core-site.xml配置：
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
fs.defaultFS
hdfs://s0:9000
io.file.buffer.size
131072
hadoop.tmp.dir
/home/moclick/hadoop/tmp
hdfs-site.xml配置：
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
dfs.namenode.secondary.http-address
s3:50090
dfs.replication
2
dfs.namenode.name.dir
file:/home/moclick/hadoop/hdfs/name
dfs.datanode.data.dir
file:/home/moclick/hadoop/hdfs/data
datanode节点异常信息：
2017-10-22 11:32:59,209 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Exception in secureMain
java.io.IOException: Incorrect configuration: namenode address dfs.namenode.servicerpc-address or dfs.namenode.rpc-address is not configured.
at org.apache.hadoop.hdfs.DFSUtil.getNNServiceRpcAddressesForCluster(DFSUtil.java:875)
at org.apache.hadoop.hdfs.server.datanode.BlockPoolManager.refreshNamenodes(BlockPoolManager.java:155)
at org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1129)
at org.apache.hadoop.hdfs.server.datanode.DataNode.(DataNode.java:429)
at org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2374)
at org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2261)
at org.apache.hadoop.hdfs.server.datanode.DataNode.createDataNode(DataNode.java:2308)
at org.apache.hadoop.hdfs.server.datanode.DataNode.secureMain(DataNode.java:2485)
at org.apache.hadoop.hdfs.server.datanode.DataNode.main(DataNode.java:2509)
2017-10-22 11:32:59,216 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2017-10-22 11:32:59,221 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at s1/192.168.1.111
************************************************************/
百度过方法了，实在找不到解决办法...望大佬帮忙看看~