./hadoop dsfadmin –report运行出错,哪位知道原因分享一下:
$ ./hadoop dsfadmin –report
java.lang.NoClassDefFoundError: dsfadmin
Caused by: java.lang.ClassNotFoundException: dsfadmin
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: dsfadmin. Program will exit.
Exception in thread "main"
$ ./hadoop dsfadmin –report
java.lang.NoClassDefFoundError: dsfadmin
Caused by: java.lang.ClassNotFoundException: dsfadmin
at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
Could not find the main class: dsfadmin. Program will exit.
Exception in thread "main"
本文记录了一次使用Hadoop命令时遇到的问题:执行 ./hadoopdsfadmin–report 命令时出现 java.lang.NoClassDefFoundError 错误,并附带了详细的错误堆栈跟踪信息。

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