Are you sure that is the right line? I do not see how that would cause an
exception, most probably a for loop on messages right after?
On Wed, Feb 13, 2013 at 12:04 PM, Maria Stylianou <mars...@gmail.com> wrote:
> Hey,
>
> I am trying to run the example SimpleMasterComputeVertex, but no matter
> which Input Format and graph I give, it doesn't work. Each worker gives the
> error:
>
> Caused by: java.lang.*NullPointerException*
> at
> org.apache.giraph.examples.*SimpleMasterComputeVertex.compute*(SimpleMasterComputeVertex.java:*42*)
>
> This line 42 is the first line of the compute()
> public void compute(Iterable<DoubleWritable> messages){
>
> So I guess, the initialization is not done correctly, because the input
> file does not have the correct format.
>
> Any help would be appreciated,
> Thanks!
> Maria
> --
> Maria Stylianou
> Intern at Telefonica, Barcelona, Spain
> Master Student of European Master in Distributed
> Computing<http://www.kth.se/en/studies/programmes/master/em/emdc>
> Universitat Politècnica de Catalunya - BarcelonaTech, Barcelona, Spain
> KTH Royal Institute of Technology, Stockholm, Sweden
>
>
--
Claudio Martella
claudio.marte...@gmail.com
