Return-Path: X-Original-To: apmail-hive-dev-archive@www.apache.org Delivered-To: apmail-hive-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 29860108E3 for ; Tue, 23 Dec 2014 00:39:15 +0000 (UTC) Received: (qmail 28006 invoked by uid 500); 23 Dec 2014 00:39:14 -0000 Delivered-To: apmail-hive-dev-archive@hive.apache.org Received: (qmail 27888 invoked by uid 500); 23 Dec 2014 00:39:14 -0000 Mailing-List: contact dev-help@hive.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@hive.apache.org Delivered-To: mailing list dev@hive.apache.org Received: (qmail 27685 invoked by uid 500); 23 Dec 2014 00:39:14 -0000 Delivered-To: apmail-hadoop-hive-dev@hadoop.apache.org Received: (qmail 27656 invoked by uid 99); 23 Dec 2014 00:39:14 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 23 Dec 2014 00:39:14 +0000 Date: Tue, 23 Dec 2014 00:39:14 +0000 (UTC) From: "Navis (JIRA)" To: hive-dev@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HIVE-8613) percentile_approx raise a comparator error MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HIVE-8613?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:all-tabpanel ] Navis updated HIVE-8613: ------------------------ Attachment: HIVE-8613.3.patch.txt > percentile_approx raise a comparator error > ------------------------------------------ > > Key: HIVE-8613 > URL: https://issues.apache.org/jira/browse/HIVE-8613 > Project: Hive > Issue Type: Bug > Affects Versions: 0.12.0 > Reporter: Nicolas Lalev=C3=A9e > Assignee: Navis > Attachments: HIVE-8613.1.patch.txt, HIVE-8613.2.patch.txt, HIVE-8= 613.3.patch.txt > > > I have implemented an UADF which wrap around percentile_approx, and I hav= e been hit by the following stack trace: > {noformat} > Caused by: java.lang.IllegalArgumentException: Comparison method violates= its general contract! > =09at java.util.ComparableTimSort.mergeLo(ComparableTimSort.java:714) > =09at java.util.ComparableTimSort.mergeAt(ComparableTimSort.java:451) > =09at java.util.ComparableTimSort.mergeCollapse(ComparableTimSort.java:37= 6) > =09at java.util.ComparableTimSort.sort(ComparableTimSort.java:182) > =09at java.util.ComparableTimSort.sort(ComparableTimSort.java:146) > =09at java.util.Arrays.sort(Arrays.java:472) > =09at java.util.Collections.sort(Collections.java:155) > =09at org.apache.hadoop.hive.ql.udf.generic.NumericHistogram.merge(Numeri= cHistogram.java:161) > {noformat} > In my use case, with my special UADF, there were Double.NaN > Implementing a proper double comparaison with Double.compare in com.gooje= t.mapred.hive.udf.NumericHistogram.Coord.compareTo(Object) fixes it. -- This message was sent by Atlassian JIRA (v6.3.4#6332)