Maven - 无法执行 JAR [英] Maven - Can't Execute JAR
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问题描述
构建示例 mvn 项目后,我添加了我的 org.restlet
依赖项 &Java代码.
After building a sample mvn project, I added my org.restlet
dependencies & Java code.
然后,我通过 mvn install
成功构建了我的 JAR.最后,我在尝试运行 JAR 时遇到了错误.
Then, I successfully built my JAR via mvn install
. Finally, I ran into an error when trying to run the JAR.
vagrant$ java -jar target/my-app-1.0-SNAPSHOT.jar
Failed to load Main-Class manifest attribute from
target/my-app-1.0-SNAPSHOT.jar
推荐答案
您需要使用 maven-jar-plugin
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>com.someclass.Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
取自此处.
编辑
如果你想用依赖打包生成的jar,你可以使用这个
If you want to package the resulting jar with dependencies you can use this
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>fully.qualified.MainClass</mainClass>
</manifest>
</archive>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
取自此处.
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