Return-Path: X-Original-To: apmail-mahout-dev-archive@www.apache.org Delivered-To: apmail-mahout-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 1EAD4173F1 for ; Thu, 5 Mar 2015 23:37:39 +0000 (UTC) Received: (qmail 5016 invoked by uid 500); 5 Mar 2015 23:37:38 -0000 Delivered-To: apmail-mahout-dev-archive@mahout.apache.org Received: (qmail 4933 invoked by uid 500); 5 Mar 2015 23:37:38 -0000 Mailing-List: contact dev-help@mahout.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@mahout.apache.org Delivered-To: mailing list dev@mahout.apache.org Received: (qmail 4921 invoked by uid 99); 5 Mar 2015 23:37:38 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 05 Mar 2015 23:37:38 +0000 Date: Thu, 5 Mar 2015 23:37:38 +0000 (UTC) From: "Andrew Palumbo (JIRA)" To: dev@mahout.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (MAHOUT-1638) H2O bindings fail at drmParallelizeWithRowLabels(...) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/MAHOUT-1638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Andrew Palumbo updated MAHOUT-1638: ----------------------------------- Labels: DSL scala (was: ) > H2O bindings fail at drmParallelizeWithRowLabels(...) > ----------------------------------------------------- > > Key: MAHOUT-1638 > URL: https://issues.apache.org/jira/browse/MAHOUT-1638 > Project: Mahout > Issue Type: Bug > Affects Versions: 1.0 > Reporter: Andrew Palumbo > Labels: DSL, scala > Fix For: 1.0 > > > 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)