From issues-return-153843-archive-asf-public=cust-asf.ponee.io@hive.apache.org Mon Mar 25 02:19:02 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id CD91418065B for ; Mon, 25 Mar 2019 03:19:01 +0100 (CET) Received: (qmail 5148 invoked by uid 500); 25 Mar 2019 02:19:00 -0000 Mailing-List: contact issues-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 issues@hive.apache.org Received: (qmail 5137 invoked by uid 99); 25 Mar 2019 02:19:00 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 25 Mar 2019 02:19:00 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 52CE2E0339 for ; Mon, 25 Mar 2019 02:19:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 0DF3224597 for ; Mon, 25 Mar 2019 02:19:00 +0000 (UTC) Date: Mon, 25 Mar 2019 02:19:00 +0000 (UTC) From: "Rui Li (JIRA)" To: issues@hive.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HIVE-21111) ConditionalTask cannot be cast to MapRedTask 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-21111?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D1680= 0361#comment-16800361 ]=20 Rui Li commented on HIVE-21111: ------------------------------- [~qunyan] glad to know it helps. Closing this one. > ConditionalTask cannot be cast to MapRedTask > -------------------------------------------- > > Key: HIVE-21111 > URL: https://issues.apache.org/jira/browse/HIVE-21111 > Project: Hive > Issue Type: Bug > Components: Physical Optimizer > Affects Versions: 2.1.1, 3.1.1, 2.3.4 > Reporter: zhuwei > Assignee: zhuwei > Priority: Major > Attachments: HIVE-21111.1.patch > > > We met=C2=A0error like this in our product environment: > java.lang.ClassCastException: org.apache.hadoop.hive.ql.exec.ConditionalT= ask cannot be cast to org.apache.hadoop.hive.ql.exec.mr.MapRedTask > at org.apache.hadoop.hive.ql.optimizer.physical.AbstractJoinTaskDispatche= r.dispatch(AbstractJoinTaskDispatcher.java:173) > =C2=A0 > There is a bug in function org.apache.hadoop.hive.ql.optimizer.physical.A= bstractJoinTaskDispatcher.dispatch: > if (tsk.isMapRedTask()) { > Task newTask =3D this.processCurrentTask((MapRed= Task) tsk, > ((ConditionalTask) currTask), physicalContext.getContext()); > walkerCtx.addToDispatchList(newTask); > } > In the above code,=C2=A0when tsk is instance of ConditionalTask,=C2=A0tsk= .isMapRedTask() still can be true, but it=C2=A0cannot be cast to=C2=A0MapRe= dTask. -- This message was sent by Atlassian JIRA (v7.6.3#76005)