How to solve the problem that Springboot hot deployment is invalid in Idea

1. Enable automatic make function of idea

1 - Enable Automake from the compiler

PRESS: CTRL SHIFT A

TYPE: make project automatically

PRESS: Enter

Enable Make Project automatically feature

##2 - Enable Automake when the application is running

PRESS: CTRL SHIFT A

#TYPE: Registry

Find the key compiler.automake.allow.when .app.running and enable it

Note: Restart your application now

Two steps:

1、CTRL SHIFT A --> Search make project automatically --> Select

2, CTRL SHIFT A --> Search Registry --> Find and select compiler.automake.allow.when. app.running

Of course, you need to add the spring development tool kit in pom.xml

<dependency>
      <groupid>org.springframework.boot</groupid>
      <artifactid>spring-boot-devtools</artifactid>
      <optional>true</optional> <!-- 这个需要为 true 热部署才有效 -->
      <scope>runtime</scope>
 </dependency>

Enable automatic compilation in IDEA:

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