I this should should give you some clue: > 14/09/21 13:34:03 WARN job.GiraphConfigurationValidator: Output format > vertex index type is not known > 14/09/21 13:34:03 WARN job.GiraphConfigurationValidator: Output format > vertex value type is not known > 14/09/21 13:34:03 WARN job.GiraphConfigurationValidator: Output format edge > value type is not known
At this point, what I would recommend though is to try the same experiment with our Giraph 1.1.0 RC0 available from the following URL: http://people.apache.org/~rvs/giraph-1.1.0-RC0/giraph-dist-1.1.0-bin.tar.gz Thanks, Roman.
