eclipse hadoop 1.2.1 compile
eclipse how to work with hadoop
www.dataguru.cn/thread-288619-1-1.html
如果在使用eclipse调试程序的时候不幸遇到0700错误的话，
Exception in
thread "main"java.io.IOException:Failed to set permissions
ofpath:\tmp\hadoop-ysc\mapred\staging\ysc-2036315919\.staging to 0700
