摘要：
hadoop@ubuntu:~/hadoop-0.20.2/bin$ ./hadoop jar ~/finger.jar Finger kaoqin output出现的错误：11/10/14 13:52:07 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same.11/10/14 13:52:07 WARN mapred.JobClient: No job jar file set. User class 阅读全文
