摘要：
hadoop开发环境：window上eclipse+虚拟机的ubuntu13.04+hadoop-1.1.2+JDK1.7今天在eclipse上（eclipse在window上）运行hadoop example的worldcount程序出现： WARN mapred.JobClient: No job jar file set. User classes may not be found. See JobConf(Class) or JobConf#setJar(String). INFO mapred.JobClient: Task Id : attempt_201312271733... 阅读全文
