Spring Boot多模块Spring-Boot-maven-plugin编译失败
我有一个使用Maven和Spring Boot的多模块项目。
我的主要pom.xml：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi-parent</artifactId>
<version>1.2-SNAPSHOT</version>
<relativePath/>
</parent>
<artifactId>kazi</artifactId>
<version>0.1-SNAPSHOT</version>
<packaging>pom</packaging>
<modules>
<module>kazi-core</module>
<module>kazi-api</module>
<module>kazi-service</module>
</modules>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<mainClass>com.kazi.Application</mainClass>
</configuration>
</plugin>
</plugins>
</build>
</project>
依赖于另一个模块的第一个模块生成失败：
[INFO] kazi ............................................... SUCCESS [ 2.186 s]
[INFO] kazi-core .......................................... SUCCESS [ 4.640 s]
[INFO] kazi-api ........................................... FAILURE [ 1.415 s]
[INFO] kazi-service ....................................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 8.869 s
[INFO] Finished at: 2022-01-24T12:21:48+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project kazi-api: Compilation failure: Compilation failure:
[ERROR] /../RegistrationRepository.java:[3,30] package com.kazi.core.entities does not exist
[ERROR] /../RegistrationRepository.java:[6,63] cannot find symbol
[ERROR] symbol: class Registration
kazi-core是不依赖于另一个模块的模块，kazi-api依赖于kazi-core，kazi-service依赖于kazi-api
core pom.xml：
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi</artifactId>
<version>0.1-SNAPSHOT</version>
</parent>
<artifactId>kazi-core</artifactId>
<version>${parent.version}</version>
<packaging>jar</packaging>
<name>kazi-core</name>
<url>http://maven.apache.org</url>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.liquibase</groupId>
<artifactId>liquibase-core</artifactId>
</dependency>
<dependency>
<groupId>org.liquibase</groupId>
<artifactId>liquibase-maven-plugin</artifactId>
<version>3.8.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-jaxb-annotations</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
Kazi-API pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi</artifactId>
<version>0.1-SNAPSHOT</version>
</parent>
<artifactId>kazi-api</artifactId>
<version>${project.parent.version}</version>
<packaging>jar</packaging>
<name>kazi-api</name>
<url>http://maven.apache.org</url>
<properties>
<java.version>11</java.version>
<org.mapstruct.version>1.4.2.Final</org.mapstruct.version>
</properties>
<dependencies>
<dependency>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi-core</artifactId>
<version>${project.version}</version>
<exclusions>
<exclusion>
<groupId>org.liquibase</groupId>
<artifactId>liquibase-core</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct</artifactId>
<version>${org.mapstruct.version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>11</source>
<target>11</target>
<verbose>true</verbose>
<annotationProcessorPaths>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.16</version>
</path>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-mapstruct-binding</artifactId>
<version>0.2.0</version>
</path>
<path>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${org.mapstruct.version}</version>
</path>
</annotationProcessorPaths>
<compilerArgs>
<arg>-Amapstruct.suppressGeneratorTimestamp=true</arg>
<arg>-Amapstruct.defaultComponentModel=spring</arg>
</compilerArgs>
</configuration>
</plugin>
</plugins>
</build>
</project>
服务pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi</artifactId>
<version>0.1-SNAPSHOT</version>
</parent>
<artifactId>kazi-service</artifactId>
<version>${parent.version}</version>
<packaging>jar</packaging>
<name>kazi-service</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi-api</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
</project>
我的父母POM
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.emo.kazi</groupId>
<artifactId>kazi-parent</artifactId>
<version>1.2-SNAPSHOT</version>
<packaging>pom</packaging>
<properties>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- GrantedAuthority wird in kazi project bei Role verwendet -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.16</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-mapstruct-binding</artifactId>
<version>0.2.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>11</source>
<target>11</target>
<verbose>true</verbose>
</configuration>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-releases</id>
<url>https://repo.spring.io/libs-release</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-plugin-releases</id>
<url>https://repo.spring.io/plugins-release</url>
</pluginRepository>
</pluginRepositories>
</project>
当跳过spring-boot-maven-plugin时，它工作正常：
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
我的Application.class主类在核心模块中。
如何在多模块项目中使用spring-boot-maven-plugin。
解决方案
仅在有主类的模块中使用spring-boot-maven-plugin。
请勿在libs模块中使用该插件。
根据当前行为：当您在父POM文件中使用插件时，您会自动对每个嵌套模块应用此插件步骤。
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