正在运行0个数据节点,并且此操作中不排除任何节点

我已经建立了一个多节点Hadoop集群.NameNode和Secondary namenode在同一台机器上运行,集群只有一个Datanode.所有节点都在Amazon EC2计算机上配置.

以下是主节点上的配置文件:

masters
54.68.218.192 (public IP of the master node)

slaves
54.68.169.62 (public IP of the slave node)

核心的site.xml

fs.default.name
hdfs://localhost:9000

mapred-site.xml中

mapreduce.framework.name
yarn

HDFS-site.xml中

dfs.replication
1


dfs.namenode.name.dir
file:/usr/local/hadoop_store/hdfs/namenode


dfs.datanode.name.dir
file:/usr/local/hadoop_store/hdfs/datanode

现在是datanode上的配置文件:

核心的site.xml

fs.default.name
hdfs://54.68.218.192:10001

mapred-site.xml中

mapred.job.tracker
54.68.218.192:10002

HDFS-site.xml中

dfs.replication
1


dfs.namenode.name.dir
file:/usr/local/hadoop_store/hdfs/namenode


dfs.datanode.name.dir
file:/usr/local/hadoop_store/hdfs/datanode

在Namenode上运行的jps给出以下内容:

5696 NameNode
6504 Jps
5905 SecondaryNameNode
6040 ResourceManager

和datanode上的jps:

2883 DataNode
3496 Jps
3381 NodeManager

对我来说似乎是对的.

现在,当我尝试运行put命令时:

hadoop fs -put count_inputfile /test/input/

它给了我以下错误:

put: File /count_inputfile._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.

datanode上的日志说明如下:

hadoop-datanode log
INFO org.apache.hadoop.ipc.Client: Retrying connect to server:      54.68.218.192/54.68.218.192:10001. Already tried 8 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)

yarn-nodemanager日志:

INFO org.apache.hadoop.ipc.Client: Retrying connect to server: 0.0.0.0/0.0.0.0:8031. Already tried 9 time(s); retry policy is RetryUpToMaximumCountWithFixedSleep(maxRetries=10, sleepTime=1000 MILLISECONDS)

节点管理器(50070)的Web UI显示有0个活动节点和0个死节点,并且使用的dfs是100%

我也禁用了IPV6.

在一些网站上我发现我也应该编辑该/etc/hosts文件.我也编辑了它们,它们看起来像这样:

127.0.0.1 localhost
172.31.25.151 ip-172-31-25-151.us-west-2.compute.internal
172.31.25.152 ip-172-31-25-152.us-west-2.compute.internal

为什么我仍然在犯这个错误？