@Timothy Spann: do those Chrome console messages inspire any theories? @bob bza: did you ever find a cure for this? ... View more

I am having the same problem: Add Service is stuck at Loading screen. Ambari 2.4.1.0 on CentOS 7 with HDP 2.5. Tried at least six times. Once let the screen stay up for an hour. ---- Here are two excerpts from the Chrome browser dev tools console log: Status code 200: Success.vendor.js:17347 STATEMANAGER: Sending event 'navigateAway' to state root.main.dashboard.widgets.vendor.js:17347 STATEMANAGER: Sending event 'unroutePath' to state root.main.dashboard.widgets.vendor.js:17347 STATEMANAGER: Sending event 'unroutePath' to state root.main.dashboard.vendor.js:17347 STATEMANAGER: Sending event 'unroutePath' to state root.main.vendor.js:17347 STATEMANAGER: Sending event 'routePath' to state root.main.vendor.js:17584 STATEMANAGER: Entering root.main.adminvendor.js:17584 STATEMANAGER: Entering root.main.admin.stackAndUpgradevendor.js:17584 STATEMANAGER: Entering root.main.admin.stackAndUpgrade.indexvendor.js:17584 STATEMANAGER: Entering root.main.admin.stackAndUpgrade.servicesapp.js:53802 Status code 200: Success.app.js:14629 Uncaught TypeError: Cannot read property 'repository_versions' of undefined app.js:53805 Status code 202: Success for creation.app.js:54093 App.alertDefinitionSummaryMapper execution time: 65.480ms ---- and later, this: Status code 200: Success.vendor.js:17584 STATEMANAGER: Entering root.main.serviceAddapp.js: Status code 20053802: Success.vendor.js:17584 STATEMANAGER: Entering root.main.serviceAdd.step1app.js:53805 Status code 202: Success for creation.app.js:34025 Uncaught TypeError: Cannot read property 'repository_versions' of undefinedapp.js:53802 Status code 200: Success.app.js:178322 Ajax loading time: host.status.counters [/clusters/foxdata?fields=Clusters/health_report,Clusters/total_hosts,alerts_summary_hosts&minimal_re]: 1307.275ms ---- where both TypeError lines are red. Any help will be much appreciated. ... View more