从命令提示符处执行带有多个类路径库的jar文件 [英] Execute jar file with multiple classpath libraries from command prompt

问题描述

我有一个Maven项目，它生成一个jar文件并将所有依赖项复制到 target / lib 文件夹。我想在客户端的机器（windows）上执行这个项目。所以，我将 myproject.jar 复制到 C：\ xxz 文件夹以及所有依赖关系 C：\ xyz \ lib 文件夹。如何从客户端的命令提示符执行此项目？
我试图使用 java -cp lib\ * .jar -jar myproject.jar 来自 C：\ xyz 文件夹，但它会抛出以下错误。

I have a Maven project which generates a jar file and copies all dependencies to target/lib folder. I want to execute this project on client's machine (windows). So, I copied myproject.jar to C:\xyz folder and all dependencies to C:\xyz\lib folder. How do I execute this project from client's command prompt? I tried to use java -cp lib\*.jar -jar myproject.jar from C:\xyz folder but it throws following error.

Exception in thread "main" java.lang.NoClassDefFoundError: lib\commons-codec-1/3/jar
Caused by: java.lang.ClassNotFoundException: lib\commons-codec-1.3.jar
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: lib\commons-codec-1.3.jar.  Program will exit.

我想如果我在classpath中指定所有依赖项（比如 java -cp lib \ dep1.jar; dep2.jar ），它将解决问题，但我不想这样做，因为我已经有40个库，它可能会在未来的版本中增长。有没有更好的方法呢？

I think if I specify all dependencies in classpath (like java -cp lib\dep1.jar;dep2.jar), it will get rid of the problem but I don't want to do this as I have 40 libraries already and it might grow in future releases. Is there a better way to do this?

推荐答案

让maven生成一个批处理文件来启动你的应用程序。这是最简单的方法。

Let maven generate a batch file to start your application. This is the simplest way to this.

你可以使用 appassembler-maven-plugin 用于此类目的。

You can use the appassembler-maven-plugin for such purposes.

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