在执行hadoop jar /usr/local/hadoop/hadoop-example-1.0.4.jar wordcount data out时出现WARN mapred.JobClient: Error reading task outputhttp://ubuntu.ubuntu-domain:50060/tasklog?plaintext=true&taskid=attempt_201103151252_0001_m_000004_1&filter=stdout错误提示
解决方案:删除/usr/local/hadoop/logs/路径下的userlogs(Hadoop安装路径下的logs文件夹里面的userlogs)