随笔分类 -  Hadoop

摘要：http://www.cnblogs.com/kaizhangzhang/p/3495438.html在win7下运行hadoop-1.1.2 worldcount代码的时候出现下面的错误，折腾了差不多一天的时间，才明白导致http://www.cnblogs.com/kaizhangzhang/p/3494753.html这个错误的原因，一下是错误的完整信息：eclipse显示：13/12/28 15:44:00 WARN mapred.JobClient: No job jar file set. User classes may not be found. See JobConf(Cla 阅读全文

摘要：转自：http://blog.csdn.net/shan9liang/article/details/9734693eclipse连接远程hadoop集群开发时报错Exception in thread "main" org.apache.hadoop.security.AccessControlException: Permission denied: user=d, access=WRITE, inode="data":zxg:supergroup:rwxr-xr-xat org.apache.hadoop.hdfs.server.namenode. 阅读全文