if so, punt it for next release ?? On Wed, Apr 1, 2015 at 1:25 PM, Andrew Palumbo (JIRA) <[email protected]> wrote:
> > [ > https://issues.apache.org/jira/browse/MAHOUT-1638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391025#comment-14391025 > ] > > Andrew Palumbo commented on MAHOUT-1638: > ---------------------------------------- > > I just got confirmation that this is in fact an h2o bug. > > > H2O bindings fail at drmParallelizeWithRowLabels(...) > > ----------------------------------------------------- > > > > Key: MAHOUT-1638 > > URL: https://issues.apache.org/jira/browse/MAHOUT-1638 > > Project: Mahout > > Issue Type: Bug > > Affects Versions: 0.10.0 > > Reporter: Andrew Palumbo > > Assignee: Andrew Palumbo > > Priority: Blocker > > Labels: DSL, h2o, scala > > Fix For: 0.10.0 > > > > > > The H2OHelper.drmFromMatrix(...) function fails when trying to write row > label String keys to a water.fvec.Vec.: > > {code:java} > > java.lang.IllegalArgumentException: Not a String > > at water.fvec.Chunk.set_impl(Chunk.java:507) > > at water.fvec.Chunk.set0(Chunk.java:469) > > at water.fvec.Chunk.set(Chunk.java:371) > > at water.fvec.Vec$Writer.set(Vec.java:803) > > at > org.apache.mahout.h2obindings.H2OHelper.drmFromMatrix(H2OHelper.java:331) > > at > org.apache.mahout.h2obindings.H2OEngine$.drmParallelizeWithRowLabels(H2OEngine.scala:83) > > at > org.apache.mahout.math.drm.package$.drmParallelizeWithRowLabels(package.scala:67) > > {code} > > This causes an exception when calling > drm.drmParallelizeWithRowLabels(...) > > To reproduce, apply [PR#72: Enable Naive Bayes Tests in h2o Module| > https://github.com/apache/mahout/pull/72] and run: > > {code} $ mvn test > > {code} > > from the h2o module: > > {code:java} > > - NB Aggregator *** FAILED *** > > java.lang.IllegalArgumentException: Not a String > > at water.fvec.Chunk.set_impl(Chunk.java:507) > > at water.fvec.Chunk.set0(Chunk.java:469) > > at water.fvec.Chunk.set(Chunk.java:371) > > at water.fvec.Vec$Writer.set(Vec.java:803) > > at > org.apache.mahout.h2obindings.H2OHelper.drmFromMatrix(H2OHelper.java:331) > > at > org.apache.mahout.h2obindings.H2OEngine$.drmParallelizeWithRowLabels(H2OEngine.scala:83) > > at > org.apache.mahout.math.drm.package$.drmParallelizeWithRowLabels(package.scala:67) > > at > org.apache.mahout.classifier.naivebayes.NBTestBase$$anonfun$2.apply$mcV$sp(NBTestBase.scala:91) > > at > org.apache.mahout.classifier.naivebayes.NBTestBase$$anonfun$2.apply(NBTestBase.scala:70) > > at > org.apache.mahout.classifier.naivebayes.NBTestBase$$anonfun$2.apply(NBTestBase.scala:70) > > ... > > {code} > > > > -- > This message was sent by Atlassian JIRA > (v6.3.4#6332) >
