hadoop-mapreduce-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From rahul patodi <patodira...@gmail.com>
Subject Re: TaskTracker Error
Date Thu, 25 Nov 2010 05:24:03 GMT
also check your other file like /etc/hosts

On Thu, Nov 25, 2010 at 10:36 AM, rahul patodi <patodirahul@gmail.com>wrote:

> i think you should check your configuration file in the conf folder and add
> the required entry in
> core-site.xml, mapred-site.xml and hdfs-site.xml
> for pseudo distributed mode you can refer:
> http://hadoop-tutorial.blogspot.com/2010/11/running-hadoop-in-pseudo-distributed.html
> for distributed mode you can refer:
> http://hadoop-tutorial.blogspot.com/2010/11/running-hadoop-in-distributed-mode.html
>
>  if you are using cloudera you can refer:
> http://cloudera-tutorial.blogspot.com/
>
> if you have any problem please leave a comment
>
>
> --
> -Thanks and Regards,
> Rahul Patodi
> Associate Software Engineer,
> Impetus Infotech (India) Private Limited,
> www.impetus.com
> Mob:09907074413
>
> On Thu, Nov 25, 2010 at 10:23 AM, 祝美祺 <henhaozhumeiqi@gmail.com> wrote:
>
>> Hi ,
>>      i am using 0.20.2.. when i try to start hadoop,the namenode ,datanode
>> works will ,but i can't submit jobs.i look at the logs ,and find
>>  the error like:
>>
>> 2010-11-25 12:38:02,623 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 0 time(s).
>> 2010-11-25 12:38:03,626 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 1 time(s).
>> 2010-11-25 12:38:04,627 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 2 time(s).
>> 2010-11-25 12:38:05,629 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 3 time(s).
>> 2010-11-25 12:38:06,631 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 4 time(s).
>> 2010-11-25 12:38:07,636 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 5 time(s).
>> 2010-11-25 12:38:08,641 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 6 time(s).
>> 2010-11-25 12:38:09,644 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 7 time(s).
>> 2010-11-25 12:38:10,645 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 8 time(s).
>> 2010-11-25 12:38:11,649 INFO org.apache.hadoop.ipc.Client: Retrying
>> connect to server: localhost/127.0.0.1:9000. Already tried 9 time(s).
>> 2010-11-25 12:38:11,651 ERROR org.apache.hadoop.mapred.TaskTracker: Caught
>> exception: java.net.ConnectException: Call to localhost/127.0.0.1:9000failed on connection
exception: java.net.ConnectException: Connection
>> refused
>>  at org.apache.hadoop.ipc.Client.wrapException(Client.java:767)
>> at org.apache.hadoop.ipc.Client.call(Client.java:743)
>>  at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
>> at $Proxy5.getProtocolVersion(Unknown Source)
>>  at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:359)
>> at org.apache.hadoop.hdfs.DFSClient.createRPCNamenode(DFSClient.java:106)
>>  at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:207)
>> at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:170)
>>  at
>> org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:82)
>> at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378)
>>  at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66)
>> at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390)
>>  at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196)
>> at org.apache.hadoop.fs.Path.getFileSystem(Path.java:175)
>>  at
>> org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1033)
>> at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:1720)
>>  at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:2833)
>> Caused by: java.net.ConnectException: Connection refused
>> at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>>  at
>> sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:592)
>> at
>> org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)
>>  at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:404)
>> at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:304)
>>  at org.apache.hadoop.ipc.Client$Connection.access$1700(Client.java:176)
>> at org.apache.hadoop.ipc.Client.getConnection(Client.java:860)
>>  at org.apache.hadoop.ipc.Client.call(Client.java:720)
>> ... 15 more
>>
>> Who can tell me how to solve this problem?
>>
>>
>
>
>

Mime
View raw message