27-172.16.10.16-1467200716990:blk_1074065552_324924 to 172.16.10.5:50010 got
java.net.NoRouteToHostException: 没有到主机的路由
at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717)
at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:531)
at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:495)
at org.apache.hadoop.hdfs.server.datanode.DataNode$DataTransfer.run(DataNode.java:2144)
at java.lang.Thread.run(Thread.java:745)
centos 7
sudo systemctl stop firewalld.service # 关闭
sudo systemctl disable firewalld.service # 关闭开机启动