namenode启动失败

Jeromeheng 2014-01-25 01:52:40

配置4台HDFS HA + YARN的集群后，启动NN1的namenode失败在logs中查看后发现有以下的问题：
2014-01-25 10:56:51,400 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system shutdown complete.
2014-01-25 10:56:51,402 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode join
java.net.BindException: Problem binding to [hadoop-01:8028] java.net.BindException: Cannot assign requested address; For more details see: http://wiki.apache.org/hadoop/BindException
at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:719)
at org.apache.hadoop.ipc.Server.bind(Server.java:422)
at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:534)
at org.apache.hadoop.ipc.Server.<init>(Server.java:2203)
at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:897)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:505)
at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:480)
at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:742)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.<init>(NameNodeRpcServer.java:273)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createRpcServer(NameNode.java:510)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:493)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:684)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:669)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1254)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320)
2014-01-25 10:56:51,406 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2014-01-25 10:56:51,412 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:
查找wiki说明，提示可能是由于端口被占用，但是通过排查没有发现该端口被占用，但是jps发现namenode一直没有启动。
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不知道坛子里面的谁能帮忙解决问题，弄了一天，还是找不到所以然。

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