Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id E901F200B3C for ; Tue, 28 Jun 2016 02:10:03 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id E4BEE160A62; Tue, 28 Jun 2016 00:10:03 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 37DFA160A5B for ; Tue, 28 Jun 2016 02:10:03 +0200 (CEST) Received: (qmail 18684 invoked by uid 500); 28 Jun 2016 00:09:57 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 18648 invoked by uid 99); 28 Jun 2016 00:09:57 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 28 Jun 2016 00:09:57 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 19D9F2C1F5D for ; Tue, 28 Jun 2016 00:09:57 +0000 (UTC) Date: Tue, 28 Jun 2016 00:09:57 +0000 (UTC) From: "Yongjun Zhang (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-10396) Using -diff option with DistCp may get "Comparison method violates its general contract" exception MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 28 Jun 2016 00:10:04 -0000 [ https://issues.apache.org/jira/browse/HDFS-10396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Yongjun Zhang updated HDFS-10396: --------------------------------- Attachment: HDFS-10396.001.patch > Using -diff option with DistCp may get "Comparison method violates its general contract" exception > -------------------------------------------------------------------------------------------------- > > Key: HDFS-10396 > URL: https://issues.apache.org/jira/browse/HDFS-10396 > Project: Hadoop HDFS > Issue Type: Bug > Reporter: Yongjun Zhang > Assignee: Yongjun Zhang > Attachments: HDFS-10396.001.patch > > > Using -diff option get the following exception due to a bug in the comparison operator: > {code} > 16/04/21 14:34:18 WARN tools.DistCp: Failed to use snapshot diff for distcp > java.lang.IllegalArgumentException: Comparison method violates its general contract! > at java.util.TimSort.mergeHi(TimSort.java:868) > at java.util.TimSort.mergeAt(TimSort.java:485) > at java.util.TimSort.mergeForceCollapse(TimSort.java:426) > at java.util.TimSort.sort(TimSort.java:223) > at java.util.TimSort.sort(TimSort.java:173) > at java.util.Arrays.sort(Arrays.java:659) > at org.apache.hadoop.tools.DistCpSync.moveToTarget(DistCpSync.java:293) > at org.apache.hadoop.tools.DistCpSync.syncDiff(DistCpSync.java:261) > at org.apache.hadoop.tools.DistCpSync.sync(DistCpSync.java:131) > at org.apache.hadoop.tools.DistCp.execute(DistCp.java:163) > at org.apache.hadoop.tools.DistCp.run(DistCp.java:122) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) > at org.apache.hadoop.tools.DistCp.main(DistCp.java:432) > 16/04/21 14:34:18 ERROR tools.DistCp: Exception encountered > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org