hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jeff Zhang <zjf...@gmail.com>
Subject Re: Is there any way to add jar when invoking hadoop command
Date Wed, 23 Mar 2011 02:01:27 GMT
Actually I don't use the jar for mapreduce job. I only need it to display
sequence file.



On Wed, Mar 23, 2011 at 9:41 AM, James Seigel <james@tynt.com> wrote:

> Hello, some quick advice for you....
>
>
> which portion of your job needs the jar?  if answer = mapper or reducer,
> then add it to the -libjars flag.
>
> If it is in the job initiation..bundle it in your job jar for fun.
>
> Cheers
> James.
> On 2011-03-22, at 7:35 PM, Jeff Zhang wrote:
>
> > Another work around I can think of is that have my own copy of hadoop,
> and
> > copy extra jars to my hadoop. But it result into more maintenance effort
> >
> > On Wed, Mar 23, 2011 at 9:19 AM, Jeff Zhang <zjffdu@gmail.com> wrote:
> >
> >> Hi all,
> >>
> >> When I use command "hadoop fs -text" I need to add extra jar to
> CLASSPATH,
> >> because there's custom type in my sequence file. One way is that copying
> jar
> >> to $HADOOP_HOME/lib
> >> But in my case, I am not administrator, so I do not have the permission
> to
> >> copy files under $HADOOP_HOME/lib
> >>
> >> Is there any other ways to add extra jar to CLASSPATH ?
> >>
> >>
> >> --
> >> Best Regards
> >>
> >> Jeff Zhang
> >>
> >
> >
> >
> > --
> > Best Regards
> >
> > Jeff Zhang
>
>


-- 
Best Regards

Jeff Zhang

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message