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From SingoWong <singoch...@gmail.com>
Subject Re: Got question after deploy hadoop-0.21.0
Date Fri, 15 Oct 2010 07:43:22 GMT
Hi,

The first issue was sloved, the second warring message still existing...

On Thu, Oct 14, 2010 at 5:03 PM, SingoWong <singochina@gmail.com> wrote:

> Hi,
>
> I got some question after deploy hadoop-0.21.0 need to help.
> There is a new deploy not update, and i execute start-hdfs.sh,
> start-mapred.sh, got the message in the log file below:
>
> 2010-10-14 16:59:55,354 INFO org.apache.hadoop.ipc.Server: IPC Server
> listener on 9000: readAndProcess threw exception java.io.IOException: Unable
> to read authentication method. Count of bytes read: 0
> java.io.IOException: Unable to read authentication method
>         at
> org.apache.hadoop.ipc.Server$Connection.readAndProcess(Server.java:1079)
>         at org.apache.hadoop.ipc.Server$Listener.doRead(Server.java:525)
>         at
> org.apache.hadoop.ipc.Server$Listener$Reader.run(Server.java:332)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
>         at java.lang.Thread.run(Thread.java:636)
>
>
> And i want to query dfs, got this message:
>
> [hadoop@HadoopNameSlave conf]$ /usr/local/hadoop/bin/hadoop fs -lsr
> hdfs://HadoopNameVIP:9000/
> 10/10/14 16:57:08 INFO security.Groups: Group mapping
> impl=org.apache.hadoop.security.ShellBasedUnixGroupsMapping;
> cacheTimeout=300000
> 10/10/14 16:57:09 WARN conf.Configuration: mapred.task.id is deprecated.
> Instead, use mapreduce.task.attempt.id
>
> Who can tell me what problem for these? is it the config issue?
>
> Thanks & Regards,
> Singo
>

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