There are cases where VisualVM is hang-up.

[Reproduce Procedure]

(1) Start VisualVM
(2) Menu, Select "Tool"->"Option"、then "option" dialogue window is
displayed.
(3) Select "Profiler" tab, push "Setting" , and "Setting Data Adjustment"
dialog window is displayed
(4) Select "Java8" as platform、and push "Adjustment" button, then
"Java Adjustment" dialogue window is displayed
(5) Input java command path for 8u92 or later versions, and push "OK" button.
Then, "Progress" dialogue window is displayed
(6) "Connecting Target VM" but not proceed to next step