Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 31C3917A79 for ; Sat, 9 May 2015 14:22:19 +0000 (UTC) Received: (qmail 59724 invoked by uid 500); 9 May 2015 14:22:18 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 59681 invoked by uid 500); 9 May 2015 14:22:18 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 59668 invoked by uid 99); 9 May 2015 14:22:18 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 09 May 2015 14:22:18 +0000 Date: Sat, 9 May 2015 14:22:18 +0000 (UTC) From: "Hudson (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-6842) "hadoop fs -text" does not give a useful text representation of MapWritable objects 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/HADOOP-6842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14536542#comment-14536542 ] Hudson commented on HADOOP-6842: -------------------------------- FAILURE: Integrated in Hadoop-Hdfs-trunk #2120 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2120/]) HADOOP-6842. "hadoop fs -text" does not give a useful text representation of MapWritable objects (evans: rev cc17c83585f581d56e7c42b91464cd7a99e8cf90) * hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/TestMapWritable.java * hadoop-common-project/hadoop-common/CHANGES.txt * hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/MapWritable.java > "hadoop fs -text" does not give a useful text representation of MapWritable objects > ----------------------------------------------------------------------------------- > > Key: HADOOP-6842 > URL: https://issues.apache.org/jira/browse/HADOOP-6842 > Project: Hadoop Common > Issue Type: Improvement > Components: io > Affects Versions: 0.20.0 > Reporter: Steven Wong > Assignee: Akira AJISAKA > Fix For: 3.0.0, 2.8.0 > > Attachments: HADOOP-6842.002.patch, HADOOP-6842.patch > > > If a sequence file contains MapWritable objects, running "hadoop fs -text" on the file prints the following for each MapWritable: > org.apache.hadoop.io.MapWritable@4f8235ed > To be more useful, it should print out the contents of the map instead. This can be done by adding a toString method to MapWritable, i.e. something like: > public String toString() { > return (new TreeMap(instance)).toString(); > } -- This message was sent by Atlassian JIRA (v6.3.4#6332)