SpringBoot多模块项目打包问题

项目结构图如下：　

　　　 SpringBoot多模块项目打包问题

在SpringBoot多模块项目打包时遇见如下错误：

1、repackage failed: Unable to find main class -> [Help 1]

解决步骤：

　　（1）删除父pom中的build标签

　　（2）在web模块的pom中配置，指定启动类，其他模块中不需要配置：

　　<build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

                <configuration>

                    <mainClass>com.dh.yjt.SpringBootDemo.SpringBootDemoApplication</mainClass>

                </configuration>

            </plugin>

        </plugins>

    </build>

2、[ERROR] /xxx.java:[16,39] 程序包com.xx..xxx不存在

　　解决办法：删除其他模块中的build标签

3、springboot打包与配置文件外置

　　https://blog.****.net/pei19890521/article/details/80984707

　　最终pom及package文件如下：

<?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>

        <artifactId>SpringBootDemo</artifactId>

        <groupId>com.dh.yjt</groupId>

        <version>0.0.1-SNAPSHOT</version>

    </parent>

    <modelVersion>4.0.0</modelVersion>

    <artifactId>mySystem-web</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <packaging>jar</packaging>

    <name>mySystem-web Maven Webapp</name>

    <url>http://127.0.0.1/com.dh.yjt.SpringBootDemo.domain.index</url>

    <properties>

        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

        <maven.compiler.source>1.8</maven.compiler.source>

        <maven.compiler.target>1.8</maven.compiler.target>

    </properties>

    <dependencies>

        <dependency>

            <groupId>junit</groupId>

            <artifactId>junit</artifactId>

            <version>4.12</version>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>com.dh.yjt</groupId>

            <artifactId>mySystem-config</artifactId>

            <version>0.0.1-SNAPSHOT</version>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>com.dh.yjt</groupId>

            <artifactId>mySystem-dao</artifactId>

            <version>0.0.1-SNAPSHOT</version>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>com.dh.yjt</groupId>

            <artifactId>mySystem-common</artifactId>

            <version>0.0.1-SNAPSHOT</version>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>com.dh.yjt</groupId>

            <artifactId>mySystem-service</artifactId>

            <version>0.0.1-SNAPSHOT</version>

            <scope>compile</scope>

        </dependency>

        <dependency>

            <groupId>com.dh.yjt</groupId>

            <artifactId>mySystem-domain</artifactId>

            <version>0.0.1-SNAPSHOT</version>

            <scope>compile</scope>

        </dependency>

        <!-- xml配置 -->

        <dependency>

            <groupId>com.fasterxml.jackson.dataformat</groupId>

            <artifactId>jackson-dataformat-xml</artifactId>

        </dependency>

        <dependency>

            <groupId>com.jd.jmq</groupId>

            <artifactId>jmq-model</artifactId>

            <version>2.1.4</version>

            <scope>test</scope>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-jar-plugin</artifactId>

                <configuration>

                    <archive>

                        <manifest>

                            <addClasspath>true</addClasspath>

                            <mainClass>com.dh.yjt.SpringBootDemo.SpringBootDemoApplication</mainClass>

                        </manifest>

                    </archive>

                </configuration>

            </plugin>

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-assembly-plugin</artifactId>

                <configuration>

                    <descriptors>

                        <descriptor>src/main/resources/package.xml</descriptor>

                    </descriptors>

                </configuration>

                <executions>

                    <execution>

                        <id>make-assembly</id>

                        <phase>package</phase>

                        <goals>

                            <goal>single</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

        </plugins>

    </build>

</project>

package.xml:

<?xml version="1.0" encoding="UTF-8"?>

<assembly

        xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3"

        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

        xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.3 http://maven.apache.org/xsd/assembly-1.1.3.xsd">

    <id>package</id>

    <formats>

        <format>tar.gz</format>

    </formats>

    <includeBaseDirectory>true</includeBaseDirectory>

    <fileSets>

        <fileSet>

            <directory>${project.basedir}</directory>

            <outputDirectory>/</outputDirectory>

            <includes>

                <include>*.sql</include>

                <include>*.bat</include>

                <include>*.md</include>

            </includes>

        </fileSet>

        <fileSet>

            <directory>${project.basedir}/src/main/resources/bin</directory>

            <outputDirectory>../</outputDirectory>

            <includes>

                <include>bin/*.sh</include>

                <include>*.sh</include>

            </includes>

        </fileSet>

        <fileSet>

            <directory>${project.basedir}/src/main/resources</directory>

            <outputDirectory>/conf</outputDirectory>

            <includes>

                <include>config/*.xml</include>

                <include>config/*.properties</include>

                <include>*.properties</include>

            </includes>

        </fileSet>

        <fileSet>

            <directory>${project.build.directory}</directory>

            <outputDirectory>/</outputDirectory>

            <includes>

                <include>*.jar</include>

            </includes>

        </fileSet>

    </fileSets>

</assembly>

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SpringBoot多模块项目打包问题

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