我正在使用Hadoop上的PartialBuilder实现从ApacheMahout0.9(org.apache.mahout.classifier.df.mapreduce.BuildForest)运行一个示例,但无论我尝试什么,我都会遇到错误。错误是:14/12/1010:58:36INFOmapred.JobClient:Runningjob:job_201412091528_000414/12/1010:58:37INFOmapred.JobClient:map0%reduce0%14/12/1010:58:50INFOmapred.JobClient:map10%reduce