我使用IntelliJ构建了一个jar,正确设置了主类。NoClassDef运行罐子时发现
当我从命令行(Windows)运行“java -jar foo.jar”时,出现声称主文件丢失的异常。主类看起来类似:
package mypackage;
public class LockUtil {
public static void main(String[] args) {
...
,我发现了以下异常:
Exception in thread "main" java.lang.NoClassDefFoundError: mypackage/LockUtil
Caused by: java.lang.ClassNotFoundException: mypackage.LockUtil
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)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
Could not find the main class: mypackage.LockUtil. Program will exit.
清单文件包含:
Manifest-Version: 1.0
Created-By: IntelliJ IDEA
Main-Class: mypackage.LockUtil
而且罐子包含适当的目录结构.class文件。
对不起,这是一个错误张贴 - 实际包名是正确的,但...(我更新了问题) – ripper234 2009-07-02 15:11:55