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mevan pom.xml常见问题

news 2026/5/12 2:28:06

本文介绍如何使用Maven进行项目打包，并通过配置maven-assembly-plugin和maven-shade-plugin添加依赖及主类。针对打包过程中出现的签名错误问题，提供了具体的解决方案，包括排除不必要的文件和手动添加主类。
打包依赖，同时添加主类，使用 assembly:assembly打包
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>recommend.merge</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
</plugin>

使用package打包，同时加入依赖，指定主类
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<filters>
<filter>
<artifact>*:*</artifact>
<excludes>
<exclude>META-INF/*.SF</exclude>
<exclude>META-INF/*.DSA</exclude>
<exclude>META-INF/*.RSA</exclude>
</excludes>
</filter>
</filters>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>cal.hive</mainClass>
</transformer>
</transformers>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>

报错
Missing artifact jdk.tools:jdk.tools:jar:1.7

<dependency>
<groupId>jdk.tools</groupId>
<artifactId>jdk.tools</artifactId>
<version>1.7</version>
<scope>system</scope>
<systemPath>${JAVA_HOME}/lib/tools.jar</systemPath>
</dependency>

报错
java.lang.SecurityException: Invalid signature file digest for Manifest main attributes

由于某些包的重复引用，以至于打包之后的META-INF的目录下多出了一些.SF,.DSA,*.RSA文件所致

主类可以在MANIFEST.MF文件中手动添加
MANIFEST.MF文件内容
Manifest-Version: 1.0
Archiver-Version: Plexus Archiver
Built-By: Administrator
Created-By: Apache Maven 3.3.9
Build-Jdk: 1.8.0_131
Main-Class: cal.hive

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