helloworld出NoClassDefFoundError错误,盼解决
1.操作
d:\eclipse\workspace\test\bin\org\company>java HelloWorld
2.源代码
就是一句HelloWorld
3.异常现象
Exception in thread "main" java.lang.NoClassDefFoundError: HelloWorld (wrong nam
e: org/company/HelloWorld)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:12
4)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$000(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)
4.环境变量
CLASSPATH:.;D:\jdk1.6\lib;D:\jdk1.6\jre\lib;D:\jdk1.6\lib\tools.jar;%ANT_HOME%\lib;D:\jdk1.6\jre\lib\ext
JAVA_HOME:D:\jdk1.6
Path:%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;C:\Program Files\Microsoft SQL Server\80\Tools\Binn\;C:\Program Files\Microsoft SQL Server\90\DTS\Binn\;C:\Program Files\Microsoft SQL Server\90\Tools\binn\;C:\Program Files\Microsoft SQL Server\90\Tools\Binn\VSShell\Common7\IDE\;C:\Program Files\Microsoft Visual Studio 8\Common7\IDE\PrivateAssemblies\;%JAVA_HOME%\bin;%JAVA_HOME%\jre\bin;%ANT_HOME%\bin