namenode启动不起来

来源：3-11 HDFS格式化以及启动详解

qq_醉潇洒_0

2019-03-17

2019-03-17 14:45:42,137 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
java.net.BindException: Problem binding to [39.108.168.100:8020] java.net.BindException: Cannot assign requested address; For more details see: http://wiki.apache.org/hadoop/BindException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:791)
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:720)
at org.apache.hadoop.ipc.Server.bind(Server.java:522)
at org.apache.hadoop.ipc.Server $L i s t e n e r . < i n i t > (S e r v e r . j a v a : 728) a t o r g . a p a c h e . h a d o o p . i p c . S e r v e r . < i n i t > (S e r v e r . j a v a : 2449) a t o r g . a p a c h e . h a d o o p . i p c . R P C$ Server.(RPC.java:1042)
at org.apache.hadoop.ipc.ProtobufRpcEngine $S e r v e r . < i n i t > (P r o t o b u f R p c E n g i n e . j a v a : 535) a t o r g . a p a c h e . h a d o o p . i p c . P r o t o b u f R p c E n g i n e . g e t S e r v e r (P r o t o b u f R p c E n g i n e . j a v a : 510) a t o r g . a p a c h e . h a d o o p . i p c . R P C$ Builder.build(RPC.java:887)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.(NameNodeRpcServer.java:355)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:701)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:678)
at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:844)
at org.apache.hadoop.hdfs.server.namenode.NameNode.(NameNode.java:823)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1547)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1615)
Caused by: java.net.BindException: Cannot assign requested address
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:433)
at sun.nio.ch.Net.bind(Net.java:425)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.apache.hadoop.ipc.Server.bind(Server.java:505)
… 13 more