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From li ping <li.j...@gmail.com>
Subject Re: Retrying connect to server
Date Fri, 31 Dec 2010 02:04:43 GMT
make sure your /etc/hosts file contains the correct ip/hostname pair. This
is very important

2010/12/30 Cavus,M.,Fa. Post Direkt <M.Cavus@postdirekt.de>

> I process this
>
> ./hadoop jar ../../hadoopjar/hd.jar org.postdirekt.hadoop.WordCount
> gutenberg gutenberg-output
>
> I get this
> Dıd anyone know why I get this Error?
>
> 10/12/30 16:48:59 INFO security.Groups: Group mapping
> impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
> cacheTimeout=300000
> 10/12/30 16:49:01 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 0 time(s).
> 10/12/30 16:49:02 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 1 time(s).
> 10/12/30 16:49:03 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 2 time(s).
> 10/12/30 16:49:04 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 3 time(s).
> 10/12/30 16:49:05 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 4 time(s).
> 10/12/30 16:49:06 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 5 time(s).
> 10/12/30 16:49:07 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 6 time(s).
> 10/12/30 16:49:08 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 7 time(s).
> 10/12/30 16:49:09 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 8 time(s).
> 10/12/30 16:49:10 INFO ipc.Client: Retrying connect to server: localhost/
> 127.0.0.1:9001. Already tried 9 time(s).
> Exception in thread "main" java.net.ConnectException: Call to localhost/
> 127.0.0.1:9001 failed on connection exception: java.net.ConnectException:
> Connection refused
>        at org.apache.hadoop.ipc.Client.wrapException(Client.java:932)
>        at org.apache.hadoop.ipc.Client.call(Client.java:908)
>        at
> org.apache.hadoop.ipc.WritableRpcEngine$Invoker.invoke(WritableRpcEngine.java:198)
>        at $Proxy0.getProtocolVersion(Unknown Source)
>        at
> org.apache.hadoop.ipc.WritableRpcEngine.getProxy(WritableRpcEngine.java:228)
>        at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:224)
>        at
> org.apache.hadoop.mapreduce.Cluster.createRPCProxy(Cluster.java:82)
>        at org.apache.hadoop.mapreduce.Cluster.createClient(Cluster.java:94)
>        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:70)
>        at org.apache.hadoop.mapreduce.Job.<init>(Job.java:129)
>        at org.apache.hadoop.mapreduce.Job.<init>(Job.java:134)
>        at org.postdirekt.hadoop.WordCount.main(WordCount.java:19)
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at org.apache.hadoop.util.RunJar.main(RunJar.java:192)
> Caused by: java.net.ConnectException: Connection refused
>        at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>        at
> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:574)
>        at
> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
>        at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:373)
>        at
> org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:417)
>        at
> org.apache.hadoop.ipc.Client$Connection.access$1900(Client.java:207)
>        at org.apache.hadoop.ipc.Client.getConnection(Client.java:1025)
>        at org.apache.hadoop.ipc.Client.call(Client.java:885)
>        ... 15 more
>



-- 
-----李平

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