我正在使用 Intellij Java 2016.2.2 和 Maven 创建一个非常简单的 Java 控制台应用程序.
I'm using Intellij Java 2016.2.2 and Maven to create a very simple Java console application.
我想添加一个外部库,所以我在 Maven 中添加我的依赖项,如下所示:
I want to add an external library, so I add my dependency in Maven like this:
<dependency>
<groupId>jline</groupId>
<artifactId>jline</artifactId>
<version>2.12</version>
</dependency>
当我在 IDE 中运行它时它运行良好,但在外部控制台中运行它却没有(我有以下错误:java.lang.NoClassDefFoundError).
It works fine when I run it in the IDE, but not in an external console (I have the following error: java.lang.NoClassDefFoundError).
我检查了,由于某种原因,我刚刚生成的 JAR 中没有添加外部 JAR.我也在文件 - >项目结构"中尝试了很多东西,但仍然无法正常工作......
I checked and for some reason, the external JAR is not added in the JAR I just generated. I also tried many things in "File -> Project Structure", but still not working...
我只想构建包含我的依赖项的 JAR,因此我可以使用以下命令在控制台中简单地运行我的应用程序:
I just want to build my JAR with my dependencies in it, so I can simply run my application in a console using:
java -jar myproject.jar
我该怎么做?感谢您的帮助!
How can I do that? Thanks for your help!
我终于设法用 Intellij Java 生成了这个 JAR,我是这样做的:
I finally managed to generate this JAR with Intellij Java, here is how I do:
编辑
一种更好(更简单)的方法是在 pom.xml 文件中添加以下行:
A better (and easier way) to do it is adding the following lines in the pom.xml file :
<build>
<plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<archive>
<manifest>
<mainClass>your.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>
</plugins>
</build>
然后使用clean"和package"maven 命令.
then use the "clean" and "package" maven commands.
上面的最后 3 个步骤(关于 MANIFEST.MF)似乎仍然是强制性的.
The last 3 steps above (about MANIFEST.MF) still seem to be mandatory.
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