在伪分布式模式下配置hbase

Question

我试图在伪分布式模式下配置hbase。我尝试过很多教程，但是每次我在日志中看到这个错误

2014-04-29 16:47:47,029 WARN org.apache.hadoop.hbase.master.AssignmentManager: Failed assignment of -ROOT-,,0.70236052 to serverName=localhost,60020,1398804454531, load=(requests=0, regions=0, usedHeap=0, maxHeap=0), trying to assign elsewhere instead; retry=0
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed setting up proxy interface org.apache.hadoop.hbase.ipc.HRegionInterface to /127.0.0.1:60020 after attempts=1
    at org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:355)
    at org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHRegionConnection(HConnectionManager.java:969)
    at org.apache.hadoop.hbase.master.ServerManager.getServerConnection(ServerManager.java:620)
    at org.apache.hadoop.hbase.master.ServerManager.sendRegionOpen(ServerManager.java:555)
    at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:1043)
    at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:858)
    at org.apache.hadoop.hbase.master.AssignmentManager.assign(AssignmentManager.java:838)
    at org.apache.hadoop.hbase.master.AssignmentManager.assignRoot(AssignmentManager.java:1304)
    at org.apache.hadoop.hbase.master.HMaster.assignRootAndMeta(HMaster.java:431)
    at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:388)
    at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:282)
Caused by: java.net.ConnectException: Connection refused
    at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
    at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)
    at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
    at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404)
    at org.apache.hadoop.hbase.ipc.HBaseClient$Connection.setupIOstreams(HBaseClient.java:328)
    at org.apache.hadoop.hbase.ipc.HBaseClient.getConnection(HBaseClient.java:883)
    at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:750)
    at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257)
    at com.sun.proxy.$Proxy5.getProtocolVersion(Unknown Source)
    at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:419)
    at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:393)
    at org.apache.hadoop.hbase.ipc.HBaseRPC.getProxy(HBaseRPC.java:444)
    at org.apache.hadoop.hbase.ipc.HBaseRPC.waitForProxy(HBaseRPC.java:349)
    ... 10 more
2014-04-29 16:47:47,052 WARN org.apache.hadoop.hbase.master.AssignmentManager: Unable to find a viable location to assign region -ROOT-,,0.70236052

我尝试过以下解决方案

• 从/etc/host文件中删除127.0.1.1
• hbase-env.sh中IPV4的强迫

我的hbase-site.xml是这样的

<configuration>
      <property>
           <name>hbase.rootdir</name>
            <value>file:///home/freeswitch/TryNutch/hbase</value>
       </property>
       <property>
          <name>hbase.cluster.distributed</name>
          <value>true</value>
       </property>
      <property>
           <name>hbase.zookeeper.property.dataDir</name>
           <value>/home/freeswitch/TryNutch/zookeeper</value>
       </property>
</configuration>

谢谢你阅读这篇文章。

你的帮助是非常需要的。

Answer 1

首先，如果您打算在分布式模式下运行file:///home/freeswitch/TryNutch/hbase，请用适当的值替换HBase。我可以看到hbase.cluster.distributed设置为true。将其指向您的NameNode地址。有点像hdfs://localhost:9000/hbase。

另外，在hbase-site.xml文件中添加以下两个属性：

<property>
        <name>hbase.zookeeper.quorum</name>
        <value>localhost</value>
</property>
<property>
        <name>hbase.zookeeper.property.clientPort</name>
        <value>2181</value>
</property>

确保您的NameNode运行良好，并重新启动HBase守护进程。如果您仍然面临任何问题，请尝试遵循此链接。我曾试图详细解释这一程序。如果你还面临任何问题请告诉我。

HTH