hadoop2.7.0 动态添加节点，无法启动datanode和journnode

本帖最后由 jiangeng59 于 2016-2-29 21:19 编辑

新增节点是从之前的datanode01上拷贝过来的，hadoop环境一模一样，所有的节点hosts文件都已经配置完毕，NameNode的Slaves也添加了新增节点的hostname，免登陆ok
Zookeeper可以正常启动，但是运行 sbin/hadoop-daemon.sh start journalnode 却无法启动 journalnode

下面是log.out文件
[mw_shl_code=bash,true]Exception in thread "main" java.io.IOException: java.lang.RuntimeException: Could not resolve Kerberos principal name: java.net.UnknownHostException: instance07.novalocal: instance07.novalocal: unknown error
      at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:347)
      at org.apache.hadoop.http.HttpServer2.<init>(HttpServer2.java:114)
      at org.apache.hadoop.http.HttpServer2$Builder.build(HttpServer2.java:290)
      at org.apache.hadoop.hdfs.qjournal.server.JournalNodeHttpServer.start(JournalNodeHttpServer.java:64)
      at org.apache.hadoop.hdfs.qjournal.server.JournalNode.start(JournalNode.java:150)
      at org.apache.hadoop.hdfs.qjournal.server.JournalNode.run(JournalNode.java:126)
      at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
      at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
      at org.apache.hadoop.hdfs.qjournal.server.JournalNode.main(JournalNode.java:296)
Caused by: java.lang.RuntimeException: Could not resolve Kerberos principal name: java.net.UnknownHostException: instance07.novalocal: instance07.novalocal: unknown error
[/mw_shl_code]

同样datanode也无法启动，添加论坛里面这个 http://www.aboutyun.com/thread-12250-1-1.html
6 平衡节点  在131机的  cd  /home/bigdata/hadoop2.2/sbin
sh start-balancer.sh -threshold 5
也还是没有效果