java - 无法使用命令行选项 -DsocksProxyHost 运行 Java 程序

Question

当我使用命令行选项 -DsocksProxyHost 10.123.76.20 运行 Java 程序时，出现错误:

java.lang.NoClassDefFoundError: 10/123/76/20
Caused by: java.lang.ClassNotFoundException: 10.123.76.20
    at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
Could not find the main class: 10.123.76.20.  Program will exit.
Exception in thread "main" 

Answer 1

-D 应按如下方式使用:

-DsocksProxyHost=10.123.76.20