Eclipse hot deploys web projects through tomcat

Reference link: https://blog.csdn.net/zhang854429783/article/details/50086923
The steps are as follows:
1. Expand "Server Options", check "Serve modules without publishing" option
2. Expand "publishing", check " "Automatically publish when resources change" option
3. Click the "Modules" tab to ensure that "Auto Reload" is disabled
4. Start tomcat in DEBUG mode, hot deployment is only available in DEBUG mode
In addition , hot deployment is supported: jrebel, you can apply for a trial at https://my.jrebel.com , but unfortunately does not support JDK1.8, only the above method