程序开过多线程,导致hadoop作业无法运行成功——Call to hadoop1:9000 failed on lo cal exception: java.io.IOException: Coul
hadoop集群中某一个节点有时候起不来,查看log日志,有如下错误:2015-03-0910:40:30,253ERRORorg.apache.hadoop.hdfs.server.datanode.DataNode:java.io.IOException:Calltohadoop1:9000failedonlocalexception:java.io.IOException:Couldn'ts