Hadoop运行Wordcount时遇到的问题

[hadoop@master ~]$ hadoop jar /usr/local/hadoop/share/hadoop/mapreduce/sources/hadoop-mapreduce-examples-2.5.1-sources.jar org.apache.hadoop.examples.WordCount input output2
14/11/01 14:45:38 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
14/11/01 14:45:39 INFO client.RMProxy: Connecting to ResourceManager at /0.0.0.0:8032
14/11/01 14:45:42 INFO input.FileInputFormat: Total input paths to process : 1
14/11/01 14:45:42 INFO mapreduce.JobSubmitter: number of splits:1
14/11/01 14:45:42 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1414824189617_0001
14/11/01 14:45:43 INFO impl.YarnClientImpl: Submitted application application_1414824189617_0001
14/11/01 14:45:43 INFO mapreduce.Job: The url to track the job: http://localhost:8088/proxy/application_1414824189617_0001/
14/11/01 14:45:43 INFO mapreduce.Job: Running job: job_1414824189617_0001
14/11/01 14:45:48 INFO mapreduce.Job: Job job_1414824189617_0001 running in uber mode : false
14/11/01 14:45:48 INFO mapreduce.Job:  map 0% reduce 0%
14/11/01 14:45:48 INFO mapreduce.Job: Job job_1414824189617_0001 failed with state FAILED due to: Application application_1414824189617_0001 failed 2 times due to AM Container for appattempt_1414824189617_0001_000002 exited with  exitCode: -1000 due to: File file:/usr/local/hadoop/home/hadoop/tmp/nm-local-dir/usercache/hadoop/appcache/application_1414824189617_0001/home/hadoop/tmp/nm-local-dir/nmPrivate/container_1414824189617_0001_02_000001.tokens does not exist
.Failing this attempt.. Failing the application.
14/11/01 14:45:48 INFO mapreduce.Job: Counters: 0
复制代码

但是在Eclipse中运行正确，为什么？？
系统是RedHat，以前用Ubuntu时没遇到过

求别沉啊啊啊啊

把这个目录清空，或则你的环境重新初始化下，然后重启集群，然后运行程序。
file:/usr/local/hadoop/home/hadoop/tmp

这个是你的临时目录吧，看看权限是否够

file:/usr/local/hadoop/home/hadoop/tmp