Richard, You're using the DistributedLanczosSolver, and getting this exception? What are all of your command line args? It looks like this is a glitch in which numCols is not being set, and defaulting to MAX_VALUE.
-jake On Wed, Jul 14, 2010 at 10:32 PM, Richard Simon Just < [email protected]> wrote: > I'm not quite getting it. > > > org.apache.mahout.math.CardinalityException: Required cardinality > > 2147483647 but got 7 > > In the exception message the 2147483647 = Integer.MAX_VALUE, while the > 7 is what has been passed as --numCols to DistributedLanczosSolver. It > seems a little strange to pass 2147483647 as numCols. haha. Not to > mention the fact that doing so gives a nice OutOfMemoryError. > > >
