1，jconsole，jdk原生带的。执行命令即可。
2，jvisualvm，也是jdk原生带的，执行命令即可。
VisualVM插件修复：
The VisualVM was migrated to Github so the plugins center is now Here
but to make it short what you need to do is
open VisualVM
open Tools -> Plugins -> Settings
on the right column ("Java VisualVM Plugins Center") click Edit
replace whatever you have there with : https://visualvm.github.io/uc/8u131/updates.xml.gz