我根据这篇文章在 Ubuntu 12.04 LTS 中部署了 Hadoop 2.2.0：http ://codesfusion.blogspot.com/2013/10/setup-hadoop-2x-220-on-ubuntu.html?m=1
一切都很好，除了当我在最后一步尝试运行 Hadoop 示例时，它暂停并显示消息 Job Running
13/11/24 23:36:30 INFO Configuration.deprecation: mapred.output.key.class is deprecated. Instead, use mapreduce.job.output.key.class
13/11/24 23:36:30 INFO Configuration.deprecation: mapred.working.dir is deprecated. Instead, use mapreduce.job.working.dir
13/11/24 23:36:31 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1385310900376_0001
13/11/24 23:36:32 INFO impl.YarnClientImpl: Submitted application application_1385310900376_0001 to ResourceManager at master/192.168.56.1:8040
13/11/24 23:36:32 INFO mapreduce.Job: The url to track the job: http://master:8088/proxy/application_1385310900376_0001/
13/11/24 23:36:32 INFO mapreduce.Job: Running job: job_1385310900376_0001
在 ResourceManager Web GUI 中，我看到“App is Pending”。那么，我如何才能更改为运行状态？
截图： http: //farm8.staticflickr.com/7344/11031415055_d987e937aa_o.png
谢谢！:)