我有:ubuntu-9.10-desktop-amd64 + NetBeans6.7.1
但是,如果我尝试添加包含以下内容的任何语句:
public static void main(String[] args) {
HttpClient client = new HttpClient();
}
Run Code Online (Sandbox Code Playgroud)编译得很好.
但是当我运行这个项目时,我收到以下错误:
***Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/logging/LogFactory
at org.apache.commons.httpclient.HttpClient.<clinit>(HttpClient.java:66)
at SimplestAppl.Main.main(Main.java:22)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory
at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
at java.lang.ClassLoader.loadClass(ClassLoader.java:319)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
at java.lang.ClassLoader.loadClass(ClassLoader.java:264)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:332)
... 2 more
Java Result: 1***
Run Code Online (Sandbox Code Playgroud)怎么了?
我试着下载"HttpClient 4.0(GA)".但结果是一样的.
mha*_*ler 14
你所经历的只是一个缺失的依赖.Java开发人员习惯于自己收集依赖项,尤其是.当涉及到日志框架时.下载commons-logging并将其添加到类路径中.与httpclient所需的所有其他依赖项一样.
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