我正在努力与下面的代码。谁能帮我整理一下。

[cloudera@localhost ~]$ hadoop jar /usr/lib;

Exception in thread "main" java.io.IOException: Error opening job   jar:    /usr/lib
at org.apache.hadoop.util.RunJar.main(RunJar.java:135)
Caused by: java.util.zip.ZipException: error in opening zip file

at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:127)
at java.util.jar.JarFile.<init>(JarFile.java:135)
at java.util.jar.JarFile.<init>(JarFile.java:72)
at org.apache.hadoop.util.RunJar.main(RunJar.java:133)

[cloudera@localhost ~]$

我想在hadoop中运行wordcount示例jar，但它不允许使用inbuild jar
谢谢你，安布克。