I am using vaadin 8 with maven

Hi all,

using vaadin8 with maven , when i compile the widgetset i get below message
[INFO]
Search took 21ms
[INFO]

[INFO]
BUILD SUCCESS
[INFO]

[INFO]
Total time: 3.589 s
[INFO]
Finished at: 2018-06-06T11:39:22+05:30
[INFO]
Final Memory: 24M/1409M

but i cant run the application i am getting failed to load widgetset.nocache.js error