Some problems occurred recently... 2015-04-17T10:30:52Z: [QtBase_5.4.2_Integration error] new build for QtBase_5.4.2_Integration failed: 404 Not Found, occurred repeatedly. 2015-04-17T10:30:52Z: [QtBase_5.4.2_Integration error] Suspending for investigation; to resume: kill -USR2 8029