mahout并行化实现协同过滤报错

[sinat_41044555]

我的hadoop版本是2.7.3 mahout版本是0.13.0
2017-11-13 14:50:23,290 INFO [org.apache.hadoop.mapreduce.Job] - Job job_1510544823024_0005 failed with state FAILED due to: Application application_1510544823024_0005 failed 2 times due to ApplicationMaster for attempt appattempt_1510544823024_0005_000002 timed out. Failing the application.
2017-11-13 14:50:23,312 INFO [org.apache.hadoop.mapreduce.Job] - Counters: 0
Exception in thread "main" java.io.FileNotFoundException: File does not exist: /class/output/temp/rec001/preparePreferenceMatrix/numUsers.bin
at org.apache.hadoop.hdfs.server.namenode.INodeFile.valueOf(INodeFile.java:71)

希望有大神可以解答