Spring Boot Hot Reload

automake

Last, press `SHIFT+CTRL+A` for Linux/Windows users or `Command+SHIFT+A` for Mac users  

then type `registry` in the opened pop-up window  

Scroll down to Registry... using the `down arrow key` and hit `ENTER` on `Registry....` 

In the Registry window verify the option `compiler.automake.allow.when.app.running` is checked.

Build Option

Second, verify that the option check-box 

``` 
File->Setting –> Build, Execution, Deployment –> Compiler–>Build project automatically
```

is selected.

pom.xml

  <!-- hot swapping, disable cache for template, enable live reload -->
  <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-devtools</artifactId>
      <optional>true</optional>
  </dependency>

reference

https://www.mkyong.com/spring-boot/intellij-idea-spring-boot-template-reload-is-not-working/