1、maven执行jar没有主属性清单
把下面加入pom文件。
<build>
<finalName>项目名称</finalName><!-- 导出jar的名字 -->
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>3.2.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>{Mainclass}</mainClass>
<!-- 主类的位置,主类配置应为: -->
<!-- <mainClass>主类的全路径</mainClass> -->
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>