maven 重复依赖\冲突打包配置

使用vert.x官方提供的打包配置

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
    <maven-shade-plugin.version>3.2.4</maven-shade-plugin.version>
    <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
    <exec-maven-plugin.version>3.0.0</exec-maven-plugin.version>
    <vertx.version>4.0.2-SNAPSHOT</vertx.version>
    <junit-jupiter.version>5.7.0</junit-jupiter.version>
    <main.verticle>com.example.starter.MainVerticle</main.verticle>
    <launcher.class>io.vertx.core.Launcher</launcher.class>
  </properties>


<build>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>${maven-compiler-plugin.version}</version>
        <configuration>
          <release>11</release>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-shade-plugin</artifactId>
        <version>${maven-shade-plugin.version}</version>
        <executions>
          <execution>
            <phase>package</phase>
            <goals>
              <goal>shade</goal>
            </goals>
            <configuration>
              <transformers>
                <transformer
                  implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                  <manifestEntries>
                    <Main-Class>${launcher.class}</Main-Class>
                    <Main-Verticle>${main.verticle}</Main-Verticle>
                  </manifestEntries>
                </transformer>
                <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
              </transformers>
              <artifactSet>
              </artifactSet>
              <outputFile>${project.build.directory}/${project.artifactId}-${project.version}-fat.jar
              </outputFile>
            </configuration>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <artifactId>maven-surefire-plugin</artifactId>
        <version>${maven-surefire-plugin.version}</version>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>exec-maven-plugin</artifactId>
        <version>${exec-maven-plugin.version}</version>
        <configuration>
          <mainClass>io.vertx.core.Launcher</mainClass>
          <arguments>
            <argument>run</argument>
            <argument>${main.verticle}</argument>
          </arguments>
        </configuration>
      </plugin>
    </plugins>
  </build>

  <repositories>
    <repository>
      <id>sonatype-oss-snapshots</id>
      <name>Sonatype OSSRH Snapshots</name>
      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
      <layout>default</layout>
      <releases>
        <enabled>false</enabled>
        <updatePolicy>never</updatePolicy>
      </releases>
      <snapshots>
        <enabled>true</enabled>
        <updatePolicy>never</updatePolicy>
      </snapshots>
    </repository>
  </repositories>

最近项目整合hadoop环境依赖,由于对hadoop组件不太熟悉,部分依赖互相覆盖,启动报错

Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
	at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:330)
	at sun.security.util.SignatureFileVerifier.process(SignatureFileVerifier.java:263)
	at java.util.jar.JarVerifier.processEntry(JarVerifier.java:318)
	at java.util.jar.JarVerifier.update(JarVerifier.java:230)
	at java.util.jar.JarFile.initializeVerifier(JarFile.java:383)
	at java.util.jar.JarFile.ensureInitialization(JarFile.java:617)
	at java.util.jar.JavaUtilJarAccessImpl.ensureInitialization(JavaUtilJarAccessImpl.java:69)
	at sun.misc.URLClassPath$JarLoader$2.getManifest(URLClassPath.java:991)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:451)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)

因为包的重复引用会导致生成多个MF文件,添加maven-shade-plugin插件的过滤配置删除多余的MF文件.

<plugin>
    <artifactId>maven-shade-plugin</artifactId>
    <version>${maven-shade-plugin.version}</version>
    <executions>
        <execution>
            <.....其他配置....>
            <configuration>
                <filters>
                    <filter>
                        <artifact>*:*</artifact>
                        <excludes>
                            <exclude>META-INF/*.SF</exclude>
                            <exclude>META-INF/*.DSA</exclude>
                            <exclude>META-INF/*.RSA</exclude>
                        </excludes>
                    </filter>
                </filters>
                <...其他配置...>
            </configuration>
        </execution>
    </executions>
</plugin>