hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jamie Cockrill <jamie.cockr...@gmail.com>
Subject Re: attempt to override final parameter
Date Mon, 13 Sep 2010 15:24:02 GMT
Hi Joe,

A copy of each is typically included in the hadoop jars (core i
think). Try unzipping them and having a look.

Ta

Jamie

On 13 September 2010 15:51, Joe Ciaramitaro
<joe.ciaramitaro.adsafe@gmail.com> wrote:
> I'm running 2 VirtualBox instances of CentOS 5.5 to practice a migration from hadoop
0.18.3 to 0.20.2
>
> Although the script I followed worked fine and I was able to migrate my filesystem to
the new version, whenever I run anything on the virtual cluster, even a simple "hadoop dfs
-ls", I get the following errors:
>
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.datanode.handler.count;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.datanode.du.reserved;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.name.dir;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.permissions;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.data.dir;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.replication;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.block.size;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: hdfs-default.xml:a attempt to override final
parameter: dfs.namenode.handler.count;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.job.tracker;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.job.tracker.handler.count;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.local.dir;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.reduce.tasks;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.jobtracker.taskScheduler;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.reduce.parallel.copies;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.tasktracker.map.tasks.maximum;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.tasktracker.reduce.tasks.maximum;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.child.java.opts;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.reduce.tasks.speculative.execution;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: tasktracker.http.threads;  Ignoring.
> 10/09/13 10:41:10 WARN conf.Configuration: mapred-default.xml:a attempt to override final
parameter: mapred.output.compression.type;  Ignoring.
>
> I understand what the message is saying, but I cannot find hdfs-default.xml or mapred-default.xml
anywhere on either machine.
>
> [hadoop@localhost conf]$ locate mapred-default.xml
> [hadoop@localhost conf]$ locate hdfs-default.xml
>
> Please help.
>
> -Joe

Mime
View raw message