Exception in thread "main" java.lang.NoClassDefFoundError解决

作者：笔触狂放9 | 2024-03-21 05:39:12

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exception in thread "main" java.lang.noclassdeffounderror

Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld (wrong name: org/xuwei/HelloWorld)

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)

at java.lang.ClassLoader.defineClass(ClassLoader.java:615)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) at java.net.URLClassLoader.access$000(URLClassLoader.java:58)

at java.net.URLClassLoader$1.run(URLClassLoader.java:197)

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: HelloWorld. Program will exit.

CLASSPATH= .;%JAVA_HOME%/lib/dt.jar;%JAVA_HOME%/lib/tools.jar

JAVA_HOME = C:/Program Files/Java/jdk1.5.0

PATH = %JAVA_HOME%/bin;%JAVA_HOME%/jre/bin

注意配置是否和以上一致，classpath配置错误可能出现以上错误

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