hadoop2.7.0升级到2.7.1，版本升级
使用过程中，发现hadoop的YARN-3832的bug，2.6.0中已解决，但是2.7.0中又出现了这个bug。 15/09/28 10:22:34 INFO mapreduce.Job: Task Id : attempt_1443364253801_0310_m_000000_0, Status : FAILED Rename cannot overwrite non empty destination directory /data/hadoop/data/tmp/nm-local-dir/usercache/hadoop/filecache/60 java.io.IOException: Rename cannot overwrite non empty destination directory /data/hadoop/data/tmp/nm-local-dir/usercache/hadoop/filecache/60 at org.apache.hadoop.fs.AbstractFileSystem.renameInternal(AbstractFileSystem.java:735) at org.apache.hadoop.fs.FilterFs.renameInternal(FilterFs.java:236) at org.apache.hadoop