Error register getProtocolVersion

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Error register getProtocolVersion

yibo820217

hi,
this,I config the hdfs,config
conf/masters,slaves,core-site.xml,hdfs-site.xml,mapred-site.xml, and
hadoop-env.sh
then I go to start hdfs using bin/hadoop start-all.sh
but I find the logs in namenode is like this:

....
009-10-23 10:10:31,071 INFO org.mortbay.log: Started
SelectChannelConnector@0.0.0.0:50070
2009-10-23 10:10:31,071 INFO
org.apache.hadoop.hdfs.server.namenode.NameNode: Web-server up at:
0.0.0.0:50070
2009-10-23 10:10:31,072 INFO org.apache.hadoop.ipc.Server: IPC Server
Responder: starting
2009-10-23 10:10:31,072 INFO org.apache.hadoop.ipc.Server: IPC Server
listener on 9000: starting
2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 0 on 9000: starting
2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 1 on 9000: starting
2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 2 on 9000: starting
2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 3 on 9000: starting
2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 4 on 9000: starting
2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 5 on 9000: starting
2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 6 on 9000: starting
2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 7 on 9000: starting
2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 8 on 9000: starting
2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
handler 9 on 9000: starting
2009-10-23 10:10:31,111 INFO org.apache.hadoop.ipc.Server: Error register
getProtocolVersion
java.lang.IllegalArgumentException: Duplicate metricsName:getProtocolVersion
        at
org.apache.hadoop.metrics.util.MetricsRegistry.add(MetricsRegistry.java:53)
        at
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>(MetricsTimeVaryingRate.java:89)
        at
org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>(MetricsTimeVaryingRate.java:99)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
....

and namenode,datanode,secondary namenode are all normal.


I don't know the reason, can anybody tell me?
Thanks!
--
View this message in context: http://www.nabble.com/Error-register-getProtocolVersion-tp26020226p26020226.html
Sent from the Hadoop core-user mailing list archive at Nabble.com.

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Re: Error register getProtocolVersion

Brian Bockelman
Hey,

Search the archives.  I think someone else (Tim Robertson maybe?) ran  
into this.

IIRC, it was a harmless message and the true error was elsewhere.

Brian

On Oct 22, 2009, at 9:55 PM, yibo820217 wrote:

>
> hi,
> this,I config the hdfs,config
> conf/masters,slaves,core-site.xml,hdfs-site.xml,mapred-site.xml, and
> hadoop-env.sh
> then I go to start hdfs using bin/hadoop start-all.sh
> but I find the logs in namenode is like this:
>
> ....
> 009-10-23 10:10:31,071 INFO org.mortbay.log: Started
> SelectChannelConnector@0.0.0.0:50070
> 2009-10-23 10:10:31,071 INFO
> org.apache.hadoop.hdfs.server.namenode.NameNode: Web-server up at:
> 0.0.0.0:50070
> 2009-10-23 10:10:31,072 INFO org.apache.hadoop.ipc.Server: IPC Server
> Responder: starting
> 2009-10-23 10:10:31,072 INFO org.apache.hadoop.ipc.Server: IPC Server
> listener on 9000: starting
> 2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 0 on 9000: starting
> 2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 1 on 9000: starting
> 2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 2 on 9000: starting
> 2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 3 on 9000: starting
> 2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 4 on 9000: starting
> 2009-10-23 10:10:31,074 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 5 on 9000: starting
> 2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 6 on 9000: starting
> 2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 7 on 9000: starting
> 2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 8 on 9000: starting
> 2009-10-23 10:10:31,075 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 9 on 9000: starting
> 2009-10-23 10:10:31,111 INFO org.apache.hadoop.ipc.Server: Error  
> register
> getProtocolVersion
> java.lang.IllegalArgumentException: Duplicate  
> metricsName:getProtocolVersion
>        at
> org.apache.hadoop.metrics.util.MetricsRegistry.add
> (MetricsRegistry.java:53)
>        at
> org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>
> (MetricsTimeVaryingRate.java:89)
>        at
> org.apache.hadoop.metrics.util.MetricsTimeVaryingRate.<init>
> (MetricsTimeVaryingRate.java:99)
>        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:523)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>        at java.security.AccessController.doPrivileged(Native Method)
>        at javax.security.auth.Subject.doAs(Subject.java:396)
>        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> ....
>
> and namenode,datanode,secondary namenode are all normal.
>
>
> I don't know the reason, can anybody tell me?
> Thanks!
> --
> View this message in context: http://www.nabble.com/Error-register-getProtocolVersion-tp26020226p26020226.html
> Sent from the Hadoop core-user mailing list archive at Nabble.com.


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