It was a version issue. All works good now. On Thu, Oct 14, 2010 at 8:57 AM, Joe Kumar <[email protected]> wrote:
> Team, > > When I was trying the reuters examples using lda (./bin/mahout lda -i > ./examples/bin/work/reuters-out-seqdir-sparse/tf-vectors -o > ./examples/bin/work/reuters-lda -k 20 -v 50000 -ow -x 20) > encountered the below exception. > > Exception in thread "main" java.lang.NullPointerException > at > org.apache.mahout.clustering.lda.LDADriver.runIteration(LDADriver.java:259) > at org.apache.mahout.clustering.lda.LDADriver.run(LDADriver.java:174) > at org.apache.mahout.clustering.lda.LDADriver.run(LDADriver.java:152) > at org.apache.mahout.clustering.lda.LDADriver.main(LDADriver.java:78) > > I've to run to office and so havent fully analyzed the issue but thought > i'll quickly post it incase someone is aware of the solution. > As far as i saw it looks like conf.set(STATE_IN_KEY, stateIn.toString()); > is throwing this NPE because object conf is null. > We are setting the conf object by calling getConf() > > If anyone is aware of this issue please share the details for fix. > > regards > Joe. >
