bin/hdfs getconf -secondaryNameNodes得不到配置信息

本帖最后由散落在云海于 2015-4-15 15:42 编辑

我是想在其他服务器上配置snn
在配置文件中配置了但是使用这个命令报错：Incorrect configuration: secondary namenode address dfs.namenode.secondary.http-address is not configured.

这是我的配置文件：
master的hdfs-site.xml：

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License. See accompanying LICENSE file.
-->

<!-- Put site-specific property overrides in this file. -->

<configuration>
        <property>
                <name>dfs.nameservices</name>
                <value>cluster1</value>
        </property>
        <property>
                <name>dfs.namenode.http-address</name>
                <value>master:50070</value>
        </property>
        <property>
                <name>dfs.namenode.secondary.http-address</name>
                <value>slave1:50090</value>
        </property>
        <property>
                <name>dfs.namenode.name.dir</name>
                <value>file:///usr/local/hadoop-2.6.0/tmp/dfs/name</value>
        </property>
        <property>
                <name>dfs.datanode.data.dir</name>
                <value>file:///usr/local/hadoop-2.6.0/tmp/dfs/data</value>
        </property>
        <property>
                <name>dfs.replication</name>
                <value>3</value>
        </property>
        <property>
                <name>dfs.webhdfs.enabled</name>
                <value>true</value>
        </property>
</configuration>
复制代码

slave1的hdfs-site.xml:

<configuration>
        <property>
                <name>dfs.nameservices</name>
                <value>cluster1</value>
        </property>
        <property>
                <name>dfs.namenode.http-address</name>
                <value>master:50070</value>
        </property>
        <property>
                <name>dfs.namenode.secondary.http-address</name>
                <value>slave1:50090</value>
        </property>
        <property>
                <name>dfs.namenode.name.dir</name>
                <value>file:///usr/local/hadoop-2.6.0/tmp/dfs/name</value>
        </property>
        <property>
                <name>dfs.datanode.data.dir</name>
                <value>file:///usr/local/hadoop-2.6.0/tmp/dfs/data</value>
        </property>
        <property>
                <name>dfs.replication</name>
                <value>3</value>
        </property>
        <property>
                <name>dfs.webhdfs.enabled</name>
                <value>true</value>
        </property>
</configuration>
复制代码

现在有两个问题：
1,在上面两台机器上使用bin/hdfs getconf -secondaryNameNodes都得不到配置信息。
2.在master上启动secondarynamenode会报错：
2015-04-13 18:54:31,884 FATAL org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode: Failed to start secondary namenode
java.net.BindException: Port in use: slave1:50090
at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:891)
at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:827)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.initialize(SecondaryNameNode.java:276)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.<init>(SecondaryNameNode.java:192)
at org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode.main(SecondaryNameNode.java:671)
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:444)
at sun.nio.ch.Net.bind(Net.java:436)
at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
at org.mortbay.jetty.nio.SelectChannelConnector.open(SelectChannelConnector.java:216)
at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:886)
... 4 more
端口占用，但是slave1上明明没有占用。而且如果在slave1上启动secondarynamenode的话就没有问题。
请问是什么原因？