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From xeon Mailinglist <xeonmailingl...@gmail.com>
Subject org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException
Date Wed, 08 Jan 2014 23:51:49 GMT
When I try to launch the namenode and the datanode in MRv2, the datanode
can't connect to the namenode, giving me the error below. I also put the
core-site file that I use below.

The Firewall in the hosts is disabled. I don't have excluded nodes defined.
Why the datanodes can't connect to the namenode?  Any help to solve this
problem?


org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.protocol.DisallowedDatanodeException):
Datanode denied communication with namenode: DatanodeRegistrati
on(0.0.0.0, storageID=DS-1449645935-172.16.1.10-50010-1389224474955,
infoPort=50075, ipcPort=50020,
storageInfo=lv=-40;cid=CID-9a8571a3-17ae-49b2-b957-b009e88b9f9a;nsid=9
34416283;c=0)
        at
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.registerDatanode(DatanodeManager.java:631)
        at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.registerDatanode(FSNamesystem.java:3398)
        at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.registerDatanode(NameNodeRpcServer.java:881)
        at
org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolServerSideTranslatorPB.registerDatanode(DatanodeProtocolServerSideTranslatorPB.java:90)
        at
org.apache.hadoop.hdfs.protocol.proto.DatanodeProtocolProtos$DatanodeProtocolService$2.callBlockingMethod(DatanodeProtocolProtos.java:18295)
        at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:454)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1014)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1741)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1737)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:416)
        at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1478)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1735)

        at org.apache.hadoop.ipc.Client.call(Client.java:1235)
        at
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:202)
        at com.sun.proxy.$Proxy9.registerDatanode(Unknown Source)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:622)
        at
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:164)
        at
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:83)
        at com.sun.proxy.$Proxy9.registerDatanode(Unknown Source)
        at
org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolClientSideTranslatorPB.registerDatanode(DatanodeProtocolClientSideTranslatorPB.java:146)
        at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.register(BPServiceActor.java:623)
        at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:225)
        at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:664)
        at java.lang.Thread.run(Thread.java:701)

I set the core-site.xml

<configuration>
  <property> <name>fs.default.name</name>
<value>hdfs://10.103.0.17:9000</value>
</property>
  <property> <name>hadoop.tmp.dir</name> <value>/tmp/hadoop-temp</value>
</property>

<property><name>hadoop.proxyuser.root.hosts</name><value>*</value></property>

<property><name>hadoop.proxyuser.root.groups</name><value>*</value></property>
</configuration>

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