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Hadoop, mail # user - Question about accessing another HDFS


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Re: Question about accessing another HDFS
Jay Vyas 2011-12-08, 22:51
Can you show your code here ?  What URL protocol are you using ?

On Thu, Dec 8, 2011 at 5:47 PM, Tom Melendez <[EMAIL PROTECTED]> wrote:

> I'm hoping there is a better answer, but I'm thinking you could load
> another configuration file (with B.company in it) using Configuration,
> grab a FileSystem obj with that and then go forward.  Seems like some
> unnecessary overhead though.
>
> Thanks,
>
> Tom
>
> On Thu, Dec 8, 2011 at 2:42 PM, Frank Astier <[EMAIL PROTECTED]>
> wrote:
> > Hi -
> >
> > We have two namenodes set up at our company, say:
> >
> > hdfs://A.mycompany.com
> > hdfs://B.mycompany.com
> >
> > From the command line, I can do:
> >
> > Hadoop fs –ls hdfs://A.mycompany.com//some-dir
> >
> > And
> >
> > Hadoop fs –ls hdfs://B.mycompany.com//some-other-dir
> >
> > I’m now trying to do the same from a Java program that uses the HDFS
> API. No luck there. I get an exception: “Wrong FS”.
> >
> > Any idea what I’m missing in my Java program??
> >
> > Thanks,
> >
> > Frank
>

--
Jay Vyas
MMSB/UCHC