解决spring-boot-configuration-processor对maven子模块不起作用

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

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";
}
原文地址:https://www.cnblogs.com/wandoupeas/p/spring-boot-configuration-processor-not-configured.html