_Integration error] new build for QtDoc_5.4.2_Integration failed: 404 Not Found, occurred repeatedly. 2015-04-16T13:33:01Z: [QtDoc_5.4.2_Integration error] Suspending for investigation; to resume: kill -USR2 8029