解决springboot configuration processor对maven子模块不起作用的问题

环境
idea 2021.1
maven 3.6.1
springboot 2.3.10.RELEASED

问题:

 spring boot configuration annotation processor not configured

单模块maven项目

在pom内添加以下依赖即可消除警告

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-configuration-processor</artifactId>
    <optional>true</optional>
</dependency>

多模块且喊子模块maven项目

在父module的pom内添加以下依赖

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-configuration-processor</artifactId>
    <!-- <optional>true</optional> 不注释掉子模块无法引用到此依赖 -->
</dependency>

然后在maven-compiler-plugin内的annotationProcessorPaths中添加相应path

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.8.1</version>
            <configuration>
                <target>${maven.compiler.target}</target>
                <source>${maven.compiler.source}</source>
                <encoding>UTF-8</encoding>
                <annotationProcessorPaths>
                    <path>
                        <groupId>org.springframework.boot</groupId>
                        <artifactId>spring-boot-configuration-processor</artifactId>
                        <version>${spring-boot.version}</version>
                    </path>
                </annotationProcessorPaths>
            </configuration>
        </plugin>
    </plugins>
</build>

这样就能消除警告啦，至于自定义yml或properties的内容快捷提示且能跳转相应配置类，可以看如下简单demo

demo

application.yml

my:
  a:
    name: lisi
    age: 11
    person:
      age: 12
      name: zhangsan

MyConfig.java

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * <p>
 *     demo
 * </p>
 *
 * @author wandoupeas
 * @date 2021-09-16 11:48 上午
 */
@Data
@Component
@ConfigurationProperties(prefix = "my.a")
public class MyConfig {
    private String name;
    private String age;
    private MyConfigName person;
}

MyConfigName.java

import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;

/**
 * <p>
 *     demo
 * </p>
 *
 * @author wandoupeas
 * @date 2021-09-16 11:48 上午
 */
@Data
@Component
@ConfigurationProperties(prefix = "my.a.person")
public class MyConfigName {
    private String name = "zhangsan";

    private String age = "123";
}

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原文链接：https://www.cnblogs.com/wandoupeas/p/spring-boot-configuration-processor-not-configured.html