Question

在我的maven项目中，我有1个主模块和2个模块。它只在我将两个模块添加到主pom.xml中的依赖项时进行编译和运行，否则会出现编译错误，而找不到反射库等。

我该如何解决这个问题？

powercontrol.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>
    <groupId>nl.nberlijn.powercontrol</groupId>
    <artifactId>powercontrol</artifactId>
    <packaging>pom</packaging>
    <version>1.0</version>
    <modules>
        <module>log</module>
        <module>kernel</module>
    </modules>
    <dependencies>
        <dependency>
            <groupId>nl.nberlijn.powercontrol</groupId>
            <artifactId>kernel</artifactId>
            <version>1.0</version>
        </dependency>
        <dependency>
            <groupId>nl.nberlijn.powercontrol</groupId>
            <artifactId>log</artifactId>
            <version>1.0</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.3</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

kernel.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>nl.nberlijn.powercontrol</groupId>
        <artifactId>powercontrol</artifactId>
        <version>1.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>kernel</artifactId>
    <packaging>jar</packaging>
    <dependencies>
        <dependency>
            <groupId>org.reflections</groupId>
            <artifactId>reflections</artifactId>
            <version>0.9.10</version>
        </dependency>
        <dependency>
            <groupId>com.jcraft</groupId>
            <artifactId>jsch</artifactId>
            <version>0.1.53</version>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.3</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

log.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>nl.nberlijn.powercontrol</groupId>
        <artifactId>powercontrol</artifactId>
        <version>1.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>
    <artifactId>log</artifactId>
    <packaging>jar</packaging>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.3</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

Answer 1

如果没有关于每个模块内部代码的更多详细信息，很难说为什么会这样。但是，通过将两个模块作为依赖项放在父POM中，它们及其传递依赖项将由两个子模块继承。

我认为您应该可以通过从父POM中删除依赖项来解决此问题，并向log POM添加依赖项以依赖于kernel模块。

Intellij的Maven父母和孩子

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