Call to localhost/127.0.0.1:9000 failed on connection exception:java.net.ConnectException
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今天启动自己编译好的的hadoop2.5.2[ubuntu12.04 x86],在执行hadoop dfsadmin -report之后遇到如下错误:
report: Call From java.net.UnknownHostException: ubuntu-larntin: ubuntu-larntin to localhost:9000 failed on connection exception: java.net.ConnectException: Connection refused;
然后到网上去找解决方案:
a)首先关闭全部已启动的服务;
b)执行bin/hdfs namenode -format;
c)/etc/hosts中不要有 ::1 的段,屏蔽掉;再重启试试;
我就是这样就解决了。
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