Intellij idea 每次debug时卡在 "Finished, saving caches"

Intellij idea 每次debug时卡在 "Finished, saving caches"。

"File → Invalidate Caches / Restart" 没有效果。

改/etc/hosts:

127.0.0.1       localhost     .local
::1             localhost     .local

参考：https://stackoverflow.com/questions/30625785/intellij-freezes-for-about-30-seconds-before-debugging