为什么我的Maven阴影无法执行“ MVN软件包”

Question

我正在尝试创建具有所有依赖项的Jar文件。 当我使用OneJar时，它可以工作，但是尽管遵循了maven文档中给出的说明，但我无法使其与Maven Shade Jar一起工作。随附的pom xml是否正确？

我已经可以使用One Jar。 但是，“手动配置”或“阴影插件”均无效。它只是用我的已编译类创建一个Jar文件，而没有依赖项。

<?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>com.contacts.api.app</groupId>
  <artifactId>contacts-api</artifactId>
  <version>0.1.0-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>contacts-api</name>
  <!-- FIXME change it to the project's website -->
  <url>http://www.example.com</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <dropwizard.version>1.3.12</dropwizard.version>
    <metrics.version>4.0.5</metrics.version>
  </properties>

  <dependencies>
    <dependency>
      <groupId>org.junit.jupiter</groupId>
      <artifactId>junit-jupiter-engine</artifactId>
      <version>5.4.2</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>io.dropwizard</groupId>
      <artifactId>dropwizard-core</artifactId>
      <version>${dropwizard.version}</version>
    </dependency>
    <dependency>
      <groupId>ru.vyarus</groupId>
      <artifactId>dropwizard-guicey</artifactId>
      <version>4.2.2</version>
    </dependency>
    <!--
        <dependency>
          <groupId>io.dropwizard.metrics</groupId>
          <artifactId>metrics-core</artifactId>
          <version>${metrics.version}</version>
        </dependency>
    -->
  </dependencies>
  <build>
    <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
      <plugins>
        <!-- clean lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#clean_Lifecycle -->
        <plugin>
          <artifactId>maven-clean-plugin</artifactId>
          <version>3.1.0</version>
        </plugin>
        <!-- default lifecycle, jar packaging: see https://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_jar_packaging -->
        <plugin>
          <artifactId>maven-resources-plugin</artifactId>
          <version>3.0.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.8.1</version>
          <configuration>
            <source>8</source>
            <target>8</target>
          </configuration>
        </plugin>
        <plugin>
          <artifactId>maven-surefire-plugin</artifactId>
          <version>2.22.1</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-dependency-plugin</artifactId>
        </plugin>
        <plugin>
          <artifactId>maven-install-plugin</artifactId>
          <version>2.5.2</version>
        </plugin>
        <plugin>
          <artifactId>maven-deploy-plugin</artifactId>
          <version>2.8.2</version>
        </plugin>
        <!-- site lifecycle, see https://maven.apache.org/ref/current/maven-core/lifecycles.html#site_Lifecycle -->
        <plugin>
          <artifactId>maven-site-plugin</artifactId>
          <version>3.7.1</version>
        </plugin>
        <plugin>
          <artifactId>maven-project-info-reports-plugin</artifactId>
          <version>3.0.0</version>
        </plugin>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-shade-plugin</artifactId>
          <version>3.1.0</version>
          <configuration>
            <shadedArtifactAttached>true</shadedArtifactAttached>
            <transformers>
              <transformer implementation=
                "org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                <mainClass>
                  com.contacts.api.app.ContactsApp
                </mainClass>
              </transformer>
            </transformers>
            <archive>
              <manifest>
                <mainClass>
                  com.contacts.api.app.ContactsApp
                </mainClass>
              </manifest>
            </archive>
          </configuration>
          <executions>
            <execution>
              <phase>package</phase>
              <goals>
                <goal>shade</goal>
              </goals>
            </execution>
          </executions>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
</project>

我已经尝试过这个“ mvn org.apache.maven.plugins：maven-shade-plugin：shade” 但是它失败了，需要做一个“ MVN包”