SpringBoot多模块打包，程序包com.abbott.common.controller不存在

Question

父pom.xml

<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/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.web</groupId>
    <artifactId>abbott_admin</artifactId>
    <packaging>pom</packaging>
    <version>1.0</version>
    <name>ABBOTT 后台管理系统</name>
    <url>http://maven.apache.org</url>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.0.RELEASE</version>
    </parent>

    <!-- 注意：加入子模块 -->
    <modules>
        <module>abbott-common</module>
        <module>abbott-generator</module>
        <module>abbott-system</module>
    </modules>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <log4jdbc.version>1.16</log4jdbc.version>
        <swagger.version>2.9.2</swagger.version>
        <fastjson.version>1.2.70</fastjson.version>
        <druid.version>1.1.22</druid.version>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <!-- 提供了web模块的依赖  -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!-- Spring boot websocket -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-websocket</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
        </dependency>
        <!-- 热部署  -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <scope>provided</scope>
            <optional>true</optional>
        </dependency>
        <!-- fastjson -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>${fastjson.version}</version>
        </dependency>
        <!--mysql数据库驱动-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
        </dependency>
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>3.11</version>
        </dependency>
        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>org.xmlunit</groupId>
            <artifactId>xmlunit-core</artifactId>
        </dependency>
    </dependencies>

    <!--将这段放开，并指定入口，则打jar包，如果注释这一段，并在子项目web中将<packaging>jar</packaging>改成war,则打成war包-->
    <build>
        <plugins>
            <plugin>
                <!-- The plugin rewrites your manifest -->
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>1.3.0.RELEASE</version>
                <configuration><!-- 指定该Main Class为全局的唯一入口 -->
                    <mainClass>cn.ExamplesApplication</mainClass>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal><!--可以把依赖的包都打包到生成的Jar包中-->
                        </goals>
                        <!--可以生成不含依赖包的不可执行Jar包-->
                        <!-- configuration>
                          <classifier>exec</classifier>
                        </configuration> -->
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>

子模块abbott-system的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">
    <parent>
        <groupId>com.web</groupId>
        <artifactId>abbott_admin</artifactId>
        <version>1.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>abbott-system</artifactId>
    <name>system</name>
    <!--指定为jar包，如果想指定为war包，则改为war包-->


    <properties>
        <jna.version>5.6.0</jna.version>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <!-- 加入common依赖 -->
        <dependency>
            <groupId>com.web</groupId>
            <artifactId>abbott-common</artifactId>
            <version>1.0</version>
        </dependency>


        <!--数据库相关配置-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>
        
    </dependencies>

    <!--让多模块化拆分之后还能打成完整的可执行jar包-->

</project>

子模块abbott-common

<?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">
    <parent>
        <groupId>com.web</groupId>
        <artifactId>abbott_admin</artifactId>
        <version>1.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>abbott-common</artifactId>
    <name>common</name>

    <properties>
        <jna.version>5.6.0</jna.version>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <!-- 代码生成模块 -->
        <!--<dependency>-->
            <!--<groupId>com.web</groupId>-->
            <!--<artifactId>abbott-generator</artifactId>-->
            <!--<version>1.0</version>-->
        <!--</dependency>-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
    </dependencies>


    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <classifier>exec</classifier>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

Answer 1

把子项目的plugin去掉，否则maven会自动在子项目的类的包名前加上BOOT-INF.classes.,你可以反编译看看是不是