我已经使用 windows 上的 hartonworks msi 在我的机器上配置了 hadoop。当我运行run-somketest.cmd
我得到以下错误
java.net.ConnectException: Call to DEV144/192.168.137.1:8020 failed on connection exception: java.net.ConnectException: Connection refused: no further information
at org.apache.hadoop.ipc.Client.wrapException(Client.java:1147)
at org.apache.hadoop.ipc.Client.call(Client.java:1123)
at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:229)
at $Proxy2.getProtocolVersion(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:85)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:62)
at $Proxy2.getProtocolVersion(Unknown Source)
at org.apache.hadoop.ipc.RPC.checkVersion(RPC.java:422)
at org.apache.hadoop.hdfs.DFSClient.createNamenode(DFSClie
实际上出了什么问题以及如何克服它
谢谢大家