mavenproject1-1.0-SNAPSHOT.jar中没有主清单属性——修改pom.xml

在Netbeans IDE 13 中, 使用Maven所生成的JAR包默认是不可以直接执行的,通过命令行运行JAR包时,报错:mavenproject1-1.0-SNAPSHOT.jar中没有主清单属性,这是因为默认生成的MANIFEST.MF文件没有mainClass内容。
可通过修改pom.xml文件解决:

  1. 打开项目中,project Files中pom.xml
  2. 在文件中添加元素
  3. 其中<mainClass>com.mycompany.mavenproject1.Mavenproject1</mainClass>内com.mycompany.mavenproject1.Mavenproject1为项目主类名称
<?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.mycompany</groupId>
    <artifactId>mavenproject1</artifactId>
    <version>1.0-SNAPSHOT</version>
    <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>
        <exec.mainClass>com.mycompany.mavenproject1.Mavenproject1</exec.mainClass>
    </properties>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-shade-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <transformers>
                        <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
                            <mainClass>com.mycompany.mavenproject1.Mavenproject1</mainClass>
                        </transformer>
                    </transformers>
                </configuration>
                <executions>
                    <execution>
                        <phase>package</phase>
                        <goals>
                            <goal>shade</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

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