我正在尝试在Macbook上配置hadoop 0.23.8，并且在运行时出现以下异常
org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException: Datanode denied communication with namenode: 192.168.1.13:50010
at org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.registerDatanode(DatanodeManager.java:549)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.registerDatanode(FSNamesystem.java:2548)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.registerDatanode(NameNodeRpcServer.java:784)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:394)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1571)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1567)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:396)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1262)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1565)
我的core-site.xml看起来像这样
<configuration>
<property>
<name>dfs.federation.nameservices</name>
<value>ns1</value>
</property>
<property>
<name>dfs.namenode.rpc-address.ns1</name>
<value>192.168.1.13:54310</value>
</property>
<property>
<name>dfs.namenode.http-address.ns1</name>
<value>192.168.1.13:50070</value>
</property>
<property>
<name>dfs.namenode.secondary.http-address.ns1</name>
<value>192.168.1.13:50090</value>
</property>
</configuration>
对我可能做错的任何想法？
最佳答案
对我来说似乎是名称解析问题。可能的原因:
Machine is listed in the file defined by dfs.hosts.exclude
dfs.hosts is used and the machine is not listed within that file
另外，请确保您具有在主机文件中列出的计算机的IP +主机名。
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