Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
MapReduce, mail # user - Re: How can I compile and use my own hadoop?

Copy link to this message
Re: How can I compile and use my own hadoop?
Lance Norskog 2010-11-09, 07:42
I write simple driver classes and run them from Eclipse. It takes some
fiddling, so if you're not comfortable with that, running it from ant
is your best bet.

On Mon, Nov 8, 2010 at 9:48 PM, Harsh J <[EMAIL PROTECTED]> wrote:
> Hi,
> On Tue, Nov 9, 2010 at 5:12 AM, Shen LI <[EMAIL PROTECTED]> wrote:
>> Hi,
>> How can I compile and use my own hadoop? I modified some source code of
>> hadoop-0.20.2. Then, I tried to build it with eclipse according to this
>> tutorial "http://wiki.apache.org/hadoop/EclipseEnvironment". It was build
>> successfully. But when I checked the output in
>> ${Hadoop_HOME}/build/eclipse-classes, I am confused about how to use it? I
>> mean how can I start-all and run jobs with my hadoop?
>> Thanks,
>> Shen
> In the checked-out directory, use ant with the provided build.xml's
> "tar" target to generate a distributable tar package for yourself;
> i.e. issue: `ant tar` in the root directory of your MR checkout/clone.
> It should appear in the build/ directory. "jar" works for creating
> jars too.
> --
> Harsh J
> www.harshj.com

Lance Norskog