什么都不懂的小青蛙的博客 error='...' (errno=12) ./bin/hadoop jar ./myapp/WordCount.jar input output public class Dedup { //map将输入中的value复制到输出数据的key上,并直接输出 public static class Map extends Mapper{ private ...
Destiny_-Sky的博客File /input/MRJoin/data.txt._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1). There are 0 datanode(s) running and no node(s) are excluded in this operation.
不懂书童的博客[root@redhat111 mapreduce]# hadoop jar hadoop-mapreduce-examples-2.7.6.jar wordcount ~/input/data.txt ~/output/wc1131 18/11/30 22:04:16 INFO client.RMProxy: Connecting to ResourceManager at /172.17.61...