I discover a bug on ambari UI. On the host view, when the first host of the list do not contains any component, no hosts are displayed and the page stuck on the loading icon.
I solved the problem by removing that host from Ambari.
I'm using ambari 220.127.116.11
Thanks for reporting this. This looks like a bug and the work-around you have provided is the valid one till the bug is fixed.
View solution in original post
Thank you for reporting this issue. We have resolved this issue in https://issues.apache.org/jira/browse/AMBARI-15658 and the fix will be availabled in Ambari 2.4
Thank you for the fix.